10.6

author: B Stack <bgstack15@gmail.com> 2018-11-13 06:58:56 -0500
committer: B Stack <bgstack15@gmail.com> 2018-11-13 06:58:56 -0500
commit: 076498028ff511afd88d93e7b0bf1d1a81093b3d (patch)
tree: 30bf08d782d58174a0ca212b2e4b172fabd9c42c
parent: Merge branch '10.5' into 'master' (diff)
download: FreeFileSync-076498028ff511afd88d93e7b0bf1d1a81093b3d.tar.gz
FreeFileSync-076498028ff511afd88d93e7b0bf1d1a81093b3d.tar.bz2
FreeFileSync-076498028ff511afd88d93e7b0bf1d1a81093b3d.zip
127 files changed, 5361 insertions, 3741 deletions
diff --git a/Changelog.txt b/Changelog.txt
index 004aca9d..185970a9 100755
--- a/Changelog.txt
+++ b/Changelog.txt
@@ -1,9 +1,31 @@
+FreeFileSync 10.6 [2018-11-12]
+------------------------------
+Detect and skip traversing folder path aliases 
+Report conflict when names differ only in Unicode normalization
+Unified 32 and 64 bit into single package (Linux)
+Notarized application package (macOS)
+Save configuration files in user-specific paths (Linux)
+Use XDG-style config file paths (Linux)
+Fixed (fake) intermittent hangs during comparison (Linux, macOS)
+Detect SMB mount points as separate devices (Linux)
+Consider /mnt subfolders as device root paths (Linux)
+Create missing default log folder upon first run
+Don't consider final status for error/warning count
+Discard invalid SFTP session after max channel determination
+Fixed main dialog position not being remembered (Linux)
+Fixed imprecise FTP times due to MLST parsing issue
+Fixed application menu not being localized (macOS)
+Fixed temp file name hitting file system length limitations
+Fixed fatal errors not being written to console (Debian Linux)
+Updated translation files
+
+
 FreeFileSync 10.5 [2018-10-11]
 ------------------------------
 New file matching algorithm considering Unicode normalization
 User-configurable timeout for FTP and SFTP connections
-Obsoleted old CHM manual in favor of PDF
 Ignore case sensitivity during filter matching (Linux)
+Obsoleted old CHM manual in favor of PDF
 Unicode-normalized and faster case-insensitive grid search
 New button to save current view filter settings as default
 Both slash and backslash can be used in filter expressions
diff --git a/FreeFileSync/Build/Languages/arabic.lng b/FreeFileSync/Build/Languages/arabic.lng
index 97143023..1d4f1ac1 100755
--- a/FreeFileSync/Build/Languages/arabic.lng
+++ b/FreeFileSync/Build/Languages/arabic.lng
@@ -164,6 +164,9 @@
 <source>Items differ in attributes only</source>
 <target>العناصر مختلفة في السمات فقط</target>
 
+<source>The name %x is used by more than one item in the folder.</source>
+<target>الاسم %x تم استخدامه اكثر من مرة فى نفس المجلد.</target>
+
 <source>Resolving symbolic link %x</source>
 <target>جاري حل المسار الرمزي %x</target>
 
@@ -191,9 +194,6 @@
 <source>File time tolerance</source>
 <target>التفاوت في وقت الملف</target>
 
-<source>Folder access timeout</source>
-<target>مهلة وصول المجلد</target>
-
 <source>Run with background priority</source>
 <target>تشغيل مع أولوية في الخلفية</target>
 
@@ -342,8 +342,11 @@
 <source>Update attributes on right</source>
 <target>تحديث السمات على اليسار</target>
 
-<source>Warning</source>
-<target>تحذير</target>
+<source>Errors:</source>
+<target>أخطاء:</target>
+
+<source>Warnings:</source>
+<target>تحذيرات:</target>
 
 <source>Items processed:</source>
 <target>معالجة العناصر:</target>
@@ -354,6 +357,9 @@
 <source>Total time:</source>
 <target>مجموع الوقت:</target>
 
+<source>Warning</source>
+<target>تحذير</target>
+
 <source>Stopped</source>
 <target>توقف</target>
 
@@ -363,6 +369,21 @@
 <source>Error parsing file %x, row %y, column %z.</source>
 <target>حدث خطأ أثناء تحليل الملف  %x، الصف  %y، و العمود  %z.</target>
 
+<source>Services</source>
+<target>خدمات</target>
+
+<source>Show All</source>
+<target>اظهر الكل</target>
+
+<source>Hide Others</source>
+<target>اخفاء الاخرين</target>
+
+<source>Hide %x</source>
+<target>اخفاء %x</target>
+
+<source>Quit %x</source>
+<target>الغاء %x</target>
+
 <source>Cannot set directory locks for the following folders:</source>
 <target>لا يمكن وضع قفل المسار للمجلدات الأتية:</target>
 
@@ -382,11 +403,11 @@
 <source>Cannot read directory %x.</source>
 <target>لا يمكن قراءة الدليل %x.</target>
 
-<source>/sec</source>
-<target>\ثانية</target>
+<source>%x/sec</source>
+<target>%x ثانية</target>
 
-<source>%x items/sec</source>
-<target>%x عنصر\الثانية</target>
+<source>%x items</source>
+<target>%x عناصر</target>
 
 <source>Show in Explorer</source>
 <target>إظهار في المستكشف</target>
@@ -535,11 +556,11 @@
 <source>Generating database...</source>
 <target>إنشاء قاعدة بيانات...</target>
 
-<source>Searching for excess file versions:</source>
-<target>البحث عن اصدارات الملف الزائدة:</target>
+<source>Searching for old file versions:</source>
+<target>البحث عن اصدارات قديمة للملف:</target>
 
-<source>Removing excess file versions:</source>
-<target>إزالة اصدارات الملف الزائدة:</target>
+<source>Removing old file versions:</source>
+<target>ازالة اصدارات قديمة للملف:</target>
 
 <source>Unable to create time stamp for versioning:</source>
 <target>تعذر إنشاء بصمة زمنية من أجل المفاضلة الزمنية:</target>
@@ -597,6 +618,24 @@ Actual: %y bytes
 <source>Unable to move %x to the recycle bin.</source>
 <target>تعذر نقل %x إلى سلة المحذوفات.</target>
 
+<source>Unable to access %x.</source>
+<target>لا يمكن الوصول إلى  %x.</target>
+
+<source>Authentication completed.</source>
+<target>نجحت المصادقة.</target>
+
+<source>Authentication failed.</source>
+<target>فشلت المصادقة.</target>
+
+<source>You may close this page now and continue with FreeFileSync.</source>
+<target>يمكنك غلق هذه الصفحة والاستمرار باستخدام FreeFileSync.</target>
+
+<source>The server returned an error:</source>
+<target>الخادم ارسل الخطأ:</target>
+
+<source>Cannot determine free disk space for %x.</source>
+<target>لا يمكن تحديد مساحة القرص الحرة لـ %x.</target>
+
 <source>Cannot find %x.</source>
 <target>لا يمكن العثور على %x.</target>
 
@@ -609,18 +648,12 @@ Actual: %y bytes
 <source>Cannot delete symbolic link %x.</source>
 <target>لا يمكن حذف الرابط الرمزي %x.</target>
 
-<source>Cannot determine free disk space for %x.</source>
-<target>لا يمكن تحديد مساحة القرص الحرة لـ %x.</target>
-
 <source>Incorrect command line:</source>
 <target>سطر أوامر خاطئ:</target>
 
 <source>The server does not support authentication via %x.</source>
 <target>لا يدعم الخادم المصادقة عبر %x.</target>
 
-<source>Unable to access %x.</source>
-<target>لا يمكن الوصول إلى  %x.</target>
-
 <source>
 <pluralform>Operation timed out after 1 second.</pluralform>
 <pluralform>Operation timed out after %x seconds.</pluralform>
@@ -653,28 +686,6 @@ Actual: %y bytes
 <source>Failed to open SFTP channel number %x.</source>
 <target>فشل فتح قناة SFTP رقم %x.</target>
 
-<source>
-<pluralform>1 byte</pluralform>
-<pluralform>%x bytes</pluralform>
-</source>
-<target>
-<pluralform>‎0 byte</pluralform>
-<pluralform>‎1 byte</pluralform>
-<pluralform>‎2 bytes</pluralform>
-<pluralform>‎%x bytes</pluralform>
-<pluralform>‎%x bytes</pluralform>
-<pluralform>‎%x bytes</pluralform>
-</target>
-
-<source>%x MB</source>
-<target>‎%x MB</target>
-
-<source>%x KB</source>
-<target>‎%x KB</target>
-
-<source>%x GB</source>
-<target>‎%x GB</target>
-
 <source>Drag && drop</source>
 <target>سحب و إفلات</target>
 
@@ -788,6 +799,28 @@ The command is triggered if:
 <source>&Retry</source>
 <target>إ&عادة المحاولة</target>
 
+<source>
+<pluralform>1 byte</pluralform>
+<pluralform>%x bytes</pluralform>
+</source>
+<target>
+<pluralform>‎0 byte</pluralform>
+<pluralform>‎1 byte</pluralform>
+<pluralform>‎2 bytes</pluralform>
+<pluralform>‎%x bytes</pluralform>
+<pluralform>‎%x bytes</pluralform>
+<pluralform>‎%x bytes</pluralform>
+</target>
+
+<source>%x MB</source>
+<target>‎%x MB</target>
+
+<source>%x KB</source>
+<target>‎%x KB</target>
+
+<source>%x GB</source>
+<target>‎%x GB</target>
+
 <source>Loading...</source>
 <target>تحميل...</target>
 
@@ -937,7 +970,7 @@ The command is triggered if:
 <target>&حفظ كمهمة دفعية...</target>
 
 <source>Show &log</source>
-<target></target>
+<target>أظهر &السجل</target>
 
 <source>Start &comparison</source>
 <target>بدأ الم&قارنة</target>
@@ -999,9 +1032,6 @@ The command is triggered if:
 <source>Access online storage</source>
 <target>الوصول إلى التخزين عبر الإنترنت</target>
 
-<source>Swap sides</source>
-<target>مبادلة الجانبين</target>
-
 <source>Close search bar</source>
 <target>إغلاق شريط البحث</target>
 
@@ -1026,6 +1056,9 @@ The command is triggered if:
 <source>View type:</source>
 <target>عرض النوع:</target>
 
+<source>Save as default</source>
+<target>حفظ كافتراضي</target>
+
 <source>Select view:</source>
 <target>اختيار نمط العرض:</target>
 
@@ -1083,6 +1116,15 @@ The command is triggered if:
 <source>Handle daylight saving time</source>
 <target>تعامل مع التوقيت الصيفي</target>
 
+<source>Ignore errors</source>
+<target>تجاهل الأخطاء</target>
+
+<source>Retry count:</source>
+<target>تعداد محاولات الإعادة:</target>
+
+<source>Delay (in seconds):</source>
+<target>التأخير (بالثواني):</target>
+
 <source>Performance improvements:</source>
 <target>تحسينات الأداء:</target>
 
@@ -1157,17 +1199,11 @@ The command is triggered if:
 <source>Last x days:</source>
 <target>اخر x أيام:</target>
 
-<source>Ignore errors</source>
-<target>تجاهل الأخطاء</target>
+<source>&Override default log path:</source>
+<target>&تجاوز المسار الافتراضى للسجل:</target>
 
-<source>Retry count:</source>
-<target>تعداد محاولات الإعادة:</target>
-
-<source>Delay (in seconds):</source>
-<target>التأخير (بالثواني):</target>
-
-<source>Run a command after synchronization:</source>
-<target>تشغيل أمر بعد المزامنة:</target>
+<source>Run a command:</source>
+<target>تشغيل الأمر:</target>
 
 <source>OK</source>
 <target>موافق</target>
@@ -1217,6 +1253,9 @@ The command is triggered if:
 <source>Directory on server:</source>
 <target>المسار على الخادم:</target>
 
+<source>Access timeout (in seconds):</source>
+<target>أقصى زمن للوصول(ثانية):</target>
+
 <source>SFTP channels per connection:</source>
 <target>قنوات SFTP لكل اتصال:</target>
 
@@ -1295,12 +1334,6 @@ The command is triggered if:
 <source>Stop synchronization at first error</source>
 <target>إحباط المزامنة عند أول خطأ</target>
 
-<source>Save log:</source>
-<target>حفظ السجل:</target>
-
-<source>Limit number of log files:</source>
-<target>حد عدد ملفات السجل:</target>
-
 <source>How can I schedule a batch job?</source>
 <target>كيف يمكنني جدولة مهمة دفعية؟</target>
 
@@ -1337,8 +1370,11 @@ This guarantees a consistent state even in case of a serious error.
 <source>Show all permanently hidden dialogs and warning messages again</source>
 <target>إعادة إظهار جميع التنبهات و نوافذ الحوار التي تم إخفاؤها</target>
 
-<source>Remove old log files after x days:</source>
-<target></target>
+<source>Default log path:</source>
+<target>المسار الافتراضى للسجل:</target>
+
+<source>&Delete logs after x days:</source>
+<target>&ازالة السجلات بعد x يوم:</target>
 
 <source>Customize context menu:</source>
 <target>تخصيص القائمة المحلية:</target>
@@ -1349,8 +1385,8 @@ This guarantees a consistent state even in case of a serious error.
 <source>&Default</source>
 <target>الا&فتراضي</target>
 
-<source>Feedback and suggestions are welcome</source>
-<target>التعليقات و الاقتراحات موضع ترحيب</target>
+<source>Feedback and suggestions are welcome:</source>
+<target>ردود الفعل والاقتراحات مرحب بها:</target>
 
 <source>Home page</source>
 <target>الصفحة الرئيسية</target>
@@ -1376,8 +1412,8 @@ This guarantees a consistent state even in case of a serious error.
 <source>Source code written in C++ using:</source>
 <target>الرماز المصدري مكتوب بلغة C++‎ باستخدام:</target>
 
-<source>Published under the GNU General Public License</source>
-<target>نشر تحت رخصة GNU General Public License</target>
+<source>Published under the GNU General Public License:</source>
+<target>نشر باستخدام رخصة جنو العمومية العامة:</target>
 
 <source>Many thanks for localization:</source>
 <target>شكرا جزيلا للترجمة:</target>
@@ -1434,7 +1470,7 @@ This guarantees a consistent state even in case of a serious error.
 <target>معلومات</target>
 
 <source>No log entries</source>
-<target></target>
+<target>لا يوجد سجلات</target>
 
 <source>Select all</source>
 <target>اختيار الجميع</target>
@@ -1460,6 +1496,9 @@ This guarantees a consistent state even in case of a serious error.
 <source>Overview</source>
 <target>نظرة عامة</target>
 
+<source>Swap sides</source>
+<target>مبادلة الجانبين</target>
+
 <source>Show "%x"</source>
 <target>إظهار "%x"</target>
 
@@ -1650,9 +1689,6 @@ This guarantees a consistent state even in case of a serious error.
 <source>Show filtered or temporarily excluded files</source>
 <target>إظهار الملفات التي تم فلترتها أو استبعادها بشكل مؤقت</target>
 
-<source>Save as default</source>
-<target>حفظ كافتراضي</target>
-
 <source>Filter</source>
 <target>عامل الفلترة</target>
 
@@ -2018,12 +2054,6 @@ This guarantees a consistent state even in case of a serious error.
 <source>Checking recycle bin failed for folder %x.</source>
 <target>فشل تصفح سلة المهملات من أجل الملف %x.</target>
 
-<source>The following XML elements could not be read:</source>
-<target>عناصر XML التالية لا يمكن قراءتها:</target>
-
-<source>Configuration file %x is incomplete. The missing elements will be set to their default values.</source>
-<target>ملف التكوين %x غير مكتمل. سيتم إعادة تعيين العناصر المفقودة إلى قيمها الافتراضية.</target>
-
 <source>Prepare installation</source>
 <target>الاستعداد للتثبيت</target>
 
diff --git a/FreeFileSync/Build/Languages/bulgarian.lng b/FreeFileSync/Build/Languages/bulgarian.lng
index 935fa43f..6334a693 100755
--- a/FreeFileSync/Build/Languages/bulgarian.lng
+++ b/FreeFileSync/Build/Languages/bulgarian.lng
@@ -155,11 +155,14 @@
 <target>Размер:</target>
 
 <source>Content comparison was skipped for excluded files.</source>
-<target>Сравняването на съдържанието е прескочено за изключените файлове.</target>
+<target>Сравняването на съдържание се прескача за изключените файлове.</target>
 
 <source>Items differ in attributes only</source>
 <target>Елементите се различават само по атрибути</target>
 
+<source>The name %x is used by more than one item in the folder.</source>
+<target>Името %x се използва от повече от един елемент в папката.</target>
+
 <source>Resolving symbolic link %x</source>
 <target>Проследява символна връзка %x</target>
 
@@ -187,9 +190,6 @@
 <source>File time tolerance</source>
 <target>Толеранс на файловото време</target>
 
-<source>Folder access timeout</source>
-<target>Време за достъп до папката</target>
-
 <source>Run with background priority</source>
 <target>Изпълнявай с фонов приоритет</target>
 
@@ -334,8 +334,11 @@
 <source>Update attributes on right</source>
 <target>Актуализирай атрибутите на десния елемент</target>
 
-<source>Warning</source>
-<target>Предупреждение</target>
+<source>Errors:</source>
+<target>Грешки:</target>
+
+<source>Warnings:</source>
+<target>Предупреждения:</target>
 
 <source>Items processed:</source>
 <target>Обработени елементи:</target>
@@ -346,6 +349,9 @@
 <source>Total time:</source>
 <target>Общо време:</target>
 
+<source>Warning</source>
+<target>Предупреждение</target>
+
 <source>Stopped</source>
 <target>Спряно</target>
 
@@ -355,6 +361,21 @@
 <source>Error parsing file %x, row %y, column %z.</source>
 <target>Грешка при анализ на файл %x, ред %y, колона %z.</target>
 
+<source>Services</source>
+<target>Услуги</target>
+
+<source>Show All</source>
+<target>Покажи всички</target>
+
+<source>Hide Others</source>
+<target>Скрий другите</target>
+
+<source>Hide %x</source>
+<target>Скрий %x</target>
+
+<source>Quit %x</source>
+<target>Край на %x</target>
+
 <source>Cannot set directory locks for the following folders:</source>
 <target>Не може да заключи директориите за следните папки:</target>
 
@@ -370,17 +391,17 @@
 <source>Cannot read directory %x.</source>
 <target>Не може да прочете директория %x.</target>
 
-<source>/sec</source>
-<target>/сек.</target>
+<source>%x/sec</source>
+<target>%x/сек.</target>
 
-<source>%x items/sec</source>
-<target>%x елем./сек.</target>
+<source>%x items</source>
+<target>%x елемента</target>
 
 <source>Show in Explorer</source>
 <target>Покажи в Експлорера</target>
 
 <source>Open with default application</source>
-<target>Отвори с приложение по подразбиране</target>
+<target>Отвори с подразбираното приложение</target>
 
 <source>Browse directory</source>
 <target>Преглед на директорията</target>
@@ -523,11 +544,11 @@
 <source>Generating database...</source>
 <target>Създава база данни...</target>
 
-<source>Searching for excess file versions:</source>
-<target>Търси излишни файлови версии:</target>
+<source>Searching for old file versions:</source>
+<target>Търси стари версии на файлове:</target>
 
-<source>Removing excess file versions:</source>
-<target>Премахва излишни файлови версии:</target>
+<source>Removing old file versions:</source>
+<target>Премахва стари версии на файлове:</target>
 
 <source>Unable to create time stamp for versioning:</source>
 <target>Не може да маркира времето на версиите:</target>
@@ -585,6 +606,24 @@ Actual: %y bytes
 <source>Unable to move %x to the recycle bin.</source>
 <target>Не може да премести %x в кошчето.</target>
 
+<source>Unable to access %x.</source>
+<target>Няма достъп до %x.</target>
+
+<source>Authentication completed.</source>
+<target>Аутентификацията приключи.</target>
+
+<source>Authentication failed.</source>
+<target>Аутентификацията неуспешна.</target>
+
+<source>You may close this page now and continue with FreeFileSync.</source>
+<target>Може да затворите тази страница и да продължите с FreeFileSync.</target>
+
+<source>The server returned an error:</source>
+<target>Сървърът връща грешка:</target>
+
+<source>Cannot determine free disk space for %x.</source>
+<target>Не може да определи свободното дисково пространство за %x.</target>
+
 <source>Cannot find %x.</source>
 <target>Не е намерен %x.</target>
 
@@ -597,18 +636,12 @@ Actual: %y bytes
 <source>Cannot delete symbolic link %x.</source>
 <target>Не може да изтрие символната връзка %x.</target>
 
-<source>Cannot determine free disk space for %x.</source>
-<target>Не може да определи свободното дисково пространство за %x.</target>
-
 <source>Incorrect command line:</source>
 <target>Невалиден команден ред:</target>
 
 <source>The server does not support authentication via %x.</source>
 <target>Сървърът не поддържа идентификация чрез %x.</target>
 
-<source>Unable to access %x.</source>
-<target>Няма достъп до %x.</target>
-
 <source>
 <pluralform>Operation timed out after 1 second.</pluralform>
 <pluralform>Operation timed out after %x seconds.</pluralform>
@@ -633,24 +666,6 @@ Actual: %y bytes
 <source>Failed to open SFTP channel number %x.</source>
 <target>Не може да отвори SFTP-канал номер %x.</target>
 
-<source>
-<pluralform>1 byte</pluralform>
-<pluralform>%x bytes</pluralform>
-</source>
-<target>
-<pluralform>1 байт</pluralform>
-<pluralform>%x байта</pluralform>
-</target>
-
-<source>%x MB</source>
-<target>%x МБ</target>
-
-<source>%x KB</source>
-<target>%x КБ</target>
-
-<source>%x GB</source>
-<target>%x ГБ</target>
-
 <source>Drag && drop</source>
 <target>Влачете и пуснете</target>
 
@@ -764,6 +779,24 @@ The command is triggered if:
 <source>&Retry</source>
 <target>&Повтори</target>
 
+<source>
+<pluralform>1 byte</pluralform>
+<pluralform>%x bytes</pluralform>
+</source>
+<target>
+<pluralform>1 байт</pluralform>
+<pluralform>%x байта</pluralform>
+</target>
+
+<source>%x MB</source>
+<target>%x МБ</target>
+
+<source>%x KB</source>
+<target>%x КБ</target>
+
+<source>%x GB</source>
+<target>%x ГБ</target>
+
 <source>Loading...</source>
 <target>Зареждане...</target>
 
@@ -909,7 +942,7 @@ The command is triggered if:
 <target>Запази &като пакетна задача...</target>
 
 <source>Show &log</source>
-<target></target>
+<target>Покажи &log</target>
 
 <source>Start &comparison</source>
 <target>Почни &сравняване</target>
@@ -921,10 +954,10 @@ The command is triggered if:
 <target>Настройки на &филтъра</target>
 
 <source>S&ynchronization settings</source>
-<target>Настройки на с&инхронизиране</target>
+<target>Настройки на с&инхронизация</target>
 
 <source>Start &synchronization</source>
-<target>Почни &синхронизиране</target>
+<target>Почни &синхронизация</target>
 
 <source>&Actions</source>
 <target>&Действия</target>
@@ -951,7 +984,7 @@ The command is triggered if:
 <target>&Провери за обновления сега</target>
 
 <source>Check &automatically once a week</source>
-<target>Провери автоматично &ежеседмично</target>
+<target>Проверявай автоматично &ежеседмично</target>
 
 <source>Cancel</source>
 <target>Отказ</target>
@@ -969,10 +1002,7 @@ The command is triggered if:
 <target>Отнеми двойка папки</target>
 
 <source>Access online storage</source>
-<target>Достъп до онлайн-запазване</target>
-
-<source>Swap sides</source>
-<target>Размени страните</target>
+<target>Достъп до онлайн-съхранение</target>
 
 <source>Close search bar</source>
 <target>Затвори полето за търсене</target>
@@ -998,8 +1028,11 @@ The command is triggered if:
 <source>View type:</source>
 <target>Тип изглед:</target>
 
+<source>Save as default</source>
+<target>Запази като подразбирано</target>
+
 <source>Select view:</source>
-<target>Избери изглед:</target>
+<target>Изберете изглед:</target>
 
 <source>Statistics:</source>
 <target>Статистика:</target>
@@ -1055,6 +1088,15 @@ The command is triggered if:
 <source>Handle daylight saving time</source>
 <target>Отчети лятното време</target>
 
+<source>Ignore errors</source>
+<target>Игнорирай грешките</target>
+
+<source>Retry count:</source>
+<target>Брой повторения:</target>
+
+<source>Delay (in seconds):</source>
+<target>Задръжка (сек.):</target>
+
 <source>Performance improvements:</source>
 <target>Подобряване на производителността:</target>
 
@@ -1129,17 +1171,11 @@ The command is triggered if:
 <source>Last x days:</source>
 <target>Последните x дни:</target>
 
-<source>Ignore errors</source>
-<target>Игнорирай грешките</target>
-
-<source>Retry count:</source>
-<target>Брой повторения:</target>
-
-<source>Delay (in seconds):</source>
-<target>Задръжка (сек.):</target>
+<source>&Override default log path:</source>
+<target>&Замени подразбирания log-път:</target>
 
-<source>Run a command after synchronization:</source>
-<target>След синхронизация изпълни команда:</target>
+<source>Run a command:</source>
+<target>Изпълни команда:</target>
 
 <source>OK</source>
 <target>ОК</target>
@@ -1189,6 +1225,9 @@ The command is triggered if:
 <source>Directory on server:</source>
 <target>Директория на сървъра:</target>
 
+<source>Access timeout (in seconds):</source>
+<target>Време за достъп (в секунди):</target>
+
 <source>SFTP channels per connection:</source>
 <target>SFTP-канали на връзка:</target>
 
@@ -1267,12 +1306,6 @@ The command is triggered if:
 <source>Stop synchronization at first error</source>
 <target>Спри синхронизацията при първа грешка</target>
 
-<source>Save log:</source>
-<target>Запази протокол:</target>
-
-<source>Limit number of log files:</source>
-<target>Ограничи броя протоколни файлове:</target>
-
 <source>How can I schedule a batch job?</source>
 <target>Как да планирам пакетна задача?</target>
 
@@ -1309,8 +1342,11 @@ This guarantees a consistent state even in case of a serious error.
 <source>Show all permanently hidden dialogs and warning messages again</source>
 <target>Покажи всички постоянно скрити диалози и предупреждения отново</target>
 
-<source>Remove old log files after x days:</source>
-<target></target>
+<source>Default log path:</source>
+<target>Подразбиран log-път:</target>
+
+<source>&Delete logs after x days:</source>
+<target>&Изтрий протоколите след x дни:</target>
 
 <source>Customize context menu:</source>
 <target>Настрой контекстното меню:</target>
@@ -1321,8 +1357,8 @@ This guarantees a consistent state even in case of a serious error.
 <source>&Default</source>
 <target>&По подразбиране</target>
 
-<source>Feedback and suggestions are welcome</source>
-<target>Забележки и предложения са добре дошли</target>
+<source>Feedback and suggestions are welcome:</source>
+<target>Отзиви и предложения са добре дошли:</target>
 
 <source>Home page</source>
 <target>Домашна страница</target>
@@ -1348,8 +1384,8 @@ This guarantees a consistent state even in case of a serious error.
 <source>Source code written in C++ using:</source>
 <target>Изходния код е написан на C++ със:</target>
 
-<source>Published under the GNU General Public License</source>
-<target>Публикува се по лиценза GNU General Public License</target>
+<source>Published under the GNU General Public License:</source>
+<target>Публикуван под GNU General Public License:</target>
 
 <source>Many thanks for localization:</source>
 <target>Благодарност за локализацията:</target>
@@ -1358,7 +1394,7 @@ This guarantees a consistent state even in case of a serious error.
 <target>Активирайте дарителско издание на FreeFileSync по един от следните методи:</target>
 
 <source>1. Activate via internet now:</source>
-<target>1. Активиране по Интернет:</target>
+<target>1. Активирайте по Интернет сега:</target>
 
 <source>Activate online</source>
 <target>Активирайте онлайн</target>
@@ -1406,7 +1442,7 @@ This guarantees a consistent state even in case of a serious error.
 <target>Информация</target>
 
 <source>No log entries</source>
-<target></target>
+<target>Няма log-записи</target>
 
 <source>Select all</source>
 <target>Маркирай всичко</target>
@@ -1432,6 +1468,9 @@ This guarantees a consistent state even in case of a serious error.
 <source>Overview</source>
 <target>Преглед</target>
 
+<source>Swap sides</source>
+<target>Размени страните</target>
+
 <source>Show "%x"</source>
 <target>Покажи "%x"</target>
 
@@ -1606,9 +1645,6 @@ This guarantees a consistent state even in case of a serious error.
 <source>Show filtered or temporarily excluded files</source>
 <target>Покажи филтрираните или временно изключени файлове</target>
 
-<source>Save as default</source>
-<target>Запази като подразбирано</target>
-
 <source>Filter</source>
 <target>Филтър</target>
 
@@ -1954,12 +1990,6 @@ This guarantees a consistent state even in case of a serious error.
 <source>Checking recycle bin failed for folder %x.</source>
 <target>Неуспешна проверка на кошчето за папка %x.</target>
 
-<source>The following XML elements could not be read:</source>
-<target>Не могат да се прочетат следните XML-елементи:</target>
-
-<source>Configuration file %x is incomplete. The missing elements will be set to their default values.</source>
-<target>Конфигурационният файл %x е непълен. Ще бъдат зададени подразбирани стойности за липсващите елементи.</target>
-
 <source>Prepare installation</source>
 <target>Подготовка за инсталиране</target>
 
diff --git a/FreeFileSync/Build/Languages/chinese_simple.lng b/FreeFileSync/Build/Languages/chinese_simple.lng
index a4350d39..5716cb9a 100755
--- a/FreeFileSync/Build/Languages/chinese_simple.lng
+++ b/FreeFileSync/Build/Languages/chinese_simple.lng
@@ -159,6 +159,9 @@
 <source>Items differ in attributes only</source>
 <target>项目仅是文件属性不同</target>
 
+<source>The name %x is used by more than one item in the folder.</source>
+<target>%x 此名称在文件夹中被一个以上的项目所使用.</target>
+
 <source>Resolving symbolic link %x</source>
 <target>正在解决符号连接 %x</target>
 
@@ -186,9 +189,6 @@
 <source>File time tolerance</source>
 <target>文件时间容差</target>
 
-<source>Folder access timeout</source>
-<target>文件夹访问超时</target>
-
 <source>Run with background priority</source>
 <target>以后台优先级运行</target>
 
@@ -332,8 +332,11 @@
 <source>Update attributes on right</source>
 <target>更新右侧的文件属性</target>
 
-<source>Warning</source>
-<target>警告</target>
+<source>Errors:</source>
+<target>错误:</target>
+
+<source>Warnings:</source>
+<target>警告:</target>
 
 <source>Items processed:</source>
 <target>已处理的项目:</target>
@@ -344,6 +347,9 @@
 <source>Total time:</source>
 <target>总共时间:</target>
 
+<source>Warning</source>
+<target>警告</target>
+
 <source>Stopped</source>
 <target>已停止</target>
 
@@ -353,6 +359,21 @@
 <source>Error parsing file %x, row %y, column %z.</source>
 <target>当分析文件 %x , 行 %y, 列 %z 时出错.</target>
 
+<source>Services</source>
+<target>服务</target>
+
+<source>Show All</source>
+<target>显示所有</target>
+
+<source>Hide Others</source>
+<target>隐藏其他</target>
+
+<source>Hide %x</source>
+<target>隐藏 %x</target>
+
+<source>Quit %x</source>
+<target>退出 %x</target>
+
 <source>Cannot set directory locks for the following folders:</source>
 <target>无法为如下文件夹设置 目录锁定:</target>
 
@@ -367,11 +388,11 @@
 <source>Cannot read directory %x.</source>
 <target>无法读取目录 %x.</target>
 
-<source>/sec</source>
-<target>/秒</target>
+<source>%x/sec</source>
+<target>%x/秒</target>
 
-<source>%x items/sec</source>
-<target>%x 个项目/秒</target>
+<source>%x items</source>
+<target>%x 个项目</target>
 
 <source>Show in Explorer</source>
 <target>在Explorer中显示</target>
@@ -520,11 +541,11 @@
 <source>Generating database...</source>
 <target>正在生成数据库...</target>
 
-<source>Searching for excess file versions:</source>
-<target>正在搜索多余的文件版本:</target>
+<source>Searching for old file versions:</source>
+<target>正在搜索旧的文件版本:</target>
 
-<source>Removing excess file versions:</source>
-<target>正在删除多余的文件版本:</target>
+<source>Removing old file versions:</source>
+<target>正在移除旧的文件版本:</target>
 
 <source>Unable to create time stamp for versioning:</source>
 <target>无法为历史版本创建时间戳:</target>
@@ -582,6 +603,24 @@ Actual: %y bytes
 <source>Unable to move %x to the recycle bin.</source>
 <target>无法将 %x 移动到回收站.</target>
 
+<source>Unable to access %x.</source>
+<target>无法访问 %x.</target>
+
+<source>Authentication completed.</source>
+<target>验证完成.</target>
+
+<source>Authentication failed.</source>
+<target>验证失败.</target>
+
+<source>You may close this page now and continue with FreeFileSync.</source>
+<target>你可以现在关闭本页面并继续使用 FreeFileSync.</target>
+
+<source>The server returned an error:</source>
+<target>服务器返回一个错误:</target>
+
+<source>Cannot determine free disk space for %x.</source>
+<target>无法确定 %x 上的可用磁盘空间.</target>
+
 <source>Cannot find %x.</source>
 <target>无法找到 %x.</target>
 
@@ -594,18 +633,12 @@ Actual: %y bytes
 <source>Cannot delete symbolic link %x.</source>
 <target>无法删除符号链接 %x.</target>
 
-<source>Cannot determine free disk space for %x.</source>
-<target>无法确定 %x 上的可用磁盘空间.</target>
-
 <source>Incorrect command line:</source>
 <target>不正确的命令行:</target>
 
 <source>The server does not support authentication via %x.</source>
 <target>此服务器并不支持通过 %x 进行认证.</target>
 
-<source>Unable to access %x.</source>
-<target>无法访问 %x.</target>
-
 <source>
 <pluralform>Operation timed out after 1 second.</pluralform>
 <pluralform>Operation timed out after %x seconds.</pluralform>
@@ -628,23 +661,6 @@ Actual: %y bytes
 <source>Failed to open SFTP channel number %x.</source>
 <target>打开SFTP通道号 %x 时失败.</target>
 
-<source>
-<pluralform>1 byte</pluralform>
-<pluralform>%x bytes</pluralform>
-</source>
-<target>
-<pluralform>%x 字节</pluralform>
-</target>
-
-<source>%x MB</source>
-<target>%x MB</target>
-
-<source>%x KB</source>
-<target>%x KB</target>
-
-<source>%x GB</source>
-<target>%x GB</target>
-
 <source>Drag && drop</source>
 <target>拖放</target>
 
@@ -758,6 +774,23 @@ The command is triggered if:
 <source>&Retry</source>
 <target>重试(&R)</target>
 
+<source>
+<pluralform>1 byte</pluralform>
+<pluralform>%x bytes</pluralform>
+</source>
+<target>
+<pluralform>%x 字节</pluralform>
+</target>
+
+<source>%x MB</source>
+<target>%x MB</target>
+
+<source>%x KB</source>
+<target>%x KB</target>
+
+<source>%x GB</source>
+<target>%x GB</target>
+
 <source>Loading...</source>
 <target>正在载入...</target>
 
@@ -902,7 +935,7 @@ The command is triggered if:
 <target>另存为批处理作业(&B)...</target>
 
 <source>Show &log</source>
-<target></target>
+<target>显示日志(&L)</target>
 
 <source>Start &comparison</source>
 <target>开始比较(&C)</target>
@@ -964,9 +997,6 @@ The command is triggered if:
 <source>Access online storage</source>
 <target>访问在线存储空间</target>
 
-<source>Swap sides</source>
-<target>两侧互换</target>
-
 <source>Close search bar</source>
 <target>关闭搜索条</target>
 
@@ -991,6 +1021,9 @@ The command is triggered if:
 <source>View type:</source>
 <target>视图类型:</target>
 
+<source>Save as default</source>
+<target>保存为默认值</target>
+
 <source>Select view:</source>
 <target>选择视图:</target>
 
@@ -1048,6 +1081,15 @@ The command is triggered if:
 <source>Handle daylight saving time</source>
 <target>处理夏令时</target>
 
+<source>Ignore errors</source>
+<target>忽略错误</target>
+
+<source>Retry count:</source>
+<target>重试计数:</target>
+
+<source>Delay (in seconds):</source>
+<target>延时 (秒):</target>
+
 <source>Performance improvements:</source>
 <target>性能改进:</target>
 
@@ -1122,17 +1164,11 @@ The command is triggered if:
 <source>Last x days:</source>
 <target>最近 x 天:</target>
 
-<source>Ignore errors</source>
-<target>忽略错误</target>
-
-<source>Retry count:</source>
-<target>重试计数:</target>
-
-<source>Delay (in seconds):</source>
-<target>延时 (秒):</target>
+<source>&Override default log path:</source>
+<target>覆盖默认日志路径(&O):</target>
 
-<source>Run a command after synchronization:</source>
-<target>同步之后运行一个命令:</target>
+<source>Run a command:</source>
+<target>执行一个命令:</target>
 
 <source>OK</source>
 <target>确定</target>
@@ -1182,6 +1218,9 @@ The command is triggered if:
 <source>Directory on server:</source>
 <target>服务器上的目录:</target>
 
+<source>Access timeout (in seconds):</source>
+<target>访问超时(秒):</target>
+
 <source>SFTP channels per connection:</source>
 <target>每个连接的SFTP通道数:</target>
 
@@ -1260,12 +1299,6 @@ The command is triggered if:
 <source>Stop synchronization at first error</source>
 <target>在遇到第一个错误时停止同步</target>
 
-<source>Save log:</source>
-<target>保存日志:</target>
-
-<source>Limit number of log files:</source>
-<target>限制日志文件数量:</target>
-
 <source>How can I schedule a batch job?</source>
 <target>我如何计划一个批处理作业?</target>
 
@@ -1299,8 +1332,11 @@ This guarantees a consistent state even in case of a serious error.
 <source>Show all permanently hidden dialogs and warning messages again</source>
 <target>重新显示所有被永久性隐藏的 对话框和警告信息</target>
 
-<source>Remove old log files after x days:</source>
-<target></target>
+<source>Default log path:</source>
+<target>默认日志路径:</target>
+
+<source>&Delete logs after x days:</source>
+<target>在 x 天后删除日志(&D):</target>
 
 <source>Customize context menu:</source>
 <target>自定义右键菜单:</target>
@@ -1311,8 +1347,8 @@ This guarantees a consistent state even in case of a serious error.
 <source>&Default</source>
 <target>默认(&D)</target>
 
-<source>Feedback and suggestions are welcome</source>
-<target>欢迎反馈意见和提出建议</target>
+<source>Feedback and suggestions are welcome:</source>
+<target>欢迎提出反馈意见和建议:</target>
 
 <source>Home page</source>
 <target>主页</target>
@@ -1338,8 +1374,8 @@ This guarantees a consistent state even in case of a serious error.
 <source>Source code written in C++ using:</source>
 <target>源代码使用如下工具由C++写成:</target>
 
-<source>Published under the GNU General Public License</source>
-<target>在GNU通用公共许可下发布</target>
+<source>Published under the GNU General Public License:</source>
+<target>根据GNU通用公共许可证发布:</target>
 
 <source>Many thanks for localization:</source>
 <target>非常感谢以下本地化翻译者:</target>
@@ -1396,7 +1432,7 @@ This guarantees a consistent state even in case of a serious error.
 <target>信息</target>
 
 <source>No log entries</source>
-<target></target>
+<target>没有日志条目</target>
 
 <source>Select all</source>
 <target>选择全部</target>
@@ -1422,6 +1458,9 @@ This guarantees a consistent state even in case of a serious error.
 <source>Overview</source>
 <target>摘要</target>
 
+<source>Swap sides</source>
+<target>两侧互换</target>
+
 <source>Show "%x"</source>
 <target>显示 "%x"</target>
 
@@ -1592,9 +1631,6 @@ This guarantees a consistent state even in case of a serious error.
 <source>Show filtered or temporarily excluded files</source>
 <target>显示已被过滤或被临时排除的文件</target>
 
-<source>Save as default</source>
-<target>保存为默认值</target>
-
 <source>Filter</source>
 <target>过滤器</target>
 
@@ -1935,12 +1971,6 @@ This guarantees a consistent state even in case of a serious error.
 <source>Checking recycle bin failed for folder %x.</source>
 <target>检查文件夹 %x 的回收站失败.</target>
 
-<source>The following XML elements could not be read:</source>
-<target>下列的XML元素无法被读取:</target>
-
-<source>Configuration file %x is incomplete. The missing elements will be set to their default values.</source>
-<target>配置文件 %x 不完整. 丢失的元素将被设置为它们的默认值.</target>
-
 <source>Prepare installation</source>
 <target>准备安装</target>
 
diff --git a/FreeFileSync/Build/Languages/chinese_traditional.lng b/FreeFileSync/Build/Languages/chinese_traditional.lng
index 2dc930c4..2705c499 100755
--- a/FreeFileSync/Build/Languages/chinese_traditional.lng
+++ b/FreeFileSync/Build/Languages/chinese_traditional.lng
@@ -159,6 +159,9 @@
 <source>Items differ in attributes only</source>
 <target>只有項目的屬性不同</target>
 
+<source>The name %x is used by more than one item in the folder.</source>
+<target>名稱 %x 已被資料夾中的多個項目使用。</target>
+
 <source>Resolving symbolic link %x</source>
 <target>正在解析符號連結 %x</target>
 
@@ -186,9 +189,6 @@
 <source>File time tolerance</source>
 <target>檔案時間容差範圍</target>
 
-<source>Folder access timeout</source>
-<target>資料夾存取超時</target>
-
 <source>Run with background priority</source>
 <target>背景優先執行</target>
 
@@ -226,7 +226,7 @@
 <target>資料庫檔案 %x 不相容。</target>
 
 <source>Initial synchronization:</source>
-<target>初始化同步：</target>
+<target>初始同步：</target>
 
 <source>Database file %x does not yet exist.</source>
 <target>資料庫檔案 %x 不存在。</target>
@@ -253,7 +253,7 @@
 <target>正在搜尋資料夾 %x…</target>
 
 <source>Timeout while searching for folder %x.</source>
-<target>搜尋資料夾 %x 時超時。</target>
+<target>搜尋資料夾 %x 時逾時。</target>
 
 <source>Cannot get process information.</source>
 <target>無法取得處理訊息。</target>
@@ -332,8 +332,11 @@
 <source>Update attributes on right</source>
 <target>更新右邊的屬性</target>
 
-<source>Warning</source>
-<target>警告</target>
+<source>Errors:</source>
+<target>錯誤：</target>
+
+<source>Warnings:</source>
+<target>警告：</target>
 
 <source>Items processed:</source>
 <target>已處理項目：</target>
@@ -344,15 +347,33 @@
 <source>Total time:</source>
 <target>全部時間：</target>
 
+<source>Warning</source>
+<target>警告</target>
+
 <source>Stopped</source>
 <target>已停止</target>
 
 <source>Cleaning up log files:</source>
-<target>清除日誌檔：</target>
+<target>清除紀錄檔：</target>
 
 <source>Error parsing file %x, row %y, column %z.</source>
 <target>解析 %x 檔案，第 %y 列，第 %z 行出現錯誤。</target>
 
+<source>Services</source>
+<target>服務</target>
+
+<source>Show All</source>
+<target>顯示全部</target>
+
+<source>Hide Others</source>
+<target>隱藏其他</target>
+
+<source>Hide %x</source>
+<target>隱藏 %x</target>
+
+<source>Quit %x</source>
+<target>結束 %x</target>
+
 <source>Cannot set directory locks for the following folders:</source>
 <target>無法為以下資料夾設定目錄鎖定：</target>
 
@@ -361,17 +382,17 @@
 <pluralform>%x threads</pluralform>
 </source>
 <target>
-<pluralform>%x 執行緒</pluralform>
+<pluralform>%x 個執行緒</pluralform>
 </target>
 
 <source>Cannot read directory %x.</source>
 <target>無法讀取目錄 %x。</target>
 
-<source>/sec</source>
-<target>(秒)</target>
+<source>%x/sec</source>
+<target>%x/秒</target>
 
-<source>%x items/sec</source>
-<target>%x 個項目(秒)</target>
+<source>%x items</source>
+<target>%x 項目</target>
 
 <source>Show in Explorer</source>
 <target>在資源管理器中顯示</target>
@@ -520,11 +541,11 @@
 <source>Generating database...</source>
 <target>正在產生資料庫…</target>
 
-<source>Searching for excess file versions:</source>
-<target>正在搜尋多餘的檔案版本：</target>
+<source>Searching for old file versions:</source>
+<target>正在搜尋舊檔版本：</target>
 
-<source>Removing excess file versions:</source>
-<target>正在刪除多餘的檔案版本：</target>
+<source>Removing old file versions:</source>
+<target>正在移除舊檔版本：</target>
 
 <source>Unable to create time stamp for versioning:</source>
 <target>無法建立時間戳記的版本控制：</target>
@@ -582,6 +603,24 @@ Actual: %y bytes
 <source>Unable to move %x to the recycle bin.</source>
 <target>無法將 %x 移動到資源回收筒。</target>
 
+<source>Unable to access %x.</source>
+<target>無法存取 %x。</target>
+
+<source>Authentication completed.</source>
+<target>認證完成。</target>
+
+<source>Authentication failed.</source>
+<target>認證失敗。</target>
+
+<source>You may close this page now and continue with FreeFileSync.</source>
+<target>您可以立即關閉此頁面並繼續使用FreeFileSync。</target>
+
+<source>The server returned an error:</source>
+<target>伺服器傳回錯誤：</target>
+
+<source>Cannot determine free disk space for %x.</source>
+<target>無法確定 %x 的可用磁碟空間。</target>
+
 <source>Cannot find %x.</source>
 <target>找不到 %x。</target>
 
@@ -594,24 +633,18 @@ Actual: %y bytes
 <source>Cannot delete symbolic link %x.</source>
 <target>無法刪除符號連結 %x。</target>
 
-<source>Cannot determine free disk space for %x.</source>
-<target>無法確定 %x 的可用磁碟空間。</target>
-
 <source>Incorrect command line:</source>
 <target>不正確的命令列：</target>
 
 <source>The server does not support authentication via %x.</source>
-<target>伺服器不支援透過 %x 進行身份驗證。</target>
-
-<source>Unable to access %x.</source>
-<target>無法存取 %x。</target>
+<target>伺服器不支援透過 %x 進行認證。</target>
 
 <source>
 <pluralform>Operation timed out after 1 second.</pluralform>
 <pluralform>Operation timed out after %x seconds.</pluralform>
 </source>
 <target>
-<pluralform>在 %x 秒後操作超時。</pluralform>
+<pluralform>在 %x 秒後操作逾時。</pluralform>
 </target>
 
 <source>
@@ -628,23 +661,6 @@ Actual: %y bytes
 <source>Failed to open SFTP channel number %x.</source>
 <target>無法開啟SFTP通道號 %x。</target>
 
-<source>
-<pluralform>1 byte</pluralform>
-<pluralform>%x bytes</pluralform>
-</source>
-<target>
-<pluralform>%x 位元組</pluralform>
-</target>
-
-<source>%x MB</source>
-<target>%x MB</target>
-
-<source>%x KB</source>
-<target>%x KB</target>
-
-<source>%x GB</source>
-<target>%x GB</target>
-
 <source>Drag && drop</source>
 <target>拖放</target>
 
@@ -758,6 +774,23 @@ The command is triggered if:
 <source>&Retry</source>
 <target>重試(&R)</target>
 
+<source>
+<pluralform>1 byte</pluralform>
+<pluralform>%x bytes</pluralform>
+</source>
+<target>
+<pluralform>%x 位元組</pluralform>
+</target>
+
+<source>%x MB</source>
+<target>%x MB</target>
+
+<source>%x KB</source>
+<target>%x KB</target>
+
+<source>%x GB</source>
+<target>%x GB</target>
+
 <source>Loading...</source>
 <target>正在載入…</target>
 
@@ -824,7 +857,7 @@ The command is triggered if:
 <target>上次同步</target>
 
 <source>Log</source>
-<target>日誌</target>
+<target>紀錄</target>
 
 <source>Folder</source>
 <target>資料夾</target>
@@ -902,7 +935,7 @@ The command is triggered if:
 <target>另存為批次工作(&B)…</target>
 
 <source>Show &log</source>
-<target></target>
+<target>顯示紀錄(&L)</target>
 
 <source>Start &comparison</source>
 <target>開始比對(&C)</target>
@@ -964,9 +997,6 @@ The command is triggered if:
 <source>Access online storage</source>
 <target>存取線上儲存空間</target>
 
-<source>Swap sides</source>
-<target>兩邊交換</target>
-
 <source>Close search bar</source>
 <target>關閉搜尋欄位</target>
 
@@ -991,6 +1021,9 @@ The command is triggered if:
 <source>View type:</source>
 <target>檢視類型：</target>
 
+<source>Save as default</source>
+<target>儲存為預設值</target>
+
 <source>Select view:</source>
 <target>選擇視圖：</target>
 
@@ -1028,7 +1061,7 @@ The command is triggered if:
 <target>包含符號連結(&S)：</target>
 
 <source>&Follow</source>
-<target>跟隨(&F)</target>
+<target>追隨(&F)</target>
 
 <source>&Direct</source>
 <target>直接(&D)</target>
@@ -1048,6 +1081,15 @@ The command is triggered if:
 <source>Handle daylight saving time</source>
 <target>處理日光節約時間</target>
 
+<source>Ignore errors</source>
+<target>忽略錯誤</target>
+
+<source>Retry count:</source>
+<target>重試次數：</target>
+
+<source>Delay (in seconds):</source>
+<target>延遲(以秒為單位)：</target>
+
 <source>Performance improvements:</source>
 <target>效能改善：</target>
 
@@ -1122,17 +1164,11 @@ The command is triggered if:
 <source>Last x days:</source>
 <target>最近 x 天：</target>
 
-<source>Ignore errors</source>
-<target>忽略錯誤</target>
-
-<source>Retry count:</source>
-<target>重試次數：</target>
-
-<source>Delay (in seconds):</source>
-<target>延遲(以秒為單位)：</target>
+<source>&Override default log path:</source>
+<target>覆蓋預設紀錄路徑(&O)：</target>
 
-<source>Run a command after synchronization:</source>
-<target>同步後執行一個命令：</target>
+<source>Run a command:</source>
+<target>執行命令：</target>
 
 <source>OK</source>
 <target>確定</target>
@@ -1159,7 +1195,7 @@ The command is triggered if:
 <target>外顯式SSL/TLS(&E)</target>
 
 <source>Authentication:</source>
-<target>身份驗證：</target>
+<target>認證：</target>
 
 <source>&Password</source>
 <target>密碼(&P)：</target>
@@ -1182,6 +1218,9 @@ The command is triggered if:
 <source>Directory on server:</source>
 <target>在伺服器上的目錄：</target>
 
+<source>Access timeout (in seconds):</source>
+<target>存取逾時(以秒為單位)：</target>
+
 <source>SFTP channels per connection:</source>
 <target>每個連接SFTP通道數：</target>
 
@@ -1260,12 +1299,6 @@ The command is triggered if:
 <source>Stop synchronization at first error</source>
 <target>在第一個錯誤時停止同步</target>
 
-<source>Save log:</source>
-<target>儲存日誌：</target>
-
-<source>Limit number of log files:</source>
-<target>限制日誌檔數量：</target>
-
 <source>How can I schedule a batch job?</source>
 <target>如何排程批次工作？</target>
 
@@ -1302,8 +1335,11 @@ This guarantees a consistent state even in case of a serious error.
 <source>Show all permanently hidden dialogs and warning messages again</source>
 <target>再次顯示所有永久 隱藏的對話框和警告訊息</target>
 
-<source>Remove old log files after x days:</source>
-<target></target>
+<source>Default log path:</source>
+<target>預設紀錄路徑：</target>
+
+<source>&Delete logs after x days:</source>
+<target>在 x 天後刪除紀錄(&D)：</target>
 
 <source>Customize context menu:</source>
 <target>自訂內容功能表：</target>
@@ -1314,8 +1350,8 @@ This guarantees a consistent state even in case of a serious error.
 <source>&Default</source>
 <target>預設(&D)</target>
 
-<source>Feedback and suggestions are welcome</source>
-<target>歡迎反映意見和建議</target>
+<source>Feedback and suggestions are welcome:</source>
+<target>歡迎回饋和建議：</target>
 
 <source>Home page</source>
 <target>主頁</target>
@@ -1341,8 +1377,8 @@ This guarantees a consistent state even in case of a serious error.
 <source>Source code written in C++ using:</source>
 <target>使用C++編寫的原始碼：</target>
 
-<source>Published under the GNU General Public License</source>
-<target>在GNU通用公共許可證下發佈</target>
+<source>Published under the GNU General Public License:</source>
+<target>根據GNU通用公共授權條款發佈：</target>
 
 <source>Many thanks for localization:</source>
 <target>非常感謝在地化翻譯人員：</target>
@@ -1399,7 +1435,7 @@ This guarantees a consistent state even in case of a serious error.
 <target>訊息</target>
 
 <source>No log entries</source>
-<target></target>
+<target>沒有紀錄</target>
 
 <source>Select all</source>
 <target>全選</target>
@@ -1425,6 +1461,9 @@ This guarantees a consistent state even in case of a serious error.
 <source>Overview</source>
 <target>摘要</target>
 
+<source>Swap sides</source>
+<target>兩邊交換</target>
+
 <source>Show "%x"</source>
 <target>顯示「%x」</target>
 
@@ -1595,9 +1634,6 @@ This guarantees a consistent state even in case of a serious error.
 <source>Show filtered or temporarily excluded files</source>
 <target>顯示已篩選或暫時排除的檔案</target>
 
-<source>Save as default</source>
-<target>儲存為預設值</target>
-
 <source>Filter</source>
 <target>篩選器</target>
 
@@ -1644,7 +1680,7 @@ This guarantees a consistent state even in case of a serious error.
 <target>進度</target>
 
 <source>Thank you, %x, for your donation and support!</source>
-<target>%x， 感謝您的贊助與支持！</target>
+<target>%x，感謝您的贊助與支持！</target>
 
 <source>Connections</source>
 <target>連線數</target>
@@ -1938,12 +1974,6 @@ This guarantees a consistent state even in case of a serious error.
 <source>Checking recycle bin failed for folder %x.</source>
 <target>檢查資源回收筒的資料夾 %x 失敗。</target>
 
-<source>The following XML elements could not be read:</source>
-<target>無法讀取下列XML元件：</target>
-
-<source>Configuration file %x is incomplete. The missing elements will be set to their default values.</source>
-<target>配置檔案 %x 不完整。缺少的元件將設定為其本身預設值。</target>
-
 <source>Prepare installation</source>
 <target>準備安裝</target>
 
@@ -2014,7 +2044,7 @@ This guarantees a consistent state even in case of a serious error.
 <target>使用FreeFileSync進行編輯</target>
 
 <source>Instead of an ad, here's an animal.</source>
-<target>這是一隻動物，而不是廣告。</target>
+<target>這是一隻動物，不是廣告。</target>
 
 <source>The FreeFileSync portable version cannot install into a subfolder of %x.</source>
 <target>FreeFileSync可攜式版本無法安裝到 %x 的子資料夾。</target>
diff --git a/FreeFileSync/Build/Languages/croatian.lng b/FreeFileSync/Build/Languages/croatian.lng
index 78107ef3..ee6721a2 100755
--- a/FreeFileSync/Build/Languages/croatian.lng
+++ b/FreeFileSync/Build/Languages/croatian.lng
@@ -161,6 +161,9 @@
 <source>Items differ in attributes only</source>
 <target>Stavke se razlikuju samo u atributima</target>
 
+<source>The name %x is used by more than one item in the folder.</source>
+<target>Naziv %x se koristi za više od jedne stavke u mapi.</target>
+
 <source>Resolving symbolic link %x</source>
 <target>Rješavam simboličku vezu %x</target>
 
@@ -188,9 +191,6 @@
 <source>File time tolerance</source>
 <target>Tolerancija vremena datoteke</target>
 
-<source>Folder access timeout</source>
-<target>Istek vremena pristupa mapi</target>
-
 <source>Run with background priority</source>
 <target>Pokreni s pozadinskim prioritetom</target>
 
@@ -336,8 +336,11 @@
 <source>Update attributes on right</source>
 <target>Osvježi atribute desno</target>
 
-<source>Warning</source>
-<target>Upozorenje</target>
+<source>Errors:</source>
+<target>Pogreške:</target>
+
+<source>Warnings:</source>
+<target>Upozorenja:</target>
 
 <source>Items processed:</source>
 <target>Obrađene stavke:</target>
@@ -348,6 +351,9 @@
 <source>Total time:</source>
 <target>Ukupno vrijeme:</target>
 
+<source>Warning</source>
+<target>Upozorenje</target>
+
 <source>Stopped</source>
 <target>Zaustavljeno</target>
 
@@ -357,6 +363,21 @@
 <source>Error parsing file %x, row %y, column %z.</source>
 <target>Greška u analizi datoteke %x, red %y, stupac %z.</target>
 
+<source>Services</source>
+<target>Servisi</target>
+
+<source>Show All</source>
+<target>Prikaži sve</target>
+
+<source>Hide Others</source>
+<target>Sakrij ostale</target>
+
+<source>Hide %x</source>
+<target>Sakrij %x</target>
+
+<source>Quit %x</source>
+<target>Napusti %x</target>
+
 <source>Cannot set directory locks for the following folders:</source>
 <target>Nije moguće zaključavanje slijedećih foldera:</target>
 
@@ -373,11 +394,11 @@
 <source>Cannot read directory %x.</source>
 <target>Nije moguće učitati mapu %x.</target>
 
-<source>/sec</source>
-<target>/sek</target>
+<source>%x/sec</source>
+<target>%x/sek</target>
 
-<source>%x items/sec</source>
-<target>%x stavki/sek</target>
+<source>%x items</source>
+<target>%x stavki</target>
 
 <source>Show in Explorer</source>
 <target>Prikaži u Exploreru</target>
@@ -526,11 +547,11 @@
 <source>Generating database...</source>
 <target>Izrađivanje baze podataka...</target>
 
-<source>Searching for excess file versions:</source>
-<target>Traženje višestrukih verzija datoteka:</target>
+<source>Searching for old file versions:</source>
+<target>Pretraživanje starih verzija datoteka:</target>
 
-<source>Removing excess file versions:</source>
-<target>Uklanjanje višestrukih verzija datoteka:</target>
+<source>Removing old file versions:</source>
+<target>Uklanjanje starih verzija datoteka:</target>
 
 <source>Unable to create time stamp for versioning:</source>
 <target>Nije moguća izrada vremenske oznake za označavanje:</target>
@@ -588,6 +609,24 @@ Stvarno: %y bajta
 <source>Unable to move %x to the recycle bin.</source>
 <target>Nije moguće premjestiti %x u koš za smeće.</target>
 
+<source>Unable to access %x.</source>
+<target>Nije moguće pristupiti %x.</target>
+
+<source>Authentication completed.</source>
+<target>Provjera autentičnosti dovršena.</target>
+
+<source>Authentication failed.</source>
+<target>Provjera autentičnosti nije uspjela.</target>
+
+<source>You may close this page now and continue with FreeFileSync.</source>
+<target>Sada možete zatvoriti ovu stranicu i nastaviti sa FreeFileSync.</target>
+
+<source>The server returned an error:</source>
+<target>Pogreška poslužitelja:</target>
+
+<source>Cannot determine free disk space for %x.</source>
+<target>Nije moguće izračunati slobodan prostor diska za %x.</target>
+
 <source>Cannot find %x.</source>
 <target>Nije moguće pronaći %x.</target>
 
@@ -600,18 +639,12 @@ Stvarno: %y bajta
 <source>Cannot delete symbolic link %x.</source>
 <target>Nije moguće brisanje simbolične poveznice %x.</target>
 
-<source>Cannot determine free disk space for %x.</source>
-<target>Nije moguće izračunati slobodan prostor diska za %x.</target>
-
 <source>Incorrect command line:</source>
 <target>Netočna naredbena linija:</target>
 
 <source>The server does not support authentication via %x.</source>
 <target>Server ne podržava provjeru autentičnosti preko %x.</target>
 
-<source>Unable to access %x.</source>
-<target>Nije moguće pristupiti %x.</target>
-
 <source>
 <pluralform>Operation timed out after 1 second.</pluralform>
 <pluralform>Operation timed out after %x seconds.</pluralform>
@@ -638,25 +671,6 @@ Stvarno: %y bajta
 <source>Failed to open SFTP channel number %x.</source>
 <target>Nije uspjelo povezivanje na SFTP kanal broj %x.</target>
 
-<source>
-<pluralform>1 byte</pluralform>
-<pluralform>%x bytes</pluralform>
-</source>
-<target>
-<pluralform>%x bajt</pluralform>
-<pluralform>%x bajta</pluralform>
-<pluralform>%x bajtova</pluralform>
-</target>
-
-<source>%x MB</source>
-<target>%x MB</target>
-
-<source>%x KB</source>
-<target>%x KB</target>
-
-<source>%x GB</source>
-<target>%x GB</target>
-
 <source>Drag && drop</source>
 <target>Povuci && ispusti</target>
 
@@ -770,6 +784,25 @@ Naredba će biti pokrenuta ako se:
 <source>&Retry</source>
 <target>&Ponovi</target>
 
+<source>
+<pluralform>1 byte</pluralform>
+<pluralform>%x bytes</pluralform>
+</source>
+<target>
+<pluralform>%x bajt</pluralform>
+<pluralform>%x bajta</pluralform>
+<pluralform>%x bajtova</pluralform>
+</target>
+
+<source>%x MB</source>
+<target>%x MB</target>
+
+<source>%x KB</source>
+<target>%x KB</target>
+
+<source>%x GB</source>
+<target>%x GB</target>
+
 <source>Loading...</source>
 <target>Učitavam...</target>
 
@@ -916,7 +949,7 @@ Naredba će biti pokrenuta ako se:
 <target>Spremi kao &Slijedni zadatak...</target>
 
 <source>Show &log</source>
-<target></target>
+<target>Prikaži &zapisnik</target>
 
 <source>Start &comparison</source>
 <target>Započni &usporedbu</target>
@@ -978,9 +1011,6 @@ Naredba će biti pokrenuta ako se:
 <source>Access online storage</source>
 <target>Pristupi online pohrani</target>
 
-<source>Swap sides</source>
-<target>Zamjeni strane</target>
-
 <source>Close search bar</source>
 <target>Zatvori traku pretraživanja</target>
 
@@ -1005,6 +1035,9 @@ Naredba će biti pokrenuta ako se:
 <source>View type:</source>
 <target>Vrsta prikaza:</target>
 
+<source>Save as default</source>
+<target>Spremi kao standardno</target>
+
 <source>Select view:</source>
 <target>Odaberite prikaz:</target>
 
@@ -1062,6 +1095,15 @@ Naredba će biti pokrenuta ako se:
 <source>Handle daylight saving time</source>
 <target>Upravljaj ljetnim računanjem vremena</target>
 
+<source>Ignore errors</source>
+<target>Zanemariti pogreške</target>
+
+<source>Retry count:</source>
+<target>Broj pokušaja:</target>
+
+<source>Delay (in seconds):</source>
+<target>Odgoda (u sekundama):</target>
+
 <source>Performance improvements:</source>
 <target>Poboljšanje perfomansi:</target>
 
@@ -1136,17 +1178,11 @@ Naredba će biti pokrenuta ako se:
 <source>Last x days:</source>
 <target>Zadnjih nekoliko dana:</target>
 
-<source>Ignore errors</source>
-<target>Zanemariti pogreške</target>
-
-<source>Retry count:</source>
-<target>Broj pokušaja:</target>
-
-<source>Delay (in seconds):</source>
-<target>Odgoda (u sekundama):</target>
+<source>&Override default log path:</source>
+<target>&Prepiši zadanu putanju zapisnika:</target>
 
-<source>Run a command after synchronization:</source>
-<target>Pokreni naredbu nakon sinkronizacije:</target>
+<source>Run a command:</source>
+<target>Izvrši naredbu:</target>
 
 <source>OK</source>
 <target>U redu</target>
@@ -1196,6 +1232,9 @@ Naredba će biti pokrenuta ako se:
 <source>Directory on server:</source>
 <target>Mapa na serveru:</target>
 
+<source>Access timeout (in seconds):</source>
+<target>Prekid pristupa nakon (u sekundama):</target>
+
 <source>SFTP channels per connection:</source>
 <target>SFTP kanala po konekciji:</target>
 
@@ -1274,12 +1313,6 @@ Naredba će biti pokrenuta ako se:
 <source>Stop synchronization at first error</source>
 <target>Zaustavi sinkronizaciju pri prvoj pogrešci</target>
 
-<source>Save log:</source>
-<target>Spremi izvještaj:</target>
-
-<source>Limit number of log files:</source>
-<target>Limitiranje broja log datoteka:</target>
-
 <source>How can I schedule a batch job?</source>
 <target>Kako zakazati slijedni zadatak?</target>
 
@@ -1316,8 +1349,11 @@ Ovo garantira stabilno stanje čak u slučaju ozbiljne greške.
 <source>Show all permanently hidden dialogs and warning messages again</source>
 <target>Prikaži sve trajno skrivene prozore i poruke upozorenja ponovno</target>
 
-<source>Remove old log files after x days:</source>
-<target></target>
+<source>Default log path:</source>
+<target>Zadana putanja zapisnika:</target>
+
+<source>&Delete logs after x days:</source>
+<target>&Izbrisati zapisnike nakon x dana:</target>
 
 <source>Customize context menu:</source>
 <target>Prilagodite kontekstni izbornik:</target>
@@ -1328,8 +1364,8 @@ Ovo garantira stabilno stanje čak u slučaju ozbiljne greške.
 <source>&Default</source>
 <target>&Zadano</target>
 
-<source>Feedback and suggestions are welcome</source>
-<target>Povratne informacije i prijedlozi su dobrodošli</target>
+<source>Feedback and suggestions are welcome:</source>
+<target>Povratne informacije i prijedlozi su dobrodošli:</target>
 
 <source>Home page</source>
 <target>Web stranica</target>
@@ -1355,8 +1391,8 @@ Ovo garantira stabilno stanje čak u slučaju ozbiljne greške.
 <source>Source code written in C++ using:</source>
 <target>Izvorni kod napisan u C++ uz korištenje:</target>
 
-<source>Published under the GNU General Public License</source>
-<target>Objavljeno pod licencom GNU General Public</target>
+<source>Published under the GNU General Public License:</source>
+<target>Objavljeno pod GNU General Public Licencom:</target>
 
 <source>Many thanks for localization:</source>
 <target>Velike zahvale idu:</target>
@@ -1413,7 +1449,7 @@ Ovo garantira stabilno stanje čak u slučaju ozbiljne greške.
 <target>Info</target>
 
 <source>No log entries</source>
-<target></target>
+<target>Nema izvještaja</target>
 
 <source>Select all</source>
 <target>Odaberi sve</target>
@@ -1439,6 +1475,9 @@ Ovo garantira stabilno stanje čak u slučaju ozbiljne greške.
 <source>Overview</source>
 <target>Pregled</target>
 
+<source>Swap sides</source>
+<target>Zamjeni strane</target>
+
 <source>Show "%x"</source>
 <target>Prikaži "%x"</target>
 
@@ -1617,9 +1656,6 @@ Ovo garantira stabilno stanje čak u slučaju ozbiljne greške.
 <source>Show filtered or temporarily excluded files</source>
 <target>Prikaži filtrirane ili privremeno odvojene datoteke</target>
 
-<source>Save as default</source>
-<target>Spremi kao standardno</target>
-
 <source>Filter</source>
 <target>Filtriranje</target>
 
@@ -1970,12 +2006,6 @@ Ovo garantira stabilno stanje čak u slučaju ozbiljne greške.
 <source>Checking recycle bin failed for folder %x.</source>
 <target>Provjeravanje koša za smeće neuspješno za mapu %x.</target>
 
-<source>The following XML elements could not be read:</source>
-<target>Slijedeći XML elementi se nisu mogli učitati:</target>
-
-<source>Configuration file %x is incomplete. The missing elements will be set to their default values.</source>
-<target>Konfiguracijska datoteka %x je nepotpuna. Nedostajući elementi će biti postavljeni na početne vrijednosti.</target>
-
 <source>Prepare installation</source>
 <target>Pripremam instalaciju</target>
 
diff --git a/FreeFileSync/Build/Languages/czech.lng b/FreeFileSync/Build/Languages/czech.lng
index 3403389a..1cf9fb65 100755
--- a/FreeFileSync/Build/Languages/czech.lng
+++ b/FreeFileSync/Build/Languages/czech.lng
@@ -161,6 +161,9 @@
 <source>Items differ in attributes only</source>
 <target>Položky se liší pouze ve vlastnostech</target>
 
+<source>The name %x is used by more than one item in the folder.</source>
+<target>Název %x je použit více jak jednou položkou ve složce.</target>
+
 <source>Resolving symbolic link %x</source>
 <target>Hledání odkazu symbolického zástupce %x</target>
 
@@ -188,9 +191,6 @@
 <source>File time tolerance</source>
 <target>Časová tolerance</target>
 
-<source>Folder access timeout</source>
-<target>Časový limit přístupu ke složce</target>
-
 <source>Run with background priority</source>
 <target>Spuštění s prioritou na pozadí</target>
 
@@ -336,8 +336,11 @@
 <source>Update attributes on right</source>
 <target>Nastavit vlastnosti vpravo</target>
 
-<source>Warning</source>
-<target>Varování</target>
+<source>Errors:</source>
+<target>Chyb:</target>
+
+<source>Warnings:</source>
+<target>Varování:</target>
 
 <source>Items processed:</source>
 <target>Zpracováno položek:</target>
@@ -348,6 +351,9 @@
 <source>Total time:</source>
 <target>Celkový čas:</target>
 
+<source>Warning</source>
+<target>Varování</target>
+
 <source>Stopped</source>
 <target>Zastaveno</target>
 
@@ -357,6 +363,21 @@
 <source>Error parsing file %x, row %y, column %z.</source>
 <target>Chyba zpracování souboru %x: na řádku %y ve sloupci %z.</target>
 
+<source>Services</source>
+<target>Služby</target>
+
+<source>Show All</source>
+<target>Zobrazit vše</target>
+
+<source>Hide Others</source>
+<target>Skrýt ostatní</target>
+
+<source>Hide %x</source>
+<target>Skrýt %x</target>
+
+<source>Quit %x</source>
+<target>Ukončit %x</target>
+
 <source>Cannot set directory locks for the following folders:</source>
 <target>Nelze uzamčít následující adresáře:</target>
 
@@ -373,11 +394,11 @@
 <source>Cannot read directory %x.</source>
 <target>Nelze číst adresář %x.</target>
 
-<source>/sec</source>
-<target>/s</target>
+<source>%x/sec</source>
+<target>%x/s</target>
 
-<source>%x items/sec</source>
-<target>%x položek/s</target>
+<source>%x items</source>
+<target>%x položek</target>
 
 <source>Show in Explorer</source>
 <target>Zobrazit v Průzkumníkovi</target>
@@ -526,11 +547,11 @@
 <source>Generating database...</source>
 <target>Vytváření databáze...</target>
 
-<source>Searching for excess file versions:</source>
-<target>Hledání nadbytečných verzí:</target>
+<source>Searching for old file versions:</source>
+<target>Hledání starších verzí:</target>
 
-<source>Removing excess file versions:</source>
-<target>Odstraňování nadbytečných verzí:</target>
+<source>Removing old file versions:</source>
+<target>Odstraňování starších verzí:</target>
 
 <source>Unable to create time stamp for versioning:</source>
 <target>Nelze vytvořit časové značky verzování:</target>
@@ -588,6 +609,24 @@ Aktuálně: %y b
 <source>Unable to move %x to the recycle bin.</source>
 <target>Není možné přesunout %x do Koše.</target>
 
+<source>Unable to access %x.</source>
+<target>Nepodařil se přístup k %x.</target>
+
+<source>Authentication completed.</source>
+<target>Přístup povolen.</target>
+
+<source>Authentication failed.</source>
+<target>Přístup odmítnut.</target>
+
+<source>You may close this page now and continue with FreeFileSync.</source>
+<target>Nyní můžete tuto stránku zavřít a pokračovat s FreeFileSync.</target>
+
+<source>The server returned an error:</source>
+<target>Server vrátil chybu:</target>
+
+<source>Cannot determine free disk space for %x.</source>
+<target>Nelze zjistit volné místo na disku %x.</target>
+
 <source>Cannot find %x.</source>
 <target>Nelze najít %x.</target>
 
@@ -600,18 +639,12 @@ Aktuálně: %y b
 <source>Cannot delete symbolic link %x.</source>
 <target>Nelze smazat symbolický odkaz %x.</target>
 
-<source>Cannot determine free disk space for %x.</source>
-<target>Nelze zjistit volné místo na disku %x.</target>
-
 <source>Incorrect command line:</source>
 <target>Neplatný příkaz:</target>
 
 <source>The server does not support authentication via %x.</source>
 <target>Server nepodporuje ověření pomocí %x.</target>
 
-<source>Unable to access %x.</source>
-<target>Nepodařil se přístup k %x.</target>
-
 <source>
 <pluralform>Operation timed out after 1 second.</pluralform>
 <pluralform>Operation timed out after %x seconds.</pluralform>
@@ -638,25 +671,6 @@ Aktuálně: %y b
 <source>Failed to open SFTP channel number %x.</source>
 <target>Nelze otevřít SFTP kanál %x.</target>
 
-<source>
-<pluralform>1 byte</pluralform>
-<pluralform>%x bytes</pluralform>
-</source>
-<target>
-<pluralform>%x B</pluralform>
-<pluralform>%x B</pluralform>
-<pluralform>%x B</pluralform>
-</target>
-
-<source>%x MB</source>
-<target>%x MB</target>
-
-<source>%x KB</source>
-<target>%x KB</target>
-
-<source>%x GB</source>
-<target>%x GB</target>
-
 <source>Drag && drop</source>
 <target>Přetáhni sem && pusť</target>
 
@@ -770,6 +784,25 @@ Příkaz je spuštěn když:
 <source>&Retry</source>
 <target>&Opakovat</target>
 
+<source>
+<pluralform>1 byte</pluralform>
+<pluralform>%x bytes</pluralform>
+</source>
+<target>
+<pluralform>%x B</pluralform>
+<pluralform>%x B</pluralform>
+<pluralform>%x B</pluralform>
+</target>
+
+<source>%x MB</source>
+<target>%x MB</target>
+
+<source>%x KB</source>
+<target>%x KB</target>
+
+<source>%x GB</source>
+<target>%x GB</target>
+
 <source>Loading...</source>
 <target>Načítání...</target>
 
@@ -916,7 +949,7 @@ Příkaz je spuštěn když:
 <target>Uložit jako &dávku...</target>
 
 <source>Show &log</source>
-<target></target>
+<target>&Zobrazit žurnál</target>
 
 <source>Start &comparison</source>
 <target>Začít &porovnání</target>
@@ -978,9 +1011,6 @@ Příkaz je spuštěn když:
 <source>Access online storage</source>
 <target>Přístup k uložišti</target>
 
-<source>Swap sides</source>
-<target>Změna stran</target>
-
 <source>Close search bar</source>
 <target>Zavřít hledání</target>
 
@@ -1005,6 +1035,9 @@ Příkaz je spuštěn když:
 <source>View type:</source>
 <target>Typ zobrazení:</target>
 
+<source>Save as default</source>
+<target>Uložit jako výchozí</target>
+
 <source>Select view:</source>
 <target>Výběr zobrazení:</target>
 
@@ -1062,6 +1095,15 @@ Příkaz je spuštěn když:
 <source>Handle daylight saving time</source>
 <target>Používat letní čas</target>
 
+<source>Ignore errors</source>
+<target>Přeskočit chyby</target>
+
+<source>Retry count:</source>
+<target>Počet opakování:</target>
+
+<source>Delay (in seconds):</source>
+<target>Prodleva (v sekundách):</target>
+
 <source>Performance improvements:</source>
 <target>Vylepšení rychlosti:</target>
 
@@ -1136,17 +1178,11 @@ Příkaz je spuštěn když:
 <source>Last x days:</source>
 <target>Posledních dní:</target>
 
-<source>Ignore errors</source>
-<target>Přeskočit chyby</target>
-
-<source>Retry count:</source>
-<target>Počet opakování:</target>
-
-<source>Delay (in seconds):</source>
-<target>Prodleva (v sekundách):</target>
+<source>&Override default log path:</source>
+<target>&Nahradit výchozí cestu žurnálu:</target>
 
-<source>Run a command after synchronization:</source>
-<target>Po dokončení synchronizace spustit příkaz:</target>
+<source>Run a command:</source>
+<target>Spustit příkaz:</target>
 
 <source>OK</source>
 <target>OK</target>
@@ -1196,6 +1232,9 @@ Příkaz je spuštěn když:
 <source>Directory on server:</source>
 <target>Adresář na serveru:</target>
 
+<source>Access timeout (in seconds):</source>
+<target>Časový limit přístupu (v sekundách):</target>
+
 <source>SFTP channels per connection:</source>
 <target>SFTP kanálů na spojení:</target>
 
@@ -1274,12 +1313,6 @@ Příkaz je spuštěn když:
 <source>Stop synchronization at first error</source>
 <target>Ukončit synchronizaci při první chybě</target>
 
-<source>Save log:</source>
-<target>Uložit žurnál:</target>
-
-<source>Limit number of log files:</source>
-<target>Omezit množství žurnálů:</target>
-
 <source>How can I schedule a batch job?</source>
 <target>Jak nastavit spouštění dávky?</target>
 
@@ -1313,8 +1346,11 @@ This guarantees a consistent state even in case of a serious error.
 <source>Show all permanently hidden dialogs and warning messages again</source>
 <target>Zobrazit znovu všechny trvale skryté dialogy a varovná hlášení</target>
 
-<source>Remove old log files after x days:</source>
-<target></target>
+<source>Default log path:</source>
+<target>Výchozí cesta žurnálu:</target>
+
+<source>&Delete logs after x days:</source>
+<target>&Smazat žurnály po (dnech):</target>
 
 <source>Customize context menu:</source>
 <target>Přizpůsobit kontextovou nabídku:</target>
@@ -1325,8 +1361,8 @@ This guarantees a consistent state even in case of a serious error.
 <source>&Default</source>
 <target>&Předdefinované</target>
 
-<source>Feedback and suggestions are welcome</source>
-<target>Komentáře a náměty jsou vždy vítány</target>
+<source>Feedback and suggestions are welcome:</source>
+<target>Komentáře a náměty jsou vždy vítány:</target>
 
 <source>Home page</source>
 <target>Navštivte</target>
@@ -1352,8 +1388,8 @@ This guarantees a consistent state even in case of a serious error.
 <source>Source code written in C++ using:</source>
 <target>Zdrojový kód byl napsán kompletně v C++ pomocí:</target>
 
-<source>Published under the GNU General Public License</source>
-<target>Vydáno pod GNU General Public License (GPL)</target>
+<source>Published under the GNU General Public License:</source>
+<target>Vydáno pod GNU General Public License (GPL):</target>
 
 <source>Many thanks for localization:</source>
 <target>Poděkování za překlad FreeFileSync:</target>
@@ -1410,7 +1446,7 @@ This guarantees a consistent state even in case of a serious error.
 <target>Info</target>
 
 <source>No log entries</source>
-<target></target>
+<target>Žádné záznamy</target>
 
 <source>Select all</source>
 <target>Vybrat vše</target>
@@ -1436,6 +1472,9 @@ This guarantees a consistent state even in case of a serious error.
 <source>Overview</source>
 <target>Přehled</target>
 
+<source>Swap sides</source>
+<target>Změna stran</target>
+
 <source>Show "%x"</source>
 <target>Zobrazit "%x"</target>
 
@@ -1614,9 +1653,6 @@ This guarantees a consistent state even in case of a serious error.
 <source>Show filtered or temporarily excluded files</source>
 <target>Zobrazit filtrované nebo dočasně vynechané soubory</target>
 
-<source>Save as default</source>
-<target>Uložit jako výchozí</target>
-
 <source>Filter</source>
 <target>Filtr</target>
 
@@ -1967,12 +2003,6 @@ This guarantees a consistent state even in case of a serious error.
 <source>Checking recycle bin failed for folder %x.</source>
 <target>Selhala kontrola Koše pro složku %x.</target>
 
-<source>The following XML elements could not be read:</source>
-<target>Nelze načíst následující XML elementy:</target>
-
-<source>Configuration file %x is incomplete. The missing elements will be set to their default values.</source>
-<target>Konfigurační soubor %x je nekompletní. Chybějící položky budou nahrazeny výchozími hodnotami.</target>
-
 <source>Prepare installation</source>
 <target>Příprava instalace</target>
 
diff --git a/FreeFileSync/Build/Languages/danish.lng b/FreeFileSync/Build/Languages/danish.lng
index fe6ed455..c3ed5775 100755
--- a/FreeFileSync/Build/Languages/danish.lng
+++ b/FreeFileSync/Build/Languages/danish.lng
@@ -160,6 +160,9 @@
 <source>Items differ in attributes only</source>
 <target>Enhederne har kun attributter til forskel</target>
 
+<source>The name %x is used by more than one item in the folder.</source>
+<target>Navnet %x bruges af flere emner i mappen.</target>
+
 <source>Resolving symbolic link %x</source>
 <target>Løser symbolsk link %x</target>
 
@@ -187,9 +190,6 @@
 <source>File time tolerance</source>
 <target>Tidstolerance</target>
 
-<source>Folder access timeout</source>
-<target>Tidsgrænse mappeadgang</target>
-
 <source>Run with background priority</source>
 <target>Kør med baggrundsprioritet</target>
 
@@ -334,8 +334,11 @@
 <source>Update attributes on right</source>
 <target>Opdater attributter mod højre</target>
 
-<source>Warning</source>
-<target>Advarsel</target>
+<source>Errors:</source>
+<target>Fejl:</target>
+
+<source>Warnings:</source>
+<target>Advarsler:</target>
 
 <source>Items processed:</source>
 <target>Emner behandlet:</target>
@@ -346,6 +349,9 @@
 <source>Total time:</source>
 <target>Samlet tid:</target>
 
+<source>Warning</source>
+<target>Advarsel</target>
+
 <source>Stopped</source>
 <target>Afbrudt</target>
 
@@ -355,6 +361,21 @@
 <source>Error parsing file %x, row %y, column %z.</source>
 <target>Behandlingsfejl i filen %x, række %y, kolonne %z.</target>
 
+<source>Services</source>
+<target>Tjenester</target>
+
+<source>Show All</source>
+<target>Vis alle</target>
+
+<source>Hide Others</source>
+<target>Skjul andre</target>
+
+<source>Hide %x</source>
+<target>Skjul %x</target>
+
+<source>Quit %x</source>
+<target>Luk %x</target>
+
 <source>Cannot set directory locks for the following folders:</source>
 <target>Kan ikke sætte mappelåse for følgende mapper:</target>
 
@@ -370,11 +391,11 @@
 <source>Cannot read directory %x.</source>
 <target>Kan ikke læse mappen %x.</target>
 
-<source>/sec</source>
-<target>/sek</target>
+<source>%x/sec</source>
+<target>%x/sek</target>
 
-<source>%x items/sec</source>
-<target>%x emner/sek</target>
+<source>%x items</source>
+<target>%x emner</target>
 
 <source>Show in Explorer</source>
 <target>Åben filplacering</target>
@@ -523,11 +544,11 @@
 <source>Generating database...</source>
 <target>Opretter database...</target>
 
-<source>Searching for excess file versions:</source>
-<target>Finder overskredne filversioner:</target>
+<source>Searching for old file versions:</source>
+<target>Søger efter gamle filversioner:</target>
 
-<source>Removing excess file versions:</source>
-<target>Fjerner overskredne filversioner:</target>
+<source>Removing old file versions:</source>
+<target>Fjerner gamle filversioner:</target>
 
 <source>Unable to create time stamp for versioning:</source>
 <target>Kan ikke oprette tidsstempel til versionering:</target>
@@ -585,6 +606,24 @@ Aktuel: %y byte
 <source>Unable to move %x to the recycle bin.</source>
 <target>Kunne ikke flytte %x til papirkurv.</target>
 
+<source>Unable to access %x.</source>
+<target>Kan ikke tilgå %x.</target>
+
+<source>Authentication completed.</source>
+<target>Godkendelse gennemført.</target>
+
+<source>Authentication failed.</source>
+<target>Godkendelse fejlede.</target>
+
+<source>You may close this page now and continue with FreeFileSync.</source>
+<target>Du kan lukke siden og returnere til FreeFileSync.</target>
+
+<source>The server returned an error:</source>
+<target>Serverfejl:</target>
+
+<source>Cannot determine free disk space for %x.</source>
+<target>Kan ikke definere ledig plads på %x.</target>
+
 <source>Cannot find %x.</source>
 <target>Kan ikke finde %x.</target>
 
@@ -597,18 +636,12 @@ Aktuel: %y byte
 <source>Cannot delete symbolic link %x.</source>
 <target>Kan ikke slette det symbolske link %x.</target>
 
-<source>Cannot determine free disk space for %x.</source>
-<target>Kan ikke definere ledig plads på %x.</target>
-
 <source>Incorrect command line:</source>
 <target>Ugyldig kommando:</target>
 
 <source>The server does not support authentication via %x.</source>
 <target>Serveren støtter ikke godkendelse via %x.</target>
 
-<source>Unable to access %x.</source>
-<target>Kan ikke tilgå %x.</target>
-
 <source>
 <pluralform>Operation timed out after 1 second.</pluralform>
 <pluralform>Operation timed out after %x seconds.</pluralform>
@@ -633,24 +666,6 @@ Aktuel: %y byte
 <source>Failed to open SFTP channel number %x.</source>
 <target>Fejl ved åbning af SFTP kanal nr. %x.</target>
 
-<source>
-<pluralform>1 byte</pluralform>
-<pluralform>%x bytes</pluralform>
-</source>
-<target>
-<pluralform>1 byte</pluralform>
-<pluralform>%x byte</pluralform>
-</target>
-
-<source>%x MB</source>
-<target>%x MB</target>
-
-<source>%x KB</source>
-<target>%x KB</target>
-
-<source>%x GB</source>
-<target>%x GB</target>
-
 <source>Drag && drop</source>
 <target>Træk emner hertil</target>
 
@@ -764,6 +779,24 @@ Kommandoen udføres hvis:
 <source>&Retry</source>
 <target>&Prøv igen</target>
 
+<source>
+<pluralform>1 byte</pluralform>
+<pluralform>%x bytes</pluralform>
+</source>
+<target>
+<pluralform>1 byte</pluralform>
+<pluralform>%x byte</pluralform>
+</target>
+
+<source>%x MB</source>
+<target>%x MB</target>
+
+<source>%x KB</source>
+<target>%x KB</target>
+
+<source>%x GB</source>
+<target>%x GB</target>
+
 <source>Loading...</source>
 <target>Indlæser...</target>
 
@@ -909,7 +942,7 @@ Kommandoen udføres hvis:
 <target>Gem som &batchfil...</target>
 
 <source>Show &log</source>
-<target></target>
+<target>Vis &log</target>
 
 <source>Start &comparison</source>
 <target>Start &analyse</target>
@@ -971,9 +1004,6 @@ Kommandoen udføres hvis:
 <source>Access online storage</source>
 <target>Åben onlinelager</target>
 
-<source>Swap sides</source>
-<target>Byt side</target>
-
 <source>Close search bar</source>
 <target>Luk søgelinie</target>
 
@@ -998,6 +1028,9 @@ Kommandoen udføres hvis:
 <source>View type:</source>
 <target>Visning:</target>
 
+<source>Save as default</source>
+<target>Gem som standard</target>
+
 <source>Select view:</source>
 <target>Vælg visning:</target>
 
@@ -1055,6 +1088,15 @@ Kommandoen udføres hvis:
 <source>Handle daylight saving time</source>
 <target>Tag hensyn til sommertid</target>
 
+<source>Ignore errors</source>
+<target>Ignorér fejl</target>
+
+<source>Retry count:</source>
+<target>Antal forsøg:</target>
+
+<source>Delay (in seconds):</source>
+<target>Forsinkelse (sek):</target>
+
 <source>Performance improvements:</source>
 <target>Ydelsesforbedring:</target>
 
@@ -1129,17 +1171,11 @@ Kommandoen udføres hvis:
 <source>Last x days:</source>
 <target>Sidste x dage:</target>
 
-<source>Ignore errors</source>
-<target>Ignorér fejl</target>
-
-<source>Retry count:</source>
-<target>Antal forsøg:</target>
-
-<source>Delay (in seconds):</source>
-<target>Forsinkelse (sek):</target>
+<source>&Override default log path:</source>
+<target>&Tilpas logplacering:</target>
 
-<source>Run a command after synchronization:</source>
-<target>Kør kommando efter synkronisering:</target>
+<source>Run a command:</source>
+<target>Kør kommando:</target>
 
 <source>OK</source>
 <target>OK</target>
@@ -1189,6 +1225,9 @@ Kommandoen udføres hvis:
 <source>Directory on server:</source>
 <target>Servermappe:</target>
 
+<source>Access timeout (in seconds):</source>
+<target>Timeout (sekunder):</target>
+
 <source>SFTP channels per connection:</source>
 <target>SFTP kanaler pr. forbindelse:</target>
 
@@ -1267,12 +1306,6 @@ Kommandoen udføres hvis:
 <source>Stop synchronization at first error</source>
 <target>Stop synkronisering ved første fejl</target>
 
-<source>Save log:</source>
-<target>Gem log:</target>
-
-<source>Limit number of log files:</source>
-<target>Begræns antal logfiler:</target>
-
 <source>How can I schedule a batch job?</source>
 <target>Hvordan oprettes en batchfil?</target>
 
@@ -1309,8 +1342,11 @@ Sikrer processen ved alvorlige fejl.
 <source>Show all permanently hidden dialogs and warning messages again</source>
 <target>Vis skjulte advarsler og beskeder igen</target>
 
-<source>Remove old log files after x days:</source>
-<target></target>
+<source>Default log path:</source>
+<target>Logplacering:</target>
+
+<source>&Delete logs after x days:</source>
+<target>&Slet logs efter x dage:</target>
 
 <source>Customize context menu:</source>
 <target>Tilpas kontekstmenu:</target>
@@ -1321,8 +1357,8 @@ Sikrer processen ved alvorlige fejl.
 <source>&Default</source>
 <target>S&tandard</target>
 
-<source>Feedback and suggestions are welcome</source>
-<target>Kritik og forslag er meget velkomne</target>
+<source>Feedback and suggestions are welcome:</source>
+<target>Kritik og foreslag er meget velkomne:</target>
 
 <source>Home page</source>
 <target>Hjemmeside</target>
@@ -1348,8 +1384,8 @@ Sikrer processen ved alvorlige fejl.
 <source>Source code written in C++ using:</source>
 <target>Kildekoden er skrevet i C++ med hjælp fra:</target>
 
-<source>Published under the GNU General Public License</source>
-<target>Udgivet under GNU General Public Licence</target>
+<source>Published under the GNU General Public License:</source>
+<target>Udgivet under GNU General Public License:</target>
 
 <source>Many thanks for localization:</source>
 <target>Tak for oversættelse til:</target>
@@ -1406,7 +1442,7 @@ Sikrer processen ved alvorlige fejl.
 <target>Info</target>
 
 <source>No log entries</source>
-<target></target>
+<target>Ingen logemner</target>
 
 <source>Select all</source>
 <target>Vælg alt</target>
@@ -1432,6 +1468,9 @@ Sikrer processen ved alvorlige fejl.
 <source>Overview</source>
 <target>Oversigt</target>
 
+<source>Swap sides</source>
+<target>Byt side</target>
+
 <source>Show "%x"</source>
 <target>Vis "%x"</target>
 
@@ -1606,9 +1645,6 @@ Sikrer processen ved alvorlige fejl.
 <source>Show filtered or temporarily excluded files</source>
 <target>Vis filtrerede eller midlertidigt ekskluderede filer</target>
 
-<source>Save as default</source>
-<target>Gem som standard</target>
-
 <source>Filter</source>
 <target>Filter</target>
 
@@ -1954,12 +1990,6 @@ Sikrer processen ved alvorlige fejl.
 <source>Checking recycle bin failed for folder %x.</source>
 <target>Check papirkurv fejlede for mappen %x.</target>
 
-<source>The following XML elements could not be read:</source>
-<target>Kunne ikke læse følgende XML emner:</target>
-
-<source>Configuration file %x is incomplete. The missing elements will be set to their default values.</source>
-<target>Indstillingsfilen %x er ikke komplet. Manglende elementer sættes til standard.</target>
-
 <source>Prepare installation</source>
 <target>Forbereder installering</target>
 
diff --git a/FreeFileSync/Build/Languages/dutch.lng b/FreeFileSync/Build/Languages/dutch.lng
index b68a5d70..74467d30 100755
--- a/FreeFileSync/Build/Languages/dutch.lng
+++ b/FreeFileSync/Build/Languages/dutch.lng
@@ -101,7 +101,7 @@
 <target>globaal configuratiebestand:</target>
 
 <source>Any number of FreeFileSync "ffs_gui" and/or "ffs_batch" configuration files.</source>
-<target>Een willekeurig aantal FreeFileSync. ffs_gui en/of "ffs_batch" configuratiebestanden.</target>
+<target>Een willekeurig aantal FreeFileSync "ffs_gui" en/of "ffs_batch" configuratiebestanden.</target>
 
 <source>Any number of alternative directory pairs for at most one config file.</source>
 <target>Een willekeurig aantal alternatieve mapparen voor maximaal een configuratiebestand.</target>
@@ -160,6 +160,9 @@
 <source>Items differ in attributes only</source>
 <target>De items verschillen alleen in de kenmerken</target>
 
+<source>The name %x is used by more than one item in the folder.</source>
+<target>De naam %x wordt gebruikt door meer dan één item in de map.</target>
+
 <source>Resolving symbolic link %x</source>
 <target>Symbolische link %x oplossen</target>
 
@@ -187,9 +190,6 @@
 <source>File time tolerance</source>
 <target>Tolerantie bestandstijd</target>
 
-<source>Folder access timeout</source>
-<target>Time-out map toegang</target>
-
 <source>Run with background priority</source>
 <target>Uitvoeren met achtergrond prioriteit</target>
 
@@ -334,8 +334,11 @@
 <source>Update attributes on right</source>
 <target>Update kenmerken aan de rechterzijde</target>
 
-<source>Warning</source>
-<target>Waarschuwing</target>
+<source>Errors:</source>
+<target>Fouten:</target>
+
+<source>Warnings:</source>
+<target>Waarschuwingen:</target>
 
 <source>Items processed:</source>
 <target>Items verwerkt:</target>
@@ -346,6 +349,9 @@
 <source>Total time:</source>
 <target>Totale tijd:</target>
 
+<source>Warning</source>
+<target>Waarschuwing</target>
+
 <source>Stopped</source>
 <target>Gestopt</target>
 
@@ -355,6 +361,21 @@
 <source>Error parsing file %x, row %y, column %z.</source>
 <target>Fout bij het analyseren van bestand %x, rij %y, kolom %z.</target>
 
+<source>Services</source>
+<target>Diensten</target>
+
+<source>Show All</source>
+<target>Toon alles</target>
+
+<source>Hide Others</source>
+<target>Verberg anderen</target>
+
+<source>Hide %x</source>
+<target>Verberg %x</target>
+
+<source>Quit %x</source>
+<target>Sluit %x</target>
+
 <source>Cannot set directory locks for the following folders:</source>
 <target>Kan map vergrendelingen niet instellen voor de volgende mappen:</target>
 
@@ -370,11 +391,11 @@
 <source>Cannot read directory %x.</source>
 <target>Kan de map %x niet lezen.</target>
 
-<source>/sec</source>
-<target>/sec</target>
+<source>%x/sec</source>
+<target>%x/sec</target>
 
-<source>%x items/sec</source>
-<target>%x items/sec</target>
+<source>%x items</source>
+<target>%x items</target>
 
 <source>Show in Explorer</source>
 <target>In Explorer weergeven</target>
@@ -523,11 +544,11 @@
 <source>Generating database...</source>
 <target>Genereren database...</target>
 
-<source>Searching for excess file versions:</source>
-<target>Zoeken naar overtollige bestandsversies:</target>
+<source>Searching for old file versions:</source>
+<target>Naar oude bestandsversies zoeken:</target>
 
-<source>Removing excess file versions:</source>
-<target>Overmatige bestandsversies verwijderen:</target>
+<source>Removing old file versions:</source>
+<target>Oude bestandsversies verwijderen:</target>
 
 <source>Unable to create time stamp for versioning:</source>
 <target>Kan geen tijdstempel maken voor versiebeheer:</target>
@@ -585,6 +606,24 @@ Werkelijk: %y bytes
 <source>Unable to move %x to the recycle bin.</source>
 <target>Niet in staat om %x naar de prullenbak te verplaatsen.</target>
 
+<source>Unable to access %x.</source>
+<target>Geen toegang tot %x.</target>
+
+<source>Authentication completed.</source>
+<target>Authenticatie voltooid.</target>
+
+<source>Authentication failed.</source>
+<target>Verificatie mislukt.</target>
+
+<source>You may close this page now and continue with FreeFileSync.</source>
+<target>U kunt deze pagina nu sluiten en doorgaan met FreeFileSync.</target>
+
+<source>The server returned an error:</source>
+<target>De server heeft een fout teruggestuurd:</target>
+
+<source>Cannot determine free disk space for %x.</source>
+<target>Kan de vrije schijfruimte voor %x niet bepalen.</target>
+
 <source>Cannot find %x.</source>
 <target>Kan %x niet vinden.</target>
 
@@ -597,18 +636,12 @@ Werkelijk: %y bytes
 <source>Cannot delete symbolic link %x.</source>
 <target>Kan de symbolische koppeling %x niet verwijderen.</target>
 
-<source>Cannot determine free disk space for %x.</source>
-<target>Kan de vrije schijfruimte voor %x niet bepalen.</target>
-
 <source>Incorrect command line:</source>
 <target>Onjuiste opdrachtregel:</target>
 
 <source>The server does not support authentication via %x.</source>
 <target>De server ondersteunt geen verificatie via %x.</target>
 
-<source>Unable to access %x.</source>
-<target>Geen toegang tot %x.</target>
-
 <source>
 <pluralform>Operation timed out after 1 second.</pluralform>
 <pluralform>Operation timed out after %x seconds.</pluralform>
@@ -633,24 +666,6 @@ Werkelijk: %y bytes
 <source>Failed to open SFTP channel number %x.</source>
 <target>Fout bij het openen van SFTP kanaalnummer %x.</target>
 
-<source>
-<pluralform>1 byte</pluralform>
-<pluralform>%x bytes</pluralform>
-</source>
-<target>
-<pluralform>1 byte</pluralform>
-<pluralform>%x bytes</pluralform>
-</target>
-
-<source>%x MB</source>
-<target>%x MB</target>
-
-<source>%x KB</source>
-<target>%x KB</target>
-
-<source>%x GB</source>
-<target>%x GB</target>
-
 <source>Drag && drop</source>
 <target>Slepen && neerzetten</target>
 
@@ -764,6 +779,24 @@ De opdracht wordt geactiveerd als:
 <source>&Retry</source>
 <target>&Probeer opnieuw</target>
 
+<source>
+<pluralform>1 byte</pluralform>
+<pluralform>%x bytes</pluralform>
+</source>
+<target>
+<pluralform>1 byte</pluralform>
+<pluralform>%x bytes</pluralform>
+</target>
+
+<source>%x MB</source>
+<target>%x MB</target>
+
+<source>%x KB</source>
+<target>%x KB</target>
+
+<source>%x GB</source>
+<target>%x GB</target>
+
 <source>Loading...</source>
 <target>Laden...</target>
 
@@ -867,7 +900,7 @@ De opdracht wordt geactiveerd als:
 <target>Lokale vergelijking instellingen</target>
 
 <source>Local synchronization settings</source>
-<target>Lokale synchronisatie-instellingen</target>
+<target>Lokale synchronisatie instellingen</target>
 
 <source>Local filter</source>
 <target>Lokaal filter</target>
@@ -909,7 +942,7 @@ De opdracht wordt geactiveerd als:
 <target>Opslaan als &batchverwerking...</target>
 
 <source>Show &log</source>
-<target></target>
+<target>Bekijk &logbestand</target>
 
 <source>Start &comparison</source>
 <target>Start &vergelijking</target>
@@ -971,9 +1004,6 @@ De opdracht wordt geactiveerd als:
 <source>Access online storage</source>
 <target>Toegang tot online opslag</target>
 
-<source>Swap sides</source>
-<target>Verwisselen van zijden</target>
-
 <source>Close search bar</source>
 <target>Sluit de zoekbalk</target>
 
@@ -998,6 +1028,9 @@ De opdracht wordt geactiveerd als:
 <source>View type:</source>
 <target>Type bekijken:</target>
 
+<source>Save as default</source>
+<target>Opslaan als standaard</target>
+
 <source>Select view:</source>
 <target>Selecteer weergave:</target>
 
@@ -1055,6 +1088,15 @@ De opdracht wordt geactiveerd als:
 <source>Handle daylight saving time</source>
 <target>Zomertijd gebruiken</target>
 
+<source>Ignore errors</source>
+<target>Negeer fouten</target>
+
+<source>Retry count:</source>
+<target>Probeer opnieuw te tellen:</target>
+
+<source>Delay (in seconds):</source>
+<target>Vertraging (in seconden):</target>
+
 <source>Performance improvements:</source>
 <target>Prestatieverbeteringen:</target>
 
@@ -1129,17 +1171,11 @@ De opdracht wordt geactiveerd als:
 <source>Last x days:</source>
 <target>Laatste x dagen:</target>
 
-<source>Ignore errors</source>
-<target>Negeer fouten</target>
-
-<source>Retry count:</source>
-<target>Probeer opnieuw te tellen:</target>
-
-<source>Delay (in seconds):</source>
-<target>Vertraging (in seconden):</target>
+<source>&Override default log path:</source>
+<target>&Overschrijf standaard logboekpad:</target>
 
-<source>Run a command after synchronization:</source>
-<target>Voer een opdracht uit na de synchronisatie:</target>
+<source>Run a command:</source>
+<target>Voer een opdracht uit:</target>
 
 <source>OK</source>
 <target>OK</target>
@@ -1181,7 +1217,7 @@ De opdracht wordt geactiveerd als:
 <target>Gebruikersnaam:</target>
 
 <source>Private key file:</source>
-<target>Prive-sleutel bestand:</target>
+<target>Prive sleutelbestand:</target>
 
 <source>&Show password</source>
 <target>&Toon wachtwoord</target>
@@ -1189,6 +1225,9 @@ De opdracht wordt geactiveerd als:
 <source>Directory on server:</source>
 <target>Map op de server:</target>
 
+<source>Access timeout (in seconds):</source>
+<target>Toegang timeout (in seconden):</target>
+
 <source>SFTP channels per connection:</source>
 <target>SFTP kanalen per verbinding:</target>
 
@@ -1267,12 +1306,6 @@ De opdracht wordt geactiveerd als:
 <source>Stop synchronization at first error</source>
 <target>Synchronisatie bij eerste fout stoppen</target>
 
-<source>Save log:</source>
-<target>Logbestand opslaan:</target>
-
-<source>Limit number of log files:</source>
-<target>Beperk het aantal logbestanden:</target>
-
 <source>How can I schedule a batch job?</source>
 <target>Hoe kan ik een batchverwerking plannen?</target>
 
@@ -1309,8 +1342,11 @@ Dit garandeert een consistente status zelfs in het geval van een ernstige fout.
 <source>Show all permanently hidden dialogs and warning messages again</source>
 <target>Alle permanent verborgen dialogen en waarschuwingsberichten opnieuw weergeven</target>
 
-<source>Remove old log files after x days:</source>
-<target></target>
+<source>Default log path:</source>
+<target>Standaard logboek pad:</target>
+
+<source>&Delete logs after x days:</source>
+<target>&Verwijder logboeken na x dagen:</target>
 
 <source>Customize context menu:</source>
 <target>Contextmenu aanpassen:</target>
@@ -1321,8 +1357,8 @@ Dit garandeert een consistente status zelfs in het geval van een ernstige fout.
 <source>&Default</source>
 <target>&Standaard</target>
 
-<source>Feedback and suggestions are welcome</source>
-<target>Terugkoppeling en suggesties zijn welkom</target>
+<source>Feedback and suggestions are welcome:</source>
+<target>Terugkoppeling en suggesties zijn welkom:</target>
 
 <source>Home page</source>
 <target>Startpagina</target>
@@ -1348,8 +1384,8 @@ Dit garandeert een consistente status zelfs in het geval van een ernstige fout.
 <source>Source code written in C++ using:</source>
 <target>Broncode werd in C++ geschreven met:</target>
 
-<source>Published under the GNU General Public License</source>
-<target>Gepubliceerd onder de GNU General Public License</target>
+<source>Published under the GNU General Public License:</source>
+<target>Gepubliceerd onder de GNU General Public License:</target>
 
 <source>Many thanks for localization:</source>
 <target>Hartelijk dank voor de lokalisatie:</target>
@@ -1379,7 +1415,7 @@ Dit garandeert een consistente status zelfs in het geval van een ernstige fout.
 <target>Markeer configuraties die niet meer dan het volgende aantal dagen zijn uitgevoerd:</target>
 
 <source>Synchronization Settings</source>
-<target>Synchronisatie-instellingen</target>
+<target>Synchronisatie instellingen</target>
 
 <source>Access Online Storage</source>
 <target>Toegang Online Opslag</target>
@@ -1406,7 +1442,7 @@ Dit garandeert een consistente status zelfs in het geval van een ernstige fout.
 <target>Info</target>
 
 <source>No log entries</source>
-<target></target>
+<target>Geen vermeldingen in het logboek</target>
 
 <source>Select all</source>
 <target>Alles selecteren</target>
@@ -1432,6 +1468,9 @@ Dit garandeert een consistente status zelfs in het geval van een ernstige fout.
 <source>Overview</source>
 <target>Overzicht</target>
 
+<source>Swap sides</source>
+<target>Verwisselen van zijden</target>
+
 <source>Show "%x"</source>
 <target>Toon "%x"</target>
 
@@ -1606,9 +1645,6 @@ Dit garandeert een consistente status zelfs in het geval van een ernstige fout.
 <source>Show filtered or temporarily excluded files</source>
 <target>Toon gefilterde of tijdelijk uitgesloten bestanden</target>
 
-<source>Save as default</source>
-<target>Opslaan als standaard</target>
-
 <source>Filter</source>
 <target>Filter</target>
 
@@ -1954,12 +1990,6 @@ Dit garandeert een consistente status zelfs in het geval van een ernstige fout.
 <source>Checking recycle bin failed for folder %x.</source>
 <target>Controle van de prullenbak voor map %x is mislukt.</target>
 
-<source>The following XML elements could not be read:</source>
-<target>De volgende XML-elementen kunnen niet worden gelezen:</target>
-
-<source>Configuration file %x is incomplete. The missing elements will be set to their default values.</source>
-<target>Configuratiebestand %x is onvolledig. De ontbrekende elementen worden ingesteld op hun standaardwaarden.</target>
-
 <source>Prepare installation</source>
 <target>Installatie voorbereiden</target>
 
diff --git a/FreeFileSync/Build/Languages/english_uk.lng b/FreeFileSync/Build/Languages/english_uk.lng
index 23785c8e..9b2c4f75 100755
--- a/FreeFileSync/Build/Languages/english_uk.lng
+++ b/FreeFileSync/Build/Languages/english_uk.lng
@@ -7,15 +7,6 @@
 	<plural_definition>n == 1 ? 0 : 1</plural_definition>
 </header>
 
-<source>No log entries</source>
-<target></target>
-
-<source>Remove old log files after x days:</source>
-<target></target>
-
-<source>Show &log</source>
-<target></target>
-
 <source>Both sides have changed since last synchronization.</source>
 <target>Both sides have changed since last synchronisation.</target>
 
@@ -169,6 +160,9 @@
 <source>Items differ in attributes only</source>
 <target>Items differ in attributes only</target>
 
+<source>The name %x is used by more than one item in the folder.</source>
+<target>The name %x is used by more than one item in the folder.</target>
+
 <source>Resolving symbolic link %x</source>
 <target>Resolving symbolic link %x</target>
 
@@ -196,9 +190,6 @@
 <source>File time tolerance</source>
 <target>File time tolerance</target>
 
-<source>Folder access timeout</source>
-<target>Folder access timeout</target>
-
 <source>Run with background priority</source>
 <target>Run with background priority</target>
 
@@ -343,8 +334,11 @@
 <source>Update attributes on right</source>
 <target>Update attributes on right</target>
 
-<source>Warning</source>
-<target>Warning</target>
+<source>Errors:</source>
+<target>Errors:</target>
+
+<source>Warnings:</source>
+<target>Warnings:</target>
 
 <source>Items processed:</source>
 <target>Elements processed:</target>
@@ -355,6 +349,9 @@
 <source>Total time:</source>
 <target>Total time:</target>
 
+<source>Warning</source>
+<target>Warning</target>
+
 <source>Stopped</source>
 <target>Stopped</target>
 
@@ -364,6 +361,21 @@
 <source>Error parsing file %x, row %y, column %z.</source>
 <target>Error parsing file %x, row %y, column %z.</target>
 
+<source>Services</source>
+<target>Services</target>
+
+<source>Show All</source>
+<target>Show All</target>
+
+<source>Hide Others</source>
+<target>Hide Others</target>
+
+<source>Hide %x</source>
+<target>Hide %x</target>
+
+<source>Quit %x</source>
+<target>Quit %x</target>
+
 <source>Cannot set directory locks for the following folders:</source>
 <target>Cannot set directory locks for the following folders:</target>
 
@@ -379,11 +391,11 @@
 <source>Cannot read directory %x.</source>
 <target>Cannot read directory %x.</target>
 
-<source>/sec</source>
-<target>/sec</target>
+<source>%x/sec</source>
+<target>%x/sec</target>
 
-<source>%x items/sec</source>
-<target>%x items/sec</target>
+<source>%x items</source>
+<target>%x items</target>
 
 <source>Show in Explorer</source>
 <target>Show in Explorer</target>
@@ -532,11 +544,11 @@
 <source>Generating database...</source>
 <target>Generating database...</target>
 
-<source>Searching for excess file versions:</source>
-<target>Searching for excess file versions:</target>
+<source>Searching for old file versions:</source>
+<target>Searching for old file versions:</target>
 
-<source>Removing excess file versions:</source>
-<target>Removing excess file versions:</target>
+<source>Removing old file versions:</source>
+<target>Removing old file versions:</target>
 
 <source>Unable to create time stamp for versioning:</source>
 <target>Unable to create time stamp for versioning:</target>
@@ -594,6 +606,24 @@ Actual: %y bytes
 <source>Unable to move %x to the recycle bin.</source>
 <target>Unable to move %x to the recycle bin.</target>
 
+<source>Unable to access %x.</source>
+<target>Unable to access %x.</target>
+
+<source>Authentication completed.</source>
+<target>Authentication completed.</target>
+
+<source>Authentication failed.</source>
+<target>Authentication failed.</target>
+
+<source>You may close this page now and continue with FreeFileSync.</source>
+<target>You may close this page now and continue with FreeFileSync.</target>
+
+<source>The server returned an error:</source>
+<target>The server returned an error:</target>
+
+<source>Cannot determine free disk space for %x.</source>
+<target>Cannot determine free disk space for %x.</target>
+
 <source>Cannot find %x.</source>
 <target>Cannot find %x.</target>
 
@@ -606,18 +636,12 @@ Actual: %y bytes
 <source>Cannot delete symbolic link %x.</source>
 <target>Cannot delete symbolic link %x.</target>
 
-<source>Cannot determine free disk space for %x.</source>
-<target>Cannot determine free disk space for %x.</target>
-
 <source>Incorrect command line:</source>
 <target>Incorrect command line:</target>
 
 <source>The server does not support authentication via %x.</source>
 <target>The server does not support authentication via %x.</target>
 
-<source>Unable to access %x.</source>
-<target>Unable to access %x.</target>
-
 <source>
 <pluralform>Operation timed out after 1 second.</pluralform>
 <pluralform>Operation timed out after %x seconds.</pluralform>
@@ -642,24 +666,6 @@ Actual: %y bytes
 <source>Failed to open SFTP channel number %x.</source>
 <target>Failed to open SFTP channel number %x.</target>
 
-<source>
-<pluralform>1 byte</pluralform>
-<pluralform>%x bytes</pluralform>
-</source>
-<target>
-<pluralform>1 byte</pluralform>
-<pluralform>%x bytes</pluralform>
-</target>
-
-<source>%x MB</source>
-<target>%x MB</target>
-
-<source>%x KB</source>
-<target>%x KB</target>
-
-<source>%x GB</source>
-<target>%x GB</target>
-
 <source>Drag && drop</source>
 <target>Drag && drop</target>
 
@@ -773,6 +779,24 @@ The command is triggered if:
 <source>&Retry</source>
 <target>&Retry</target>
 
+<source>
+<pluralform>1 byte</pluralform>
+<pluralform>%x bytes</pluralform>
+</source>
+<target>
+<pluralform>1 byte</pluralform>
+<pluralform>%x bytes</pluralform>
+</target>
+
+<source>%x MB</source>
+<target>%x MB</target>
+
+<source>%x KB</source>
+<target>%x KB</target>
+
+<source>%x GB</source>
+<target>%x GB</target>
+
 <source>Loading...</source>
 <target>Loading...</target>
 
@@ -917,6 +941,9 @@ The command is triggered if:
 <source>Save as &batch job...</source>
 <target>Save as &batch job...</target>
 
+<source>Show &log</source>
+<target>Show &log</target>
+
 <source>Start &comparison</source>
 <target>Start &comparison</target>
 
@@ -977,9 +1004,6 @@ The command is triggered if:
 <source>Access online storage</source>
 <target>Access online storage</target>
 
-<source>Swap sides</source>
-<target>Swap sides</target>
-
 <source>Close search bar</source>
 <target>Close search bar</target>
 
@@ -1004,6 +1028,9 @@ The command is triggered if:
 <source>View type:</source>
 <target>View type:</target>
 
+<source>Save as default</source>
+<target>Save as default</target>
+
 <source>Select view:</source>
 <target>Select view:</target>
 
@@ -1061,6 +1088,15 @@ The command is triggered if:
 <source>Handle daylight saving time</source>
 <target>Handle daylight saving time</target>
 
+<source>Ignore errors</source>
+<target>Ignore errors</target>
+
+<source>Retry count:</source>
+<target>Retry count:</target>
+
+<source>Delay (in seconds):</source>
+<target>Delay (in seconds):</target>
+
 <source>Performance improvements:</source>
 <target>Performance improvements:</target>
 
@@ -1135,17 +1171,11 @@ The command is triggered if:
 <source>Last x days:</source>
 <target>Last x days:</target>
 
-<source>Ignore errors</source>
-<target>Ignore errors</target>
-
-<source>Retry count:</source>
-<target>Retry count:</target>
+<source>&Override default log path:</source>
+<target>&Override default log path:</target>
 
-<source>Delay (in seconds):</source>
-<target>Delay (in seconds):</target>
-
-<source>Run a command after synchronization:</source>
-<target>Run a command after synchronization:</target>
+<source>Run a command:</source>
+<target>Run a command:</target>
 
 <source>OK</source>
 <target>OK</target>
@@ -1195,6 +1225,9 @@ The command is triggered if:
 <source>Directory on server:</source>
 <target>Directory on server:</target>
 
+<source>Access timeout (in seconds):</source>
+<target>Access timeout (in seconds):</target>
+
 <source>SFTP channels per connection:</source>
 <target>SFTP channels per connection:</target>
 
@@ -1273,12 +1306,6 @@ The command is triggered if:
 <source>Stop synchronization at first error</source>
 <target>Stop synchronisation at first error</target>
 
-<source>Save log:</source>
-<target>Save log:</target>
-
-<source>Limit number of log files:</source>
-<target>Limit number of log files:</target>
-
 <source>How can I schedule a batch job?</source>
 <target>How can I schedule a batch job?</target>
 
@@ -1315,6 +1342,12 @@ This guarantees a consistent state even in case of a serious error.
 <source>Show all permanently hidden dialogs and warning messages again</source>
 <target>Show all permanently hidden dialogues and warning messages again</target>
 
+<source>Default log path:</source>
+<target>Default log path:</target>
+
+<source>&Delete logs after x days:</source>
+<target>&Delete logs after x days:</target>
+
 <source>Customize context menu:</source>
 <target>Customise context menu:</target>
 
@@ -1324,8 +1357,8 @@ This guarantees a consistent state even in case of a serious error.
 <source>&Default</source>
 <target>&Default</target>
 
-<source>Feedback and suggestions are welcome</source>
-<target>Feedback and suggestions are welcome</target>
+<source>Feedback and suggestions are welcome:</source>
+<target>Feedback and suggestions are welcome:</target>
 
 <source>Home page</source>
 <target>Home page</target>
@@ -1351,8 +1384,8 @@ This guarantees a consistent state even in case of a serious error.
 <source>Source code written in C++ using:</source>
 <target>Source code written in C++ using:</target>
 
-<source>Published under the GNU General Public License</source>
-<target>Published under the GNU General Public Licence</target>
+<source>Published under the GNU General Public License:</source>
+<target>Published under the GNU General Public License:</target>
 
 <source>Many thanks for localization:</source>
 <target>Many thanks for localisation:</target>
@@ -1408,6 +1441,9 @@ This guarantees a consistent state even in case of a serious error.
 <source>Info</source>
 <target>Info</target>
 
+<source>No log entries</source>
+<target>No log entries</target>
+
 <source>Select all</source>
 <target>Select all</target>
 
@@ -1432,6 +1468,9 @@ This guarantees a consistent state even in case of a serious error.
 <source>Overview</source>
 <target>Overview</target>
 
+<source>Swap sides</source>
+<target>Swap sides</target>
+
 <source>Show "%x"</source>
 <target>Show "%x"</target>
 
@@ -1606,9 +1645,6 @@ This guarantees a consistent state even in case of a serious error.
 <source>Show filtered or temporarily excluded files</source>
 <target>Show filtered or temporarily excluded files</target>
 
-<source>Save as default</source>
-<target>Save as default</target>
-
 <source>Filter</source>
 <target>Filter</target>
 
@@ -1954,12 +1990,6 @@ This guarantees a consistent state even in case of a serious error.
 <source>Checking recycle bin failed for folder %x.</source>
 <target>Checking recycle bin failed for folder %x.</target>
 
-<source>The following XML elements could not be read:</source>
-<target>The following XML elements could not be read:</target>
-
-<source>Configuration file %x is incomplete. The missing elements will be set to their default values.</source>
-<target>Configuration file %x is incomplete. The missing elements will be set to their default values.</target>
-
 <source>Prepare installation</source>
 <target>Prepare installation</target>
 
diff --git a/FreeFileSync/Build/Languages/french.lng b/FreeFileSync/Build/Languages/french.lng
index fe53e352..ca08d5b3 100755
--- a/FreeFileSync/Build/Languages/french.lng
+++ b/FreeFileSync/Build/Languages/french.lng
@@ -160,6 +160,9 @@
 <source>Items differ in attributes only</source>
 <target>Seuls les attributs des éléments diffèrent</target>
 
+<source>The name %x is used by more than one item in the folder.</source>
+<target>Le nom %x est utilisé par plusieurs éléments du dossier.</target>
+
 <source>Resolving symbolic link %x</source>
 <target>Résolution du lien symbolique %x</target>
 
@@ -187,9 +190,6 @@
 <source>File time tolerance</source>
 <target>Tolérance horaire</target>
 
-<source>Folder access timeout</source>
-<target>Dépassement du délai d'accès au dossier</target>
-
 <source>Run with background priority</source>
 <target>Exécution avec la priorité de tâche de fond.</target>
 
@@ -334,8 +334,11 @@
 <source>Update attributes on right</source>
 <target>Mise à jour des attributs à droite</target>
 
-<source>Warning</source>
-<target>Attention</target>
+<source>Errors:</source>
+<target>Erreurs :</target>
+
+<source>Warnings:</source>
+<target>Avertissements :</target>
 
 <source>Items processed:</source>
 <target>Élements traités :</target>
@@ -346,6 +349,9 @@
 <source>Total time:</source>
 <target>Durée totale :</target>
 
+<source>Warning</source>
+<target>Attention</target>
+
 <source>Stopped</source>
 <target>Arrêté</target>
 
@@ -355,6 +361,21 @@
 <source>Error parsing file %x, row %y, column %z.</source>
 <target>Erreur lors de l'analyse du fichier %x, ligne %y, colonne %z.</target>
 
+<source>Services</source>
+<target>Services</target>
+
+<source>Show All</source>
+<target>Tout afficher</target>
+
+<source>Hide Others</source>
+<target>Masquer les autres</target>
+
+<source>Hide %x</source>
+<target>Masquer %x</target>
+
+<source>Quit %x</source>
+<target>Quitter %x</target>
+
 <source>Cannot set directory locks for the following folders:</source>
 <target>Impossible de verrouiller les répertoires des dossiers suivants :</target>
 
@@ -370,11 +391,11 @@
 <source>Cannot read directory %x.</source>
 <target>Impossible de lire le répertoire %x.</target>
 
-<source>/sec</source>
-<target>/sec</target>
+<source>%x/sec</source>
+<target>%x/sec</target>
 
-<source>%x items/sec</source>
-<target>%x éléments/sec</target>
+<source>%x items</source>
+<target>%x éléments</target>
 
 <source>Show in Explorer</source>
 <target>Montrer dans l'explorateur</target>
@@ -523,11 +544,11 @@
 <source>Generating database...</source>
 <target>Génération de la base de données ...</target>
 
-<source>Searching for excess file versions:</source>
-<target>Recherche des versions de fichiers excédentaires :</target>
+<source>Searching for old file versions:</source>
+<target>Recherche d'anciennes versions :</target>
 
-<source>Removing excess file versions:</source>
-<target>Suppression des versions de fichiers excédentaires :</target>
+<source>Removing old file versions:</source>
+<target>Suppression d'anciennes versions :</target>
 
 <source>Unable to create time stamp for versioning:</source>
 <target>Impossible de générer l'horodatage pour la gestion des versions :</target>
@@ -585,6 +606,24 @@ Trouvé : %y octets
 <source>Unable to move %x to the recycle bin.</source>
 <target>Impossible de déplacer %x dans la Corbeille.</target>
 
+<source>Unable to access %x.</source>
+<target>Impossible d'accéder à %x.</target>
+
+<source>Authentication completed.</source>
+<target>Identification terminée.</target>
+
+<source>Authentication failed.</source>
+<target>Echec de l'identification.</target>
+
+<source>You may close this page now and continue with FreeFileSync.</source>
+<target>Vous pouvez fermer cette page maintenant et poursuivre avec FreeFileSync.</target>
+
+<source>The server returned an error:</source>
+<target>Le serveur a renvoyé une erreur :</target>
+
+<source>Cannot determine free disk space for %x.</source>
+<target>Impossible  de calculer l'espace libre du disque %x.</target>
+
 <source>Cannot find %x.</source>
 <target>Impossible de trouver %x.</target>
 
@@ -597,18 +636,12 @@ Trouvé : %y octets
 <source>Cannot delete symbolic link %x.</source>
 <target>Impossible de supprimer le lien symbolique %x.</target>
 
-<source>Cannot determine free disk space for %x.</source>
-<target>Impossible  de calculer l'espace libre du disque %x.</target>
-
 <source>Incorrect command line:</source>
 <target>Ligne de commande incorrecte :</target>
 
 <source>The server does not support authentication via %x.</source>
 <target>Le serveur refuse l'authentification par %x.</target>
 
-<source>Unable to access %x.</source>
-<target>Impossible d'accéder à %x.</target>
-
 <source>
 <pluralform>Operation timed out after 1 second.</pluralform>
 <pluralform>Operation timed out after %x seconds.</pluralform>
@@ -633,24 +666,6 @@ Trouvé : %y octets
 <source>Failed to open SFTP channel number %x.</source>
 <target>Impossible d'ouvrir le port SFTP %x.</target>
 
-<source>
-<pluralform>1 byte</pluralform>
-<pluralform>%x bytes</pluralform>
-</source>
-<target>
-<pluralform>%x octet</pluralform>
-<pluralform>%x octets</pluralform>
-</target>
-
-<source>%x MB</source>
-<target>%x Mo</target>
-
-<source>%x KB</source>
-<target>%x Ko</target>
-
-<source>%x GB</source>
-<target>%x Go</target>
-
 <source>Drag && drop</source>
 <target>Glisser && Déposer</target>
 
@@ -764,6 +779,24 @@ La commande est déclenchée si :
 <source>&Retry</source>
 <target>&Réessayer</target>
 
+<source>
+<pluralform>1 byte</pluralform>
+<pluralform>%x bytes</pluralform>
+</source>
+<target>
+<pluralform>%x octet</pluralform>
+<pluralform>%x octets</pluralform>
+</target>
+
+<source>%x MB</source>
+<target>%x Mo</target>
+
+<source>%x KB</source>
+<target>%x Ko</target>
+
+<source>%x GB</source>
+<target>%x Go</target>
+
 <source>Loading...</source>
 <target>Chargement ...</target>
 
@@ -909,7 +942,7 @@ La commande est déclenchée si :
 <target>Enregistrer en tant que fichier de &commandes ...</target>
 
 <source>Show &log</source>
-<target></target>
+<target>Afficher &journal</target>
 
 <source>Start &comparison</source>
 <target>Démarrer la &comparaison</target>
@@ -971,9 +1004,6 @@ La commande est déclenchée si :
 <source>Access online storage</source>
 <target>Accès au stockage en ligne</target>
 
-<source>Swap sides</source>
-<target>Permuter les côtés</target>
-
 <source>Close search bar</source>
 <target>Fermer la barre de recherche</target>
 
@@ -998,6 +1028,9 @@ La commande est déclenchée si :
 <source>View type:</source>
 <target>Type de vue :</target>
 
+<source>Save as default</source>
+<target>Sauvegarde par défaut</target>
+
 <source>Select view:</source>
 <target>Choisir la vue :</target>
 
@@ -1055,6 +1088,15 @@ La commande est déclenchée si :
 <source>Handle daylight saving time</source>
 <target>Gérer l'heure d'été</target>
 
+<source>Ignore errors</source>
+<target>Ignorer les erreurs</target>
+
+<source>Retry count:</source>
+<target>Nombre de tentatives :</target>
+
+<source>Delay (in seconds):</source>
+<target>Délai (en secondes) :</target>
+
 <source>Performance improvements:</source>
 <target>Amélioration des performances :</target>
 
@@ -1129,17 +1171,11 @@ La commande est déclenchée si :
 <source>Last x days:</source>
 <target>Derniers x jours :</target>
 
-<source>Ignore errors</source>
-<target>Ignorer les erreurs</target>
-
-<source>Retry count:</source>
-<target>Nombre de tentatives :</target>
-
-<source>Delay (in seconds):</source>
-<target>Délai (en secondes) :</target>
+<source>&Override default log path:</source>
+<target>&Remplacer le chemin par défaut du journal :</target>
 
-<source>Run a command after synchronization:</source>
-<target>Exécuter une commande après la synchronisation :</target>
+<source>Run a command:</source>
+<target>Éxecuter une commande :</target>
 
 <source>OK</source>
 <target>OK</target>
@@ -1189,6 +1225,9 @@ La commande est déclenchée si :
 <source>Directory on server:</source>
 <target>Répertoire sur le serveur :</target>
 
+<source>Access timeout (in seconds):</source>
+<target>Délai d'accès (en secondes) :</target>
+
 <source>SFTP channels per connection:</source>
 <target>Ports SFTP par connexion :</target>
 
@@ -1267,12 +1306,6 @@ La commande est déclenchée si :
 <source>Stop synchronization at first error</source>
 <target>Arrêter la synchronisation à la première erreur</target>
 
-<source>Save log:</source>
-<target>Sauvegarde du fichier log :</target>
-
-<source>Limit number of log files:</source>
-<target>Limiter le nombre de journaux :</target>
-
 <source>How can I schedule a batch job?</source>
 <target>Comment planifier un fichier de commandes ?</target>
 
@@ -1309,8 +1342,11 @@ Cela garantit la cohérence du système de fichiers en cas d'erreur grave.
 <source>Show all permanently hidden dialogs and warning messages again</source>
 <target>Réafficher en permanence les boîtes de dialogue et les avertissements</target>
 
-<source>Remove old log files after x days:</source>
-<target></target>
+<source>Default log path:</source>
+<target>Chemin du journal par défaut :</target>
+
+<source>&Delete logs after x days:</source>
+<target>&Supprimer les journaux après x jours :</target>
 
 <source>Customize context menu:</source>
 <target>Personnaliser le menu contextuel :</target>
@@ -1321,8 +1357,8 @@ Cela garantit la cohérence du système de fichiers en cas d'erreur grave.
 <source>&Default</source>
 <target>&Défaut</target>
 
-<source>Feedback and suggestions are welcome</source>
-<target>Vos commentaires et vos suggestions sont les bienvenus</target>
+<source>Feedback and suggestions are welcome:</source>
+<target>Commentaires et suggestions sont les bienvenus :</target>
 
 <source>Home page</source>
 <target>Page d'accueil</target>
@@ -1348,8 +1384,8 @@ Cela garantit la cohérence du système de fichiers en cas d'erreur grave.
 <source>Source code written in C++ using:</source>
 <target>Code source écrit en C++ utilisant :</target>
 
-<source>Published under the GNU General Public License</source>
-<target>Publié sous licence GNU General Public License</target>
+<source>Published under the GNU General Public License:</source>
+<target>Publié sous licence publique générale GNU :</target>
 
 <source>Many thanks for localization:</source>
 <target>Un grand merci pour la traduction à :</target>
@@ -1406,7 +1442,7 @@ Cela garantit la cohérence du système de fichiers en cas d'erreur grave.
 <target>Info</target>
 
 <source>No log entries</source>
-<target></target>
+<target>Aucune entrée journal</target>
 
 <source>Select all</source>
 <target>Tout sélectionner</target>
@@ -1432,6 +1468,9 @@ Cela garantit la cohérence du système de fichiers en cas d'erreur grave.
 <source>Overview</source>
 <target>Aperçu</target>
 
+<source>Swap sides</source>
+<target>Permuter les côtés</target>
+
 <source>Show "%x"</source>
 <target>Afficher "%x"</target>
 
@@ -1606,9 +1645,6 @@ Cela garantit la cohérence du système de fichiers en cas d'erreur grave.
 <source>Show filtered or temporarily excluded files</source>
 <target>Afficher les fichiers filtrés ou temporairement exclus</target>
 
-<source>Save as default</source>
-<target>Sauvegarde par défaut</target>
-
 <source>Filter</source>
 <target>Filtre</target>
 
@@ -1954,12 +1990,6 @@ Cela garantit la cohérence du système de fichiers en cas d'erreur grave.
 <source>Checking recycle bin failed for folder %x.</source>
 <target>Échec de la vérification de la Corbeille pour le dossier %x.</target>
 
-<source>The following XML elements could not be read:</source>
-<target>Les éléments XML suivants ne peuvent être lus :</target>
-
-<source>Configuration file %x is incomplete. The missing elements will be set to their default values.</source>
-<target>Le fichier de configuration %x est incomplet. Les éléments manquants sont fixés à leur valeur par défaut.</target>
-
 <source>Prepare installation</source>
 <target>Préparation de l'installation</target>
 
diff --git a/FreeFileSync/Build/Languages/german.lng b/FreeFileSync/Build/Languages/german.lng
index 4b79745a..093be509 100755
--- a/FreeFileSync/Build/Languages/german.lng
+++ b/FreeFileSync/Build/Languages/german.lng
@@ -7,21 +7,6 @@
 	<plural_definition>n == 1 ? 0 : 1</plural_definition>
 </header>
 
-<source>Access timeout (in seconds):</source>
-<target>Zeitlimit für Zugriff(in Sekunden):</target>
-
-<source>The server returned an error:</source>
-<target>Der Server hat einen Fehler zurückgegeben:</target>
-
-<source>You may close this page now and continue with FreeFileSync.</source>
-<target>Sie können diese Seite nun schließen und mit FreeFileSync fortfahren.</target>
-
-<source>Authentication failed.</source>
-<target>Authentifizierung fehlgeschlagen.</target>
-
-<source>Authentication completed.</source>
-<target>Authentifizierung abgeschlossen.</target>
-
 <source>Both sides have changed since last synchronization.</source>
 <target>Beide Seiten wurden seit der letzten Synchronisation verändert.</target>
 
@@ -175,6 +160,9 @@
 <source>Items differ in attributes only</source>
 <target>Die Elemente unterscheiden sich nur in Attributen</target>
 
+<source>The name %x is used by more than one item in the folder.</source>
+<target>Der Name %x wird von mehr als einem Element im Ordner verwendet.</target>
+
 <source>Resolving symbolic link %x</source>
 <target>Folge der symbolischen Verknüpfung %x</target>
 
@@ -346,8 +334,11 @@
 <source>Update attributes on right</source>
 <target>Aktualisiere Attribute des rechten Elements</target>
 
-<source>Warning</source>
-<target>Warnung</target>
+<source>Errors:</source>
+<target>Fehler:</target>
+
+<source>Warnings:</source>
+<target>Warnungen:</target>
 
 <source>Items processed:</source>
 <target>Verarbeitete Elemente:</target>
@@ -358,6 +349,9 @@
 <source>Total time:</source>
 <target>Gesamtzeit:</target>
 
+<source>Warning</source>
+<target>Warnung</target>
+
 <source>Stopped</source>
 <target>Gestoppt</target>
 
@@ -367,6 +361,21 @@
 <source>Error parsing file %x, row %y, column %z.</source>
 <target>Fehler beim Auswerten der Datei %x, Zeile %y, Spalte %z.</target>
 
+<source>Services</source>
+<target>Dienste</target>
+
+<source>Show All</source>
+<target>Alle einblenden</target>
+
+<source>Hide Others</source>
+<target>Andere ausblenden</target>
+
+<source>Hide %x</source>
+<target>%x ausblenden</target>
+
+<source>Quit %x</source>
+<target>%x beenden</target>
+
 <source>Cannot set directory locks for the following folders:</source>
 <target>Die Verzeichnissperren können für die folgenden Ordner nicht gesetzt werden:</target>
 
@@ -382,11 +391,11 @@
 <source>Cannot read directory %x.</source>
 <target>Das Verzeichnis %x kann nicht gelesen werden.</target>
 
-<source>/sec</source>
-<target>/sek</target>
+<source>%x/sec</source>
+<target>%x/sek</target>
 
-<source>%x items/sec</source>
-<target>%x Elemente/sek</target>
+<source>%x items</source>
+<target>%x Elemente</target>
 
 <source>Show in Explorer</source>
 <target>Im Explorer anzeigen</target>
@@ -535,11 +544,11 @@
 <source>Generating database...</source>
 <target>Erzeuge Synchronisationsdatenbank...</target>
 
-<source>Searching for excess file versions:</source>
-<target>Suche überzählige Dateiversionen:</target>
+<source>Searching for old file versions:</source>
+<target>Suche alte Dateiversionen:</target>
 
-<source>Removing excess file versions:</source>
-<target>Entferne überzählige Dateiversionen:</target>
+<source>Removing old file versions:</source>
+<target>Entferne alte Dateiversionen:</target>
 
 <source>Unable to create time stamp for versioning:</source>
 <target>Der Zeitstempel für die Versionierung kann nicht erstellt werden:</target>
@@ -600,6 +609,18 @@ Tatsächlich: %y bytes
 <source>Unable to access %x.</source>
 <target>Auf %x kann nicht zugegriffen werden.</target>
 
+<source>Authentication completed.</source>
+<target>Authentifizierung abgeschlossen.</target>
+
+<source>Authentication failed.</source>
+<target>Authentifizierung fehlgeschlagen.</target>
+
+<source>You may close this page now and continue with FreeFileSync.</source>
+<target>Sie können diese Seite nun schließen und mit FreeFileSync fortfahren.</target>
+
+<source>The server returned an error:</source>
+<target>Der Server hat einen Fehler zurückgegeben:</target>
+
 <source>Cannot determine free disk space for %x.</source>
 <target>Der freie Speicherplatz für %x konnte nicht ermittelt werden.</target>
 
@@ -983,9 +1004,6 @@ Die Befehlszeile wird ausgelöst, wenn:
 <source>Access online storage</source>
 <target>Auf Onlinespeicher zugreifen</target>
 
-<source>Swap sides</source>
-<target>Seiten vertauschen</target>
-
 <source>Close search bar</source>
 <target>Suchleiste schließen</target>
 
@@ -1010,6 +1028,9 @@ Die Befehlszeile wird ausgelöst, wenn:
 <source>View type:</source>
 <target>Ansichtstyp:</target>
 
+<source>Save as default</source>
+<target>Als Standard speichern</target>
+
 <source>Select view:</source>
 <target>Ansicht wählen:</target>
 
@@ -1153,8 +1174,8 @@ Die Befehlszeile wird ausgelöst, wenn:
 <source>&Override default log path:</source>
 <target>&Standardprotokollpfad überschreiben:</target>
 
-<source>Run a command after synchronization:</source>
-<target>Befehl nach Synchronisation ausführen:</target>
+<source>Run a command:</source>
+<target>Befehl ausführen:</target>
 
 <source>OK</source>
 <target>OK</target>
@@ -1204,6 +1225,9 @@ Die Befehlszeile wird ausgelöst, wenn:
 <source>Directory on server:</source>
 <target>Verzeichnis auf Server:</target>
 
+<source>Access timeout (in seconds):</source>
+<target>Zeitlimit für Zugriff(in Sekunden):</target>
+
 <source>SFTP channels per connection:</source>
 <target>SFTP Kanäle je Verbindung:</target>
 
@@ -1321,8 +1345,8 @@ Dadurch wird ein konsistenter Datenstand auch bei schweren Fehlern garantiert.
 <source>Default log path:</source>
 <target>Standardprotokollpfad:</target>
 
-<source>Remove old log files after x days:</source>
-<target>Alte Protokolldateien nach x Tagen entfernen:</target>
+<source>&Delete logs after x days:</source>
+<target>&Protokolldateien nach x Tagen löschen:</target>
 
 <source>Customize context menu:</source>
 <target>Kontextmenü anpassen:</target>
@@ -1333,8 +1357,8 @@ Dadurch wird ein konsistenter Datenstand auch bei schweren Fehlern garantiert.
 <source>&Default</source>
 <target>&Standard</target>
 
-<source>Feedback and suggestions are welcome</source>
-<target>Feedback und Vorschläge sind willkommen</target>
+<source>Feedback and suggestions are welcome:</source>
+<target>Hinweise und Vorschläge sind willkommen:</target>
 
 <source>Home page</source>
 <target>Homepage</target>
@@ -1360,8 +1384,8 @@ Dadurch wird ein konsistenter Datenstand auch bei schweren Fehlern garantiert.
 <source>Source code written in C++ using:</source>
 <target>Der Quellcode wurde in C++ geschrieben mit:</target>
 
-<source>Published under the GNU General Public License</source>
-<target>Veröffentlicht unter der Allgemeinen Öffentlichen GNU-Lizenz</target>
+<source>Published under the GNU General Public License:</source>
+<target>Veröffentlicht unter der Allgemeinen Öffentlichen GNU-Lizenz:</target>
 
 <source>Many thanks for localization:</source>
 <target>Vielen Dank für die Lokalisation:</target>
@@ -1444,6 +1468,9 @@ Dadurch wird ein konsistenter Datenstand auch bei schweren Fehlern garantiert.
 <source>Overview</source>
 <target>Übersicht</target>
 
+<source>Swap sides</source>
+<target>Seiten vertauschen</target>
+
 <source>Show "%x"</source>
 <target>Zeige "%x"</target>
 
@@ -1618,9 +1645,6 @@ Dadurch wird ein konsistenter Datenstand auch bei schweren Fehlern garantiert.
 <source>Show filtered or temporarily excluded files</source>
 <target>Gefilterte oder temporär ausgeschlossene Dateien zeigen</target>
 
-<source>Save as default</source>
-<target>Als Standard speichern</target>
-
 <source>Filter</source>
 <target>Filter</target>
 
diff --git a/FreeFileSync/Build/Languages/greek.lng b/FreeFileSync/Build/Languages/greek.lng
index c09db39b..ab0c8dfb 100755
--- a/FreeFileSync/Build/Languages/greek.lng
+++ b/FreeFileSync/Build/Languages/greek.lng
@@ -160,6 +160,9 @@
 <source>Items differ in attributes only</source>
 <target>Τα στοιχεία διαφέρουν μόνο ως προς τα χαρακτηριστικά τους</target>
 
+<source>The name %x is used by more than one item in the folder.</source>
+<target>Το όνομα %x χρησιμοποιείται για περισσότερα από ένα αρχεία στον φάκελο.</target>
+
 <source>Resolving symbolic link %x</source>
 <target>Επίλυση του συμβολικού συνδέσμου %x</target>
 
@@ -187,9 +190,6 @@
 <source>File time tolerance</source>
 <target>Ανοχή στην ημερομηνία αρχείου</target>
 
-<source>Folder access timeout</source>
-<target>Χρονικό όριο πρόσβασης στο φάκελο</target>
-
 <source>Run with background priority</source>
 <target>Εκτέλεση με προτεραιότητα παρασκηνίου</target>
 
@@ -334,8 +334,11 @@
 <source>Update attributes on right</source>
 <target>Ενημέρωση των χαρακτηριστικών στα δεξιά</target>
 
-<source>Warning</source>
-<target>Προειδοποίηση</target>
+<source>Errors:</source>
+<target>Σφάλματα:</target>
+
+<source>Warnings:</source>
+<target>Προειδοποιήσεις:</target>
 
 <source>Items processed:</source>
 <target>Επεξεργάστηκαν στοιχεία:</target>
@@ -346,6 +349,9 @@
 <source>Total time:</source>
 <target>Συνολική διάρκεια:</target>
 
+<source>Warning</source>
+<target>Προειδοποίηση</target>
+
 <source>Stopped</source>
 <target>Διακοπή</target>
 
@@ -355,6 +361,21 @@
 <source>Error parsing file %x, row %y, column %z.</source>
 <target>Σφάλμα κατά την ανάλυση του αρχείου %x, γραμμή %y, στήλη %z.</target>
 
+<source>Services</source>
+<target>Υπηρεσίες</target>
+
+<source>Show All</source>
+<target>Εμφάνιση Όλων</target>
+
+<source>Hide Others</source>
+<target>Απόκρυψη Άλλων</target>
+
+<source>Hide %x</source>
+<target>Απόκρυψη %x</target>
+
+<source>Quit %x</source>
+<target>Έξοδος από %x</target>
+
 <source>Cannot set directory locks for the following folders:</source>
 <target>Δεν μπορούν να κλειδωθούν οι ακόλουθοι υποκατάλογοι:</target>
 
@@ -370,11 +391,11 @@
 <source>Cannot read directory %x.</source>
 <target>Δεν μπορεί να γίνει ανάγνωση του καταλόγου %x.</target>
 
-<source>/sec</source>
-<target>/δευτερόλεπτο</target>
+<source>%x/sec</source>
+<target>%x/δευτερόλεπτο</target>
 
-<source>%x items/sec</source>
-<target>%x στοιχεία/δευτερόλεπτο</target>
+<source>%x items</source>
+<target>%x στοιχεία</target>
 
 <source>Show in Explorer</source>
 <target>Εμφάνιση στην Εξερεύνηση</target>
@@ -523,11 +544,11 @@
 <source>Generating database...</source>
 <target>Δημιουργία βάσης δεδομένων...</target>
 
-<source>Searching for excess file versions:</source>
-<target>Αναζήτηση υπεράριθμων παλιών εκδόσεων:</target>
+<source>Searching for old file versions:</source>
+<target>Αναζήτηση παλιών εκδόσεων των αρχείων:</target>
 
-<source>Removing excess file versions:</source>
-<target>Αφαίρεση υπεράριθμων παλιών εκδόσεων:</target>
+<source>Removing old file versions:</source>
+<target>Διαγραφή παλιών εκδόσεων των αρχείων:</target>
 
 <source>Unable to create time stamp for versioning:</source>
 <target>Δεν ήταν δυνατή η δημιουργία χρονικής σήμανσης για τη διατήρηση παλιών εκδόσεων:</target>
@@ -585,6 +606,24 @@ Actual: %y bytes
 <source>Unable to move %x to the recycle bin.</source>
 <target>Δεν ήταν δυνατή η μεταφορά του %x στον κάδο ανακύκλωσης.</target>
 
+<source>Unable to access %x.</source>
+<target>Δεν είναι δυνατή η πρόσβαση στο %x.</target>
+
+<source>Authentication completed.</source>
+<target>Ολοκληρώθηκε η επαλήθευση ταυτότητας.</target>
+
+<source>Authentication failed.</source>
+<target>Η επαλήθευση ταυτότητας απέτυχε.</target>
+
+<source>You may close this page now and continue with FreeFileSync.</source>
+<target>Τώρα μπορείτε να κλείσετε αυτή τη σελίδα και να συνεχίσετε το FreeFileSync.</target>
+
+<source>The server returned an error:</source>
+<target>Ο διακομιστής επέστρεψε το λάθος:</target>
+
+<source>Cannot determine free disk space for %x.</source>
+<target>Δεν μπορεί να υπολογιστεί ο ελεύθερος χώρος του δίσκου %x.</target>
+
 <source>Cannot find %x.</source>
 <target>Το %x δεν μπορεί να βρεθεί.</target>
 
@@ -597,17 +636,11 @@ Actual: %y bytes
 <source>Cannot delete symbolic link %x.</source>
 <target>Δεν μπορεί να διαγραφεί ο συμβολικός σύνδεσμος %x.</target>
 
-<source>Cannot determine free disk space for %x.</source>
-<target>Δεν μπορεί να υπολογιστεί ο ελεύθερος χώρος του δίσκου %x.</target>
-
 <source>Incorrect command line:</source>
 <target>Εσφαλμένη γραμμή εντολών:</target>
 
 <source>The server does not support authentication via %x.</source>
-<target>Ο εξυπηρετητής δεν υποστηρίζει πιστοποίηση μέσω %x.</target>
-
-<source>Unable to access %x.</source>
-<target>Δεν είναι δυνατή η πρόσβαση στο %x.</target>
+<target>Ο εξυπηρετητής δεν υποστηρίζει επαλήθευση ταυτότητας μέσω %x.</target>
 
 <source>
 <pluralform>Operation timed out after 1 second.</pluralform>
@@ -633,24 +666,6 @@ Actual: %y bytes
 <source>Failed to open SFTP channel number %x.</source>
 <target>Αποτυχία ανοίγματος του SFTP καναλιού με αριθμό %x.</target>
 
-<source>
-<pluralform>1 byte</pluralform>
-<pluralform>%x bytes</pluralform>
-</source>
-<target>
-<pluralform>1 byte</pluralform>
-<pluralform>%x bytes</pluralform>
-</target>
-
-<source>%x MB</source>
-<target>%x MB</target>
-
-<source>%x KB</source>
-<target>%x KB</target>
-
-<source>%x GB</source>
-<target>%x GB</target>
-
 <source>Drag && drop</source>
 <target>Μεταφορά && Απόθεση</target>
 
@@ -764,6 +779,24 @@ The command is triggered if:
 <source>&Retry</source>
 <target>&Επανάληψη</target>
 
+<source>
+<pluralform>1 byte</pluralform>
+<pluralform>%x bytes</pluralform>
+</source>
+<target>
+<pluralform>1 byte</pluralform>
+<pluralform>%x bytes</pluralform>
+</target>
+
+<source>%x MB</source>
+<target>%x MB</target>
+
+<source>%x KB</source>
+<target>%x KB</target>
+
+<source>%x GB</source>
+<target>%x GB</target>
+
 <source>Loading...</source>
 <target>Φόρτωση...</target>
 
@@ -909,7 +942,7 @@ The command is triggered if:
 <target>Αποθήκευση ως δέσ&μη ενεργειών...</target>
 
 <source>Show &log</source>
-<target></target>
+<target>Εμφάνιση αρχείου &καταγραφής</target>
 
 <source>Start &comparison</source>
 <target>Έ&ναρξη σύγκρισης</target>
@@ -971,9 +1004,6 @@ The command is triggered if:
 <source>Access online storage</source>
 <target>Πρόσβαση σε online χώρο αποθήκευσης</target>
 
-<source>Swap sides</source>
-<target>Ανταλλαγή πλευρών</target>
-
 <source>Close search bar</source>
 <target>Κλείσιμο γραμμής αναζήτησης</target>
 
@@ -998,6 +1028,9 @@ The command is triggered if:
 <source>View type:</source>
 <target>Τύπος εμφάνισης:</target>
 
+<source>Save as default</source>
+<target>Αποθήκευση ως προεπιλογής</target>
+
 <source>Select view:</source>
 <target>Επιλογή εμφάνισης:</target>
 
@@ -1055,6 +1088,15 @@ The command is triggered if:
 <source>Handle daylight saving time</source>
 <target>Διαχείριση θερινής ώρας</target>
 
+<source>Ignore errors</source>
+<target>Αγνόηση σφαλμάτων</target>
+
+<source>Retry count:</source>
+<target>Αριθμός προσπαθειών:</target>
+
+<source>Delay (in seconds):</source>
+<target>Καθυστέρηση (σε δευτερόλεπτα):</target>
+
 <source>Performance improvements:</source>
 <target>Βελτιώσεις της απόδοσης:</target>
 
@@ -1129,17 +1171,11 @@ The command is triggered if:
 <source>Last x days:</source>
 <target>Τις τελευταίες x μέρες:</target>
 
-<source>Ignore errors</source>
-<target>Αγνόηση σφαλμάτων</target>
-
-<source>Retry count:</source>
-<target>Αριθμός προσπαθειών:</target>
-
-<source>Delay (in seconds):</source>
-<target>Καθυστέρηση (σε δευτερόλεπτα):</target>
+<source>&Override default log path:</source>
+<target>&Παράκαμψη προεπιλεγμένης διαδρομής για το αρχείο καταγραφής:</target>
 
-<source>Run a command after synchronization:</source>
-<target>Εκτέλεση εντολής μετά το συγχρονισμό:</target>
+<source>Run a command:</source>
+<target>Εκτέλεση της εντολής:</target>
 
 <source>OK</source>
 <target>OK</target>
@@ -1166,7 +1202,7 @@ The command is triggered if:
 <target>&Ρητά SSL/TLS</target>
 
 <source>Authentication:</source>
-<target>Πιστοποίηση:</target>
+<target>Επαλήθευση ταυτότητας:</target>
 
 <source>&Password</source>
 <target>&Κωδικός πρόσβασης</target>
@@ -1189,6 +1225,9 @@ The command is triggered if:
 <source>Directory on server:</source>
 <target>Υποκατάλογος στον διακομιστή:</target>
 
+<source>Access timeout (in seconds):</source>
+<target>Χρονικό όριο σύνδεσης (σε δευτερόλεπτα):</target>
+
 <source>SFTP channels per connection:</source>
 <target>Αριθμός καναλιών SFTP ανά σύνδεση:</target>
 
@@ -1267,12 +1306,6 @@ The command is triggered if:
 <source>Stop synchronization at first error</source>
 <target>Διακοπή του συγχρονισμού με το πρώτο σφάλμα</target>
 
-<source>Save log:</source>
-<target>Αποθήκευση αρχείου καταγραφής:</target>
-
-<source>Limit number of log files:</source>
-<target>Περιορισμός αριθμού αρχείων καταγραφής:</target>
-
 <source>How can I schedule a batch job?</source>
 <target>Πώς μπορώ να προγραμματίσω μια εργασία με δέσμη ενεργειών;</target>
 
@@ -1309,8 +1342,11 @@ This guarantees a consistent state even in case of a serious error.
 <source>Show all permanently hidden dialogs and warning messages again</source>
 <target>Επανεμφάνιση όλων των μόνιμα κρυμμένων ειδοποιήσεων και προειδοποιητικών μηνυμάτων</target>
 
-<source>Remove old log files after x days:</source>
-<target></target>
+<source>Default log path:</source>
+<target>Προεπιλεγμένη διαδρομή για το αρχείο καταγραφής:</target>
+
+<source>&Delete logs after x days:</source>
+<target>&Διαγραφή των αρχείων καταγραφής μετά από x ημέρες:</target>
 
 <source>Customize context menu:</source>
 <target>Προσαρμογή μενού περιβάλλοντος:</target>
@@ -1321,8 +1357,8 @@ This guarantees a consistent state even in case of a serious error.
 <source>&Default</source>
 <target>&Προεπιλογή</target>
 
-<source>Feedback and suggestions are welcome</source>
-<target>Τα σχόλια και οι προτάσεις σας είναι ευπρόσδεκτα</target>
+<source>Feedback and suggestions are welcome:</source>
+<target>Σχόλια και προτάσεις είναι ευπρόσδεκτα:</target>
 
 <source>Home page</source>
 <target>Αρχική σελίδα</target>
@@ -1348,8 +1384,8 @@ This guarantees a consistent state even in case of a serious error.
 <source>Source code written in C++ using:</source>
 <target>Ο πηγαίος κώδικας γράφτηκε σε C++ χρησιμοποιώντας τα:</target>
 
-<source>Published under the GNU General Public License</source>
-<target>Διανέμεται υπό την Γενική Άδεια Δημόσιας Χρήσης GNU</target>
+<source>Published under the GNU General Public License:</source>
+<target>Δημοσιευμένο υπό την Γενική Άδεια Δημόσιας Χρήσης GNU:</target>
 
 <source>Many thanks for localization:</source>
 <target>Πολλές ευχαριστίες για τις μεταφράσεις:</target>
@@ -1406,7 +1442,7 @@ This guarantees a consistent state even in case of a serious error.
 <target>Πληροφορίες</target>
 
 <source>No log entries</source>
-<target></target>
+<target>Καμία καταγραφή</target>
 
 <source>Select all</source>
 <target>Επιλογή όλων</target>
@@ -1432,6 +1468,9 @@ This guarantees a consistent state even in case of a serious error.
 <source>Overview</source>
 <target>Σύνοψη</target>
 
+<source>Swap sides</source>
+<target>Ανταλλαγή πλευρών</target>
+
 <source>Show "%x"</source>
 <target>Εμφάνιση της γραμμής "%x"</target>
 
@@ -1606,9 +1645,6 @@ This guarantees a consistent state even in case of a serious error.
 <source>Show filtered or temporarily excluded files</source>
 <target>Εμφάνιση φιλτραρισμένων ή προσωρινά εξαιρεθέντων αρχείων</target>
 
-<source>Save as default</source>
-<target>Αποθήκευση ως προεπιλογής</target>
-
 <source>Filter</source>
 <target>Φίλτρο</target>
 
@@ -1954,12 +1990,6 @@ This guarantees a consistent state even in case of a serious error.
 <source>Checking recycle bin failed for folder %x.</source>
 <target>Ο έλεγχος του κάδου ανακύκλωσης απέτυχε για τον υποκατάλογο %x.</target>
 
-<source>The following XML elements could not be read:</source>
-<target>Τα ακόλουθα στοιχεία XML δεν ήταν δυνατό να αναγνωσθούν:</target>
-
-<source>Configuration file %x is incomplete. The missing elements will be set to their default values.</source>
-<target>Το αρχείο παραμέτρων %x είναι ατελές. Τα στοιχεία που λείπουν θα αντικατασταθούν με τις προεπιλεγμένες τιμές τους.</target>
-
 <source>Prepare installation</source>
 <target>Προετοιμασία εγκατάστασης</target>
 
diff --git a/FreeFileSync/Build/Languages/hebrew.lng b/FreeFileSync/Build/Languages/hebrew.lng
index 7885afd1..8327f635 100755
--- a/FreeFileSync/Build/Languages/hebrew.lng
+++ b/FreeFileSync/Build/Languages/hebrew.lng
@@ -7,15 +7,6 @@
 	<plural_definition>n == 1 ? 0 : 1</plural_definition>
 </header>
 
-<source>No log entries</source>
-<target></target>
-
-<source>Remove old log files after x days:</source>
-<target></target>
-
-<source>Show &log</source>
-<target></target>
-
 <source>Both sides have changed since last synchronization.</source>
 <target>שני הצדדים שונו מאז הסנכרון האחרון.</target>
 
@@ -169,6 +160,9 @@
 <source>Items differ in attributes only</source>
 <target>פריטים שונים בתכונות בלבד</target>
 
+<source>The name %x is used by more than one item in the folder.</source>
+<target>בשם %x נעשה שימוש יותר מפעם אחת בתיקייה.</target>
+
 <source>Resolving symbolic link %x</source>
 <target>פותר קישור סימבולי %x</target>
 
@@ -196,9 +190,6 @@
 <source>File time tolerance</source>
 <target>אפיצות זמן קובץ</target>
 
-<source>Folder access timeout</source>
-<target>זמן קצוב לגישה לתיייה</target>
-
 <source>Run with background priority</source>
 <target>בצע עם עדיפות רקע</target>
 
@@ -343,8 +334,11 @@
 <source>Update attributes on right</source>
 <target>עדכן תכונות בצד שמאל</target>
 
-<source>Warning</source>
-<target>אזהרה</target>
+<source>Errors:</source>
+<target>שגיאות:</target>
+
+<source>Warnings:</source>
+<target>אזהרות:</target>
 
 <source>Items processed:</source>
 <target>אלמנטים עובדו:</target>
@@ -355,6 +349,9 @@
 <source>Total time:</source>
 <target>זמן כולל:</target>
 
+<source>Warning</source>
+<target>אזהרה</target>
+
 <source>Stopped</source>
 <target>נעצר</target>
 
@@ -364,6 +361,21 @@
 <source>Error parsing file %x, row %y, column %z.</source>
 <target>שגיאה בפענוח קובץ %x, שורה %y, טור %z.</target>
 
+<source>Services</source>
+<target>שרותים</target>
+
+<source>Show All</source>
+<target>הראה הכל</target>
+
+<source>Hide Others</source>
+<target>מסתיר אחרים</target>
+
+<source>Hide %x</source>
+<target>מסתיר %x</target>
+
+<source>Quit %x</source>
+<target>יוצא %x</target>
+
 <source>Cannot set directory locks for the following folders:</source>
 <target>אין אפשרות להגדיר נעילות מחיצה עבור התיקיות הבאות:</target>
 
@@ -379,11 +391,11 @@
 <source>Cannot read directory %x.</source>
 <target>לא ניתן לקרוא מחיצה %x.</target>
 
-<source>/sec</source>
-<target>/שנ</target>
+<source>%x/sec</source>
+<target>%x /שניות</target>
 
-<source>%x items/sec</source>
-<target>%x פריטים לשניה</target>
+<source>%x items</source>
+<target>%x פריטים</target>
 
 <source>Show in Explorer</source>
 <target>הראה בסייר הקבצים</target>
@@ -532,11 +544,11 @@
 <source>Generating database...</source>
 <target>מייצר מסד נתונים...</target>
 
-<source>Searching for excess file versions:</source>
-<target>מחפש גרסאות קובץ עודפות:</target>
+<source>Searching for old file versions:</source>
+<target>מחפש גרסאות קובץ ישנות:</target>
 
-<source>Removing excess file versions:</source>
-<target>מסיר גרסאות קובץ עודפות:</target>
+<source>Removing old file versions:</source>
+<target>מסיר גרסאות קובץ ישנות:</target>
 
 <source>Unable to create time stamp for versioning:</source>
 <target>לא ניתן ליצור תג זמן לגרסאות:</target>
@@ -594,6 +606,24 @@ Actual: %y bytes
 <source>Unable to move %x to the recycle bin.</source>
 <target>לא יכול להעביר את %x לסל המחזור.</target>
 
+<source>Unable to access %x.</source>
+<target>לא ניתן לגשת אל %x.</target>
+
+<source>Authentication completed.</source>
+<target>האימות הושלם.</target>
+
+<source>Authentication failed.</source>
+<target>האימות נכשל.</target>
+
+<source>You may close this page now and continue with FreeFileSync.</source>
+<target>אתה יכול לסגור דף זה עכשיו ולהמשיך עם FreeFileSync.</target>
+
+<source>The server returned an error:</source>
+<target>השרת החזיר שגיאה:</target>
+
+<source>Cannot determine free disk space for %x.</source>
+<target>לא ניתן לקבוע שטח דיסק פנוי עבור %x.</target>
+
 <source>Cannot find %x.</source>
 <target>לא מוצא %x.</target>
 
@@ -606,18 +636,12 @@ Actual: %y bytes
 <source>Cannot delete symbolic link %x.</source>
 <target>לא ניתן למחוק קישור סימבולי %x.</target>
 
-<source>Cannot determine free disk space for %x.</source>
-<target>לא ניתן לקבוע שטח דיסק פנוי עבור %x.</target>
-
 <source>Incorrect command line:</source>
 <target>שורת פקודה לא תקינה:</target>
 
 <source>The server does not support authentication via %x.</source>
 <target>השרת אינו תומך באימות באמצעות %x.</target>
 
-<source>Unable to access %x.</source>
-<target>לא ניתן לגשת אל %x.</target>
-
 <source>
 <pluralform>Operation timed out after 1 second.</pluralform>
 <pluralform>Operation timed out after %x seconds.</pluralform>
@@ -642,24 +666,6 @@ Actual: %y bytes
 <source>Failed to open SFTP channel number %x.</source>
 <target>נכשלה פתיחת ערוץ SFTP מספר %x.</target>
 
-<source>
-<pluralform>1 byte</pluralform>
-<pluralform>%x bytes</pluralform>
-</source>
-<target>
-<pluralform>בית 1</pluralform>
-<pluralform>%x בתים</pluralform>
-</target>
-
-<source>%x MB</source>
-<target>%x מגה בייט</target>
-
-<source>%x KB</source>
-<target>%x קילו בייט</target>
-
-<source>%x GB</source>
-<target>%x גיגה בייט</target>
-
 <source>Drag && drop</source>
 <target>גרור ושחרר</target>
 
@@ -773,6 +779,24 @@ The command is triggered if:
 <source>&Retry</source>
 <target>&נסה שנית</target>
 
+<source>
+<pluralform>1 byte</pluralform>
+<pluralform>%x bytes</pluralform>
+</source>
+<target>
+<pluralform>בית 1</pluralform>
+<pluralform>%x בתים</pluralform>
+</target>
+
+<source>%x MB</source>
+<target>%x מגה בייט</target>
+
+<source>%x KB</source>
+<target>%x קילו בייט</target>
+
+<source>%x GB</source>
+<target>%x גיגה בייט</target>
+
 <source>Loading...</source>
 <target>טוען...</target>
 
@@ -917,6 +941,9 @@ The command is triggered if:
 <source>Save as &batch job...</source>
 <target>שמור כעבודת &אצווה...</target>
 
+<source>Show &log</source>
+<target>הצג &יומנים:</target>
+
 <source>Start &comparison</source>
 <target>התחל &והשווה</target>
 
@@ -977,9 +1004,6 @@ The command is triggered if:
 <source>Access online storage</source>
 <target>גש לאחסון מכוון</target>
 
-<source>Swap sides</source>
-<target>החלף צדדים</target>
-
 <source>Close search bar</source>
 <target>סגור סרגל חיפוש</target>
 
@@ -1004,6 +1028,9 @@ The command is triggered if:
 <source>View type:</source>
 <target>הצג סוג:</target>
 
+<source>Save as default</source>
+<target>שמור כברירת מחדל</target>
+
 <source>Select view:</source>
 <target>בחר תצוגה:</target>
 
@@ -1061,6 +1088,15 @@ The command is triggered if:
 <source>Handle daylight saving time</source>
 <target>התמודד עם שעון קיץ</target>
 
+<source>Ignore errors</source>
+<target>התעלם משגיאות</target>
+
+<source>Retry count:</source>
+<target>מונה נסיונות חוזרים:</target>
+
+<source>Delay (in seconds):</source>
+<target>השהייה (בשניות):</target>
+
 <source>Performance improvements:</source>
 <target>שיפורים בביצועים:</target>
 
@@ -1135,17 +1171,11 @@ The command is triggered if:
 <source>Last x days:</source>
 <target>x ימים אחרונים:</target>
 
-<source>Ignore errors</source>
-<target>התעלם משגיאות</target>
-
-<source>Retry count:</source>
-<target>מונה נסיונות חוזרים:</target>
+<source>&Override default log path:</source>
+<target>&דרוס נתיב ברירת מחדל של יומן:</target>
 
-<source>Delay (in seconds):</source>
-<target>השהייה (בשניות):</target>
-
-<source>Run a command after synchronization:</source>
-<target>הרץ פקודה לאחר סינכרון:</target>
+<source>Run a command:</source>
+<target>הפעל פקודה:</target>
 
 <source>OK</source>
 <target>אשר</target>
@@ -1195,6 +1225,9 @@ The command is triggered if:
 <source>Directory on server:</source>
 <target>מחיצה על שרת:</target>
 
+<source>Access timeout (in seconds):</source>
+<target>זמן קצוב לתפוגה (בשניות):</target>
+
 <source>SFTP channels per connection:</source>
 <target>ערוצי SFTP לחיבור:</target>
 
@@ -1273,12 +1306,6 @@ The command is triggered if:
 <source>Stop synchronization at first error</source>
 <target>עצור סנכרון עם הופעת שגיאה ראשונה</target>
 
-<source>Save log:</source>
-<target>שמור יומן:</target>
-
-<source>Limit number of log files:</source>
-<target>הגבל מספר של קבצי יומן:</target>
-
 <source>How can I schedule a batch job?</source>
 <target>כיצד לתזמן משימת אצווה?</target>
 
@@ -1315,6 +1342,12 @@ This guarantees a consistent state even in case of a serious error.
 <source>Show all permanently hidden dialogs and warning messages again</source>
 <target>הראה שוב את כל הדיאלוגים והודאות האזהרה המוסתרים באופן קבוע</target>
 
+<source>Default log path:</source>
+<target>נתיב יומן ברירת מחדל:</target>
+
+<source>&Delete logs after x days:</source>
+<target>&מחק יומנים לאחר x ימים:</target>
+
 <source>Customize context menu:</source>
 <target>התאמה אישית של תפריט הקשר:</target>
 
@@ -1324,8 +1357,8 @@ This guarantees a consistent state even in case of a serious error.
 <source>&Default</source>
 <target>&ברירת מחדל</target>
 
-<source>Feedback and suggestions are welcome</source>
-<target>משוב והצעות יתקבלו בברכה</target>
+<source>Feedback and suggestions are welcome:</source>
+<target>משוב והצעות יתקבלו בברכה:</target>
 
 <source>Home page</source>
 <target>דף הבית</target>
@@ -1351,8 +1384,8 @@ This guarantees a consistent state even in case of a serious error.
 <source>Source code written in C++ using:</source>
 <target>קוד מקור נכתב ב- C++‎ באמצעות:</target>
 
-<source>Published under the GNU General Public License</source>
-<target>מפורסם במסגרת GNU General Public License</target>
+<source>Published under the GNU General Public License:</source>
+<target>פורסם תחת הרישיון הציבורי הכללי של GNU:</target>
 
 <source>Many thanks for localization:</source>
 <target>תודות עבור תרגום שפות:</target>
@@ -1408,6 +1441,9 @@ This guarantees a consistent state even in case of a serious error.
 <source>Info</source>
 <target>מידע</target>
 
+<source>No log entries</source>
+<target>אין רשומות יומן</target>
+
 <source>Select all</source>
 <target>בחר הכל</target>
 
@@ -1432,6 +1468,9 @@ This guarantees a consistent state even in case of a serious error.
 <source>Overview</source>
 <target>מבט כללי</target>
 
+<source>Swap sides</source>
+<target>החלף צדדים</target>
+
 <source>Show "%x"</source>
 <target>הראה "%x"</target>
 
@@ -1606,9 +1645,6 @@ This guarantees a consistent state even in case of a serious error.
 <source>Show filtered or temporarily excluded files</source>
 <target>הראה קבצים שסוננו או לא נכללו זמנית</target>
 
-<source>Save as default</source>
-<target>שמור כברירת מחדל</target>
-
 <source>Filter</source>
 <target>מסנן</target>
 
@@ -1954,12 +1990,6 @@ This guarantees a consistent state even in case of a serious error.
 <source>Checking recycle bin failed for folder %x.</source>
 <target>בודק כשלון בתא מחזור עבור תיקייה %x.</target>
 
-<source>The following XML elements could not be read:</source>
-<target>לא ניתן לקרוא את רכיבי XML הבאים:</target>
-
-<source>Configuration file %x is incomplete. The missing elements will be set to their default values.</source>
-<target>קובץ תצורה %x אינו שלם. הרכיבים החסרים יוגדרו עם ערכי ברירת המחדל.</target>
-
 <source>Prepare installation</source>
 <target>מכין התקנה</target>
 
diff --git a/FreeFileSync/Build/Languages/hindi.lng b/FreeFileSync/Build/Languages/hindi.lng
index 67a3bfcc..f338466b 100755
--- a/FreeFileSync/Build/Languages/hindi.lng
+++ b/FreeFileSync/Build/Languages/hindi.lng
@@ -160,6 +160,9 @@
 <source>Items differ in attributes only</source>
 <target>आइटम्स के केवल गुण ही भिन्न हैं।</target>
 
+<source>The name %x is used by more than one item in the folder.</source>
+<target>%x नाम का उपयोग फ़ोल्डर में एक से अधिक आइटम द्वारा किया गया है।</target>
+
 <source>Resolving symbolic link %x</source>
 <target>%x प्रतीकात्मक कड़ी को हल किया जा रहा है</target>
 
@@ -187,9 +190,6 @@
 <source>File time tolerance</source>
 <target>फ़ाइल समय टॉलरेंस (छूट)</target>
 
-<source>Folder access timeout</source>
-<target>निर्देशिका पहुँच काल समापन</target>
-
 <source>Run with background priority</source>
 <target>पृष्ठभूमि प्राथमिकता के साथ चलाएँ</target>
 
@@ -334,8 +334,11 @@
 <source>Update attributes on right</source>
 <target>दाईं तरफ के गुण अद्यतन करें</target>
 
-<source>Warning</source>
-<target>चेतावनी</target>
+<source>Errors:</source>
+<target>त्रुटियाँ:</target>
+
+<source>Warnings:</source>
+<target>चेतावनियाँ:</target>
 
 <source>Items processed:</source>
 <target>संसाधित आइटम्स:</target>
@@ -346,6 +349,9 @@
 <source>Total time:</source>
 <target>कुल समय:</target>
 
+<source>Warning</source>
+<target>चेतावनी</target>
+
 <source>Stopped</source>
 <target>रुका</target>
 
@@ -355,6 +361,21 @@
 <source>Error parsing file %x, row %y, column %z.</source>
 <target>फ़ाइल %x, पंक्ति %y, स्तंभ %z पदच्छेदन में त्रुटि।</target>
 
+<source>Services</source>
+<target>सेवाएँ</target>
+
+<source>Show All</source>
+<target>सब दिखाओ</target>
+
+<source>Hide Others</source>
+<target>अन्य छुपाएं</target>
+
+<source>Hide %x</source>
+<target>%x छुपाएं</target>
+
+<source>Quit %x</source>
+<target>%x छोड़ें</target>
+
 <source>Cannot set directory locks for the following folders:</source>
 <target>निम्न निर्देशिकाओं के लिए निर्देशिका अवरोध सेट नहीं कर सकते:</target>
 
@@ -370,11 +391,11 @@
 <source>Cannot read directory %x.</source>
 <target>निर्देशिका %x को पढ़ा नहीं जा सकता।</target>
 
-<source>/sec</source>
-<target>/सेकंड</target>
+<source>%x/sec</source>
+<target>%x/सेकंड</target>
 
-<source>%x items/sec</source>
-<target>%x आइटम्स/सेकंड</target>
+<source>%x items</source>
+<target>%x आइटम्स</target>
 
 <source>Show in Explorer</source>
 <target>एक्सप्लोरर में दिखाएं</target>
@@ -523,11 +544,11 @@
 <source>Generating database...</source>
 <target>डेटाबेस बनाया जा रहा है...</target>
 
-<source>Searching for excess file versions:</source>
-<target>अतिरिक्त फ़ाइल संस्करणों की खोज हो रही है:</target>
+<source>Searching for old file versions:</source>
+<target>पुराने फ़ाइल संस्करणों की खोज हो रही है:</target>
 
-<source>Removing excess file versions:</source>
-<target>अतिरिक्त फ़ाइल संस्करणों को हटाया जा रहा है:</target>
+<source>Removing old file versions:</source>
+<target>पुराने फ़ाइल संस्करणों को हटाया जा रहा है:</target>
 
 <source>Unable to create time stamp for versioning:</source>
 <target>संस्करण के लिए समय मोहर बनाने में असमर्थ:</target>
@@ -585,6 +606,24 @@ Actual: %y bytes
 <source>Unable to move %x to the recycle bin.</source>
 <target>%x को रीसायकल बिन ले जाने में असमर्थ।</target>
 
+<source>Unable to access %x.</source>
+<target>%x तक पहुँचने में असमर्थ।</target>
+
+<source>Authentication completed.</source>
+<target>प्रमाणन पूर्ण।</target>
+
+<source>Authentication failed.</source>
+<target>प्रमाणन विफल।</target>
+
+<source>You may close this page now and continue with FreeFileSync.</source>
+<target>आप अब इस पृष्ठ को बंद कर FreeFileSync जारी रख सकते हैं।</target>
+
+<source>The server returned an error:</source>
+<target>सर्वर ने एक त्रुटि वापस कर दी:</target>
+
+<source>Cannot determine free disk space for %x.</source>
+<target>%x के लिए खाली डिस्क जगह निर्धारित नहीं कर सकते।</target>
+
 <source>Cannot find %x.</source>
 <target>%x नहीं मिला।</target>
 
@@ -597,18 +636,12 @@ Actual: %y bytes
 <source>Cannot delete symbolic link %x.</source>
 <target>प्रतीकात्मक कड़ी %x हटाया नहीं जा सकता।</target>
 
-<source>Cannot determine free disk space for %x.</source>
-<target>%x के लिए खाली डिस्क जगह निर्धारित नहीं कर सकते।</target>
-
 <source>Incorrect command line:</source>
 <target>अनुचित आदेश-पंक्ति:</target>
 
 <source>The server does not support authentication via %x.</source>
 <target>सर्वर पर %x द्वारा प्रमाणन समर्थित नहीं है।</target>
 
-<source>Unable to access %x.</source>
-<target>%x तक पहुँचने में असमर्थ।</target>
-
 <source>
 <pluralform>Operation timed out after 1 second.</pluralform>
 <pluralform>Operation timed out after %x seconds.</pluralform>
@@ -633,24 +666,6 @@ Actual: %y bytes
 <source>Failed to open SFTP channel number %x.</source>
 <target>SFTP चैनल संख्या %x को खोलने में विफल।</target>
 
-<source>
-<pluralform>1 byte</pluralform>
-<pluralform>%x bytes</pluralform>
-</source>
-<target>
-<pluralform>1 बाइट</pluralform>
-<pluralform>%x बाइट्स</pluralform>
-</target>
-
-<source>%x MB</source>
-<target>%x MB</target>
-
-<source>%x KB</source>
-<target>%x KB</target>
-
-<source>%x GB</source>
-<target>%x GB</target>
-
 <source>Drag && drop</source>
 <target>ड्रॅग एण्ड ड्रॉप</target>
 
@@ -764,6 +779,24 @@ The command is triggered if:
 <source>&Retry</source>
 <target>पुनः प्रयास (&R)</target>
 
+<source>
+<pluralform>1 byte</pluralform>
+<pluralform>%x bytes</pluralform>
+</source>
+<target>
+<pluralform>1 बाइट</pluralform>
+<pluralform>%x बाइट्स</pluralform>
+</target>
+
+<source>%x MB</source>
+<target>%x MB</target>
+
+<source>%x KB</source>
+<target>%x KB</target>
+
+<source>%x GB</source>
+<target>%x GB</target>
+
 <source>Loading...</source>
 <target>लोड हो रहा है...</target>
 
@@ -909,7 +942,7 @@ The command is triggered if:
 <target>बॅच जॉब के रूप में सहेजें (&b)...</target>
 
 <source>Show &log</source>
-<target></target>
+<target>लॉग दिखाएं (&l)</target>
 
 <source>Start &comparison</source>
 <target>तुलना शुरू करें (&c)</target>
@@ -971,9 +1004,6 @@ The command is triggered if:
 <source>Access online storage</source>
 <target>ऑनलाइन संग्रहण पहुँच प्राप्त करें</target>
 
-<source>Swap sides</source>
-<target>पक्ष गमागम करें</target>
-
 <source>Close search bar</source>
 <target>खोज पट्टी बंद करें</target>
 
@@ -998,6 +1028,9 @@ The command is triggered if:
 <source>View type:</source>
 <target>दृश्य प्रकार:</target>
 
+<source>Save as default</source>
+<target>डिफ़ॉल्ट के रूप में सहेजें</target>
+
 <source>Select view:</source>
 <target>दृश्य चुनें:</target>
 
@@ -1055,6 +1088,15 @@ The command is triggered if:
 <source>Handle daylight saving time</source>
 <target>दिवालोक बचत समय (डेलाईट सेविंग टाइम) प्रहस्तन करें</target>
 
+<source>Ignore errors</source>
+<target>त्रुटियों को अनदेखा करें</target>
+
+<source>Retry count:</source>
+<target>पुनः प्रयास गणनांक:</target>
+
+<source>Delay (in seconds):</source>
+<target>विलंब (सेकंड में):</target>
+
 <source>Performance improvements:</source>
 <target>प्रदर्शन सुधार:</target>
 
@@ -1129,17 +1171,11 @@ The command is triggered if:
 <source>Last x days:</source>
 <target>पिछले x दिन:</target>
 
-<source>Ignore errors</source>
-<target>त्रुटियों को अनदेखा करें</target>
-
-<source>Retry count:</source>
-<target>पुनः प्रयास गणनांक:</target>
-
-<source>Delay (in seconds):</source>
-<target>विलंब (सेकंड में):</target>
+<source>&Override default log path:</source>
+<target>डिफ़ॉल्ट लॉग पथ अधिभूत करें (&O):</target>
 
-<source>Run a command after synchronization:</source>
-<target>सिंक्रनाइज़ेशन के बाद कोई आदेश चलाएँ:</target>
+<source>Run a command:</source>
+<target>आदेश चलाएँ:</target>
 
 <source>OK</source>
 <target>ठीक</target>
@@ -1189,6 +1225,9 @@ The command is triggered if:
 <source>Directory on server:</source>
 <target>सर्वर पर निर्देशिका:</target>
 
+<source>Access timeout (in seconds):</source>
+<target>पहुँच समय बाह्य (सेकंड्स में):</target>
+
 <source>SFTP channels per connection:</source>
 <target>SFTP चैनल्स प्रति कनेक्शन:</target>
 
@@ -1267,12 +1306,6 @@ The command is triggered if:
 <source>Stop synchronization at first error</source>
 <target>पहली त्रुटि पर सिंक्रनाइज़ेशन रोकें</target>
 
-<source>Save log:</source>
-<target>लॉग सहेजें:</target>
-
-<source>Limit number of log files:</source>
-<target>लॉग फ़ाइलों की संख्या सीमित करें:</target>
-
 <source>How can I schedule a batch job?</source>
 <target>मैं कोई बॅच कार्य कैसे अनुसूचित करूँ?</target>
 
@@ -1309,8 +1342,11 @@ This guarantees a consistent state even in case of a serious error.
 <source>Show all permanently hidden dialogs and warning messages again</source>
 <target>स्थायी रूप से छिपाये संवाद बॉक्सेस और चेतावनी संदेश फिर से दिखाएं</target>
 
-<source>Remove old log files after x days:</source>
-<target></target>
+<source>Default log path:</source>
+<target>डिफ़ॉल्ट लॉग पथ:</target>
+
+<source>&Delete logs after x days:</source>
+<target>x दिनों के बाद लॉग हटाएं (&D):</target>
 
 <source>Customize context menu:</source>
 <target>प्रासंगिक मेनू अनुकूलित करें:</target>
@@ -1321,8 +1357,8 @@ This guarantees a consistent state even in case of a serious error.
 <source>&Default</source>
 <target>डिफ़ॉल्ट (&D)</target>
 
-<source>Feedback and suggestions are welcome</source>
-<target>प्रतिक्रिया और सुझावों का स्वागत है</target>
+<source>Feedback and suggestions are welcome:</source>
+<target>प्रतिक्रिया और सुझाव का स्वागत है:</target>
 
 <source>Home page</source>
 <target>मुख पृष्ठ</target>
@@ -1348,8 +1384,8 @@ This guarantees a consistent state even in case of a serious error.
 <source>Source code written in C++ using:</source>
 <target>स्रोत कोड C++ में लिखा गया इनके प्रयोग से:</target>
 
-<source>Published under the GNU General Public License</source>
-<target>जीएनयू जनरल पब्लिक लाइसेंस (GNU General Public License) के अंतर्गत प्रकाशित</target>
+<source>Published under the GNU General Public License:</source>
+<target>जीएनयू जनरल पब्लिक लाइसेंस (GNU General Public License) के तहत प्रकाशित:</target>
 
 <source>Many thanks for localization:</source>
 <target>स्थानीयकरण के लिए अनेक आभार:</target>
@@ -1406,7 +1442,7 @@ This guarantees a consistent state even in case of a serious error.
 <target>जानकारी</target>
 
 <source>No log entries</source>
-<target></target>
+<target>कोई लॉग प्रविष्टियां नहीं</target>
 
 <source>Select all</source>
 <target>सभी चुने</target>
@@ -1432,6 +1468,9 @@ This guarantees a consistent state even in case of a serious error.
 <source>Overview</source>
 <target>अवलोकन</target>
 
+<source>Swap sides</source>
+<target>पक्ष गमागम करें</target>
+
 <source>Show "%x"</source>
 <target>"%x" दिखाएं</target>
 
@@ -1553,7 +1592,7 @@ This guarantees a consistent state even in case of a serious error.
 <target>नहीं सहेजें (&n)</target>
 
 <source>Hide configuration</source>
-<target>कॉन्फ़िगरेशन छुपाएँ</target>
+<target>कॉन्फ़िगरेशन छुपाएं</target>
 
 <source>Highlight...</source>
 <target>हाइलाइट...</target>
@@ -1606,9 +1645,6 @@ This guarantees a consistent state even in case of a serious error.
 <source>Show filtered or temporarily excluded files</source>
 <target>फ़िल्टर किए या अस्थायी रूप से अपवर्जित फ़ाइल्स दिखाएं</target>
 
-<source>Save as default</source>
-<target>डिफ़ॉल्ट के रूप में सहेजें</target>
-
 <source>Filter</source>
 <target>फ़िल्टर</target>
 
@@ -1954,12 +1990,6 @@ This guarantees a consistent state even in case of a serious error.
 <source>Checking recycle bin failed for folder %x.</source>
 <target>निर्देशिका %x के लिए रीसायकल बिन की जाँच विफल।</target>
 
-<source>The following XML elements could not be read:</source>
-<target>निम्न XML तत्वों को पढा नहीं जा सका:</target>
-
-<source>Configuration file %x is incomplete. The missing elements will be set to their default values.</source>
-<target>कॉन्फ़िगरेशन फ़ाइल %x अधूरी है। अनुपस्थित तत्व उनके डिफ़ॉल्ट मानों से सेट होंगे।</target>
-
 <source>Prepare installation</source>
 <target>स्थापना तैयारी</target>
 
diff --git a/FreeFileSync/Build/Languages/hungarian.lng b/FreeFileSync/Build/Languages/hungarian.lng
index 5135b1d6..c22560bf 100755
--- a/FreeFileSync/Build/Languages/hungarian.lng
+++ b/FreeFileSync/Build/Languages/hungarian.lng
@@ -160,6 +160,9 @@
 <source>Items differ in attributes only</source>
 <target>Az elemek csak attribútumaikban különböznek</target>
 
+<source>The name %x is used by more than one item in the folder.</source>
+<target>A %x nevet nem csak egy elem viseli a könyvtárban.</target>
+
 <source>Resolving symbolic link %x</source>
 <target>%x szimbolikus hivatkozás feloldása</target>
 
@@ -187,9 +190,6 @@
 <source>File time tolerance</source>
 <target>Állományok időkülönbségének tűréshatára</target>
 
-<source>Folder access timeout</source>
-<target>Könyvtár hozzáférés időtúllépés</target>
-
 <source>Run with background priority</source>
 <target>Futtatás háttér prioritással</target>
 
@@ -299,7 +299,7 @@
 <target>Mindkét oldal azonos</target>
 
 <source>Conflict/item cannot be categorized</source>
-<target>Az ütközés vagy elem nem kategorizálható</target>
+<target>Az ütközés/elem nem kategorizálható</target>
 
 <source>Copy new item to left</source>
 <target>Új elem másolása a bal oldalra</target>
@@ -320,10 +320,10 @@
 <target>Jobb oldali állomány mozgatása</target>
 
 <source>Update left item</source>
-<target>Bal oldali elemek frissítése</target>
+<target>Bal oldali elem frissítése</target>
 
 <source>Update right item</source>
-<target>Jobb oldali elemek frissítése</target>
+<target>Jobb oldali elem frissítése</target>
 
 <source>Do nothing</source>
 <target>Nincs mit végrehajtani</target>
@@ -334,8 +334,11 @@
 <source>Update attributes on right</source>
 <target>Attribútumok frissítése a jobb oldalon</target>
 
-<source>Warning</source>
-<target>Figyelmeztetés</target>
+<source>Errors:</source>
+<target>Hiba:</target>
+
+<source>Warnings:</source>
+<target>Figyelmeztetés:</target>
 
 <source>Items processed:</source>
 <target>Feldolgozott elemek száma:</target>
@@ -346,6 +349,9 @@
 <source>Total time:</source>
 <target>Összes időszükséglet:</target>
 
+<source>Warning</source>
+<target>Figyelmeztetés</target>
+
 <source>Stopped</source>
 <target>Leállítva</target>
 
@@ -355,6 +361,21 @@
 <source>Error parsing file %x, row %y, column %z.</source>
 <target>Hiba történt a feldolgozás közben: %x állomány, %y sor, %z oszlop.</target>
 
+<source>Services</source>
+<target>Szervizek</target>
+
+<source>Show All</source>
+<target>Összest Mutassa</target>
+
+<source>Hide Others</source>
+<target>Rejtse a többit</target>
+
+<source>Hide %x</source>
+<target>Rejt %x</target>
+
+<source>Quit %x</source>
+<target>Leállít %x</target>
+
 <source>Cannot set directory locks for the following folders:</source>
 <target>Nem lehet beállítani a könyvtárak lockolását a következő könyvtárakhoz:</target>
 
@@ -370,11 +391,11 @@
 <source>Cannot read directory %x.</source>
 <target>%x könyvtár nem olvasható.</target>
 
-<source>/sec</source>
-<target>/mp</target>
+<source>%x/sec</source>
+<target>%x/sec</target>
 
-<source>%x items/sec</source>
-<target>%x elem/mp</target>
+<source>%x items</source>
+<target>%x elem</target>
 
 <source>Show in Explorer</source>
 <target>Mutassa az Intézőben</target>
@@ -392,7 +413,7 @@
 <target>Sikeresen végrehajtva</target>
 
 <source>Completed with warnings</source>
-<target>Figyelmeztetések mellett végrehajtva</target>
+<target>Figyelmeztetéssel végrehajtva</target>
 
 <source>Completed with errors</source>
 <target>Hibák mellett végrehajtva</target>
@@ -401,7 +422,7 @@
 <target>Nem elérhető a Kötet Árnyék-másolat szolgáltatás.</target>
 
 <source>Please run the 64-bit version of FreeFileSync to create shadow copies on this system.</source>
-<target>Árnyék másolatok készítéséhez ezen a rendszeren futtassa a FreeFileSync 64 bites verzióját.</target>
+<target>Ezen a rendszeren árnyék másolatok készítéséhez futtassa a FreeFileSync 64 bites verzióját.</target>
 
 <source>Cannot determine volume name for %x.</source>
 <target>%x számára nem lehet a kötet-nevet meghatározni.</target>
@@ -488,7 +509,7 @@
 <target>Adja meg a célkönyvtárat a verziókövetéshez.</target>
 
 <source>The following items have unresolved conflicts and will not be synchronized:</source>
-<target>A következő tételek feloldatlan ütközést tartalmaznak, így nem lesznek szinkronizálva:</target>
+<target>A következő elemek feloldatlan ütközést tartalmaznak, így nem lesznek szinkronizálva:</target>
 
 <source>The following folders are significantly different. Please check that the correct folders are selected for synchronization.</source>
 <target>Az érintett könyvtárak lényegileg különböznek. Kérem ellenőrizze, a megfelelő könyvtárakat választotta-e ki szinkronizálásra.</target>
@@ -523,11 +544,11 @@
 <source>Generating database...</source>
 <target>Adatbázis generálása...</target>
 
-<source>Searching for excess file versions:</source>
-<target>A felesleges fájl-verziók keresése:</target>
+<source>Searching for old file versions:</source>
+<target>Régi állomány-változatok keresése:</target>
 
-<source>Removing excess file versions:</source>
-<target>A felesleges fájl-verziók törlése:</target>
+<source>Removing old file versions:</source>
+<target>Régi állomány-változatok törlése:</target>
 
 <source>Unable to create time stamp for versioning:</source>
 <target>Nem képes időbélyegzés létrehozására a verzióképzéshez:</target>
@@ -585,6 +606,24 @@ Tényleges: %y bájt
 <source>Unable to move %x to the recycle bin.</source>
 <target>%x nem helyezhető Lomtárba.</target>
 
+<source>Unable to access %x.</source>
+<target>%x nem elérhető.</target>
+
+<source>Authentication completed.</source>
+<target>Hitelesítés befejezve.</target>
+
+<source>Authentication failed.</source>
+<target>Hitelesítés sikertelen.</target>
+
+<source>You may close this page now and continue with FreeFileSync.</source>
+<target>Most bezárhatja ezt az oldalt és folytathatja a FreeFileSync-et.</target>
+
+<source>The server returned an error:</source>
+<target>A szerver hibát adott vissza:</target>
+
+<source>Cannot determine free disk space for %x.</source>
+<target>%x-en nem határozható meg a szabad tárterület.</target>
+
 <source>Cannot find %x.</source>
 <target>%x nem található.</target>
 
@@ -597,18 +636,12 @@ Tényleges: %y bájt
 <source>Cannot delete symbolic link %x.</source>
 <target>%x szimbolikus hivatkozás nem törölhető.</target>
 
-<source>Cannot determine free disk space for %x.</source>
-<target>%x-en nem határozható meg a szabad tárterület.</target>
-
 <source>Incorrect command line:</source>
 <target>Hibás parancssor:</target>
 
 <source>The server does not support authentication via %x.</source>
 <target>A szerver nem támogatja a %x általi autentikációt.</target>
 
-<source>Unable to access %x.</source>
-<target>%x nem elérhető.</target>
-
 <source>
 <pluralform>Operation timed out after 1 second.</pluralform>
 <pluralform>Operation timed out after %x seconds.</pluralform>
@@ -633,24 +666,6 @@ Tényleges: %y bájt
 <source>Failed to open SFTP channel number %x.</source>
 <target>Hiba a %x számú SFTP csatorna megnyitása során.</target>
 
-<source>
-<pluralform>1 byte</pluralform>
-<pluralform>%x bytes</pluralform>
-</source>
-<target>
-<pluralform>1 bájt</pluralform>
-<pluralform>%x bájt</pluralform>
-</target>
-
-<source>%x MB</source>
-<target>%x MB</target>
-
-<source>%x KB</source>
-<target>%x kB</target>
-
-<source>%x GB</source>
-<target>%x GB</target>
-
 <source>Drag && drop</source>
 <target>Húzd && Ejtsd</target>
 
@@ -764,6 +779,24 @@ A parancs végrehajtódik, ha:
 <source>&Retry</source>
 <target>&Ismét</target>
 
+<source>
+<pluralform>1 byte</pluralform>
+<pluralform>%x bytes</pluralform>
+</source>
+<target>
+<pluralform>1 bájt</pluralform>
+<pluralform>%x bájt</pluralform>
+</target>
+
+<source>%x MB</source>
+<target>%x MB</target>
+
+<source>%x KB</source>
+<target>%x kB</target>
+
+<source>%x GB</source>
+<target>%x GB</target>
+
 <source>Loading...</source>
 <target>Tölti...</target>
 
@@ -846,7 +879,7 @@ A parancs végrehajtódik, ha:
 <target>Relatív elérési útvonal</target>
 
 <source>Item name</source>
-<target>Tétel neve</target>
+<target>Elem neve</target>
 
 <source>Size</source>
 <target>Méret</target>
@@ -909,7 +942,7 @@ A parancs végrehajtódik, ha:
 <target>Mentse &kötegelt feladatként...</target>
 
 <source>Show &log</source>
-<target></target>
+<target>Mutassa a &logokat</target>
 
 <source>Start &comparison</source>
 <target>Kezdje az &összehasonlítást</target>
@@ -971,9 +1004,6 @@ A parancs végrehajtódik, ha:
 <source>Access online storage</source>
 <target>Online tároló elérése</target>
 
-<source>Swap sides</source>
-<target>Cserélje fel az oldalakat</target>
-
 <source>Close search bar</source>
 <target>Zárja be a keresési sávot</target>
 
@@ -998,6 +1028,9 @@ A parancs végrehajtódik, ha:
 <source>View type:</source>
 <target>Nézet típusa:</target>
 
+<source>Save as default</source>
+<target>Mentse mint alapértelmezést</target>
+
 <source>Select view:</source>
 <target>Válasszon nézetet:</target>
 
@@ -1055,6 +1088,15 @@ A parancs végrehajtódik, ha:
 <source>Handle daylight saving time</source>
 <target>Kezelje a nyári időszámítás különbségét</target>
 
+<source>Ignore errors</source>
+<target>Hagyja figyelmen kívül a hibákat</target>
+
+<source>Retry count:</source>
+<target>Visszatérések száma:</target>
+
+<source>Delay (in seconds):</source>
+<target>Késés (másodpercben):</target>
+
 <source>Performance improvements:</source>
 <target>Teljesítmény növelése:</target>
 
@@ -1129,17 +1171,11 @@ A parancs végrehajtódik, ha:
 <source>Last x days:</source>
 <target>legutóbbi x nap:</target>
 
-<source>Ignore errors</source>
-<target>Hagyja figyelmen kívül a hibákat</target>
-
-<source>Retry count:</source>
-<target>Visszatérések száma:</target>
-
-<source>Delay (in seconds):</source>
-<target>Késés (másodpercben):</target>
+<source>&Override default log path:</source>
+<target>&Felülírja az alapértelmezett log útvonalat:</target>
 
-<source>Run a command after synchronization:</source>
-<target>Futtasson egy parancsot a szinkronizálás után:</target>
+<source>Run a command:</source>
+<target>Futtasson egy parancsot:</target>
 
 <source>OK</source>
 <target>OK</target>
@@ -1189,6 +1225,9 @@ A parancs végrehajtódik, ha:
 <source>Directory on server:</source>
 <target>Könyvtár az alábbi szerveren:</target>
 
+<source>Access timeout (in seconds):</source>
+<target>Hozzáférési várakozási idő (másodpercben):</target>
+
 <source>SFTP channels per connection:</source>
 <target>SFTP csatornák száma kapcsolatonként:</target>
 
@@ -1223,7 +1262,7 @@ A parancs végrehajtódik, ha:
 <target>Bájt</target>
 
 <source>Items</source>
-<target>Tétel</target>
+<target>Elem</target>
 
 <source>Synchronizing...</source>
 <target>Szinkronizálás folyamatban...</target>
@@ -1267,12 +1306,6 @@ A parancs végrehajtódik, ha:
 <source>Stop synchronization at first error</source>
 <target>Állítsa le a szinkronizálást az első hibánál</target>
 
-<source>Save log:</source>
-<target>Mentse a következő naplóállományt:</target>
-
-<source>Limit number of log files:</source>
-<target>A log állományok számának korlátja:</target>
-
 <source>How can I schedule a batch job?</source>
 <target>Hogyan tudok kötegelt feldolgozást ütemezni?</target>
 
@@ -1309,8 +1342,11 @@ Ez garantálja a konzisztens állapotot egy komoly hiba esetén is.
 <source>Show all permanently hidden dialogs and warning messages again</source>
 <target>Mutassa újra az összes ideiglenesen rejtett párbeszédablakot és figyelmeztetést</target>
 
-<source>Remove old log files after x days:</source>
-<target></target>
+<source>Default log path:</source>
+<target>Alapértelmezett logolási útvonal:</target>
+
+<source>&Delete logs after x days:</source>
+<target>&Törölje a logokat x nap után:</target>
 
 <source>Customize context menu:</source>
 <target>Környezeti menü testreszabása:</target>
@@ -1321,8 +1357,8 @@ Ez garantálja a konzisztens állapotot egy komoly hiba esetén is.
 <source>&Default</source>
 <target>&Alapértelmezett</target>
 
-<source>Feedback and suggestions are welcome</source>
-<target>Várjuk a visszajelzéseket és az ötleteket</target>
+<source>Feedback and suggestions are welcome:</source>
+<target>Visszajelzést és javalatokat szívesen látjuk:</target>
 
 <source>Home page</source>
 <target>Honlap</target>
@@ -1337,7 +1373,7 @@ Ez garantálja a konzisztens állapotot egy komoly hiba esetén is.
 <target>Ha szereted a FreeFileSync-et:</target>
 
 <source>Support with a donation</source>
-<target>Támogassa adománnyal</target>
+<target>Támogasd adománnyal</target>
 
 <source>The auto updater was disabled by the administrator.</source>
 <target>Az automatikus frissítést a rendszergazda kapcsolta ki.</target>
@@ -1348,8 +1384,8 @@ Ez garantálja a konzisztens állapotot egy komoly hiba esetén is.
 <source>Source code written in C++ using:</source>
 <target>A programot C++-ban fejlesztették a következők felhasználásával:</target>
 
-<source>Published under the GNU General Public License</source>
-<target>Közzétéve a GNU General Public License alatt</target>
+<source>Published under the GNU General Public License:</source>
+<target>Közzétéve GNU GPL alatt:</target>
 
 <source>Many thanks for localization:</source>
 <target>Köszönet a lokalizációért:</target>
@@ -1406,7 +1442,7 @@ Ez garantálja a konzisztens állapotot egy komoly hiba esetén is.
 <target>Információ</target>
 
 <source>No log entries</source>
-<target></target>
+<target>Nincs log bejegyzés</target>
 
 <source>Select all</source>
 <target>Összeset kiválasztja</target>
@@ -1432,6 +1468,9 @@ Ez garantálja a konzisztens állapotot egy komoly hiba esetén is.
 <source>Overview</source>
 <target>Áttekintés</target>
 
+<source>Swap sides</source>
+<target>Cserélje fel az oldalakat</target>
+
 <source>Show "%x"</source>
 <target>"%x" mutatása</target>
 
@@ -1606,9 +1645,6 @@ Ez garantálja a konzisztens állapotot egy komoly hiba esetén is.
 <source>Show filtered or temporarily excluded files</source>
 <target>Mutassa a szűrt vagy ideiglenesen kizárt állományokat</target>
 
-<source>Save as default</source>
-<target>Mentse mint alapértelmezést</target>
-
 <source>Filter</source>
 <target>Szűrő</target>
 
@@ -1954,12 +1990,6 @@ Ez garantálja a konzisztens állapotot egy komoly hiba esetén is.
 <source>Checking recycle bin failed for folder %x.</source>
 <target>%x könyvtár vonatkozásában a lomtár ellenőrzése meghiúsult.</target>
 
-<source>The following XML elements could not be read:</source>
-<target>A következő XML elemek nem olvashatók:</target>
-
-<source>Configuration file %x is incomplete. The missing elements will be set to their default values.</source>
-<target>%x konfigurációs állomány nem teljes. A hiányzó elemeket az alapértelmezés szerinti értékekkel helyettesíti.</target>
-
 <source>Prepare installation</source>
 <target>Telepítés előkészítése</target>
 
diff --git a/FreeFileSync/Build/Languages/italian.lng b/FreeFileSync/Build/Languages/italian.lng
index 7064f93f..d5633191 100755
--- a/FreeFileSync/Build/Languages/italian.lng
+++ b/FreeFileSync/Build/Languages/italian.lng
@@ -160,6 +160,9 @@
 <source>Items differ in attributes only</source>
 <target>Gli oggetti differiscono solo negli attributi</target>
 
+<source>The name %x is used by more than one item in the folder.</source>
+<target>Il nome %x è utilizzato da più di un elemento nella cartella.</target>
+
 <source>Resolving symbolic link %x</source>
 <target>Risoluzione collegamento %x</target>
 
@@ -187,9 +190,6 @@
 <source>File time tolerance</source>
 <target>File tolleranza temporale</target>
 
-<source>Folder access timeout</source>
-<target>Timeout di accesso alle cartelle</target>
-
 <source>Run with background priority</source>
 <target>Eseguire con priorità in background</target>
 
@@ -334,8 +334,11 @@
 <source>Update attributes on right</source>
 <target>Aggiorna attributi a destra</target>
 
-<source>Warning</source>
-<target>Attenzione</target>
+<source>Errors:</source>
+<target>Errori:</target>
+
+<source>Warnings:</source>
+<target>Avvertenze:</target>
 
 <source>Items processed:</source>
 <target>Oggetti processati:</target>
@@ -346,6 +349,9 @@
 <source>Total time:</source>
 <target>Tempo totale:</target>
 
+<source>Warning</source>
+<target>Attenzione</target>
+
 <source>Stopped</source>
 <target>Arrestato</target>
 
@@ -355,6 +361,21 @@
 <source>Error parsing file %x, row %y, column %z.</source>
 <target>Errore nel parsing del file %x, riga %y, colonna %z.</target>
 
+<source>Services</source>
+<target>Servizi</target>
+
+<source>Show All</source>
+<target>Mostra tutto</target>
+
+<source>Hide Others</source>
+<target>Nascondi gli altri</target>
+
+<source>Hide %x</source>
+<target>Nascondi %x</target>
+
+<source>Quit %x</source>
+<target>Esci da %x</target>
+
 <source>Cannot set directory locks for the following folders:</source>
 <target>Impossibile impostare i blocchi di directory per le seguenti cartelle:</target>
 
@@ -370,11 +391,11 @@
 <source>Cannot read directory %x.</source>
 <target>Impossibile leggere la directory %x.</target>
 
-<source>/sec</source>
-<target>/sec</target>
+<source>%x/sec</source>
+<target>%x/ sec</target>
 
-<source>%x items/sec</source>
-<target>%x oggetti/sec</target>
+<source>%x items</source>
+<target>%x articoli</target>
 
 <source>Show in Explorer</source>
 <target>Mostra in Esplora Risorse</target>
@@ -523,11 +544,11 @@
 <source>Generating database...</source>
 <target>Generazione database...</target>
 
-<source>Searching for excess file versions:</source>
-<target>Ricerca delle versioni di file in eccesso:</target>
+<source>Searching for old file versions:</source>
+<target>Ricerca di vecchie versioni di file:</target>
 
-<source>Removing excess file versions:</source>
-<target>Rimozione delle versioni di file in eccesso:</target>
+<source>Removing old file versions:</source>
+<target>Rimozione delle versioni precedenti dei file:</target>
 
 <source>Unable to create time stamp for versioning:</source>
 <target>Impossibile creare l'impronta per il controllo delle versioni:</target>
@@ -585,6 +606,24 @@ Attuale: %y byte
 <source>Unable to move %x to the recycle bin.</source>
 <target>Impossibile spostare %x nel cestino.</target>
 
+<source>Unable to access %x.</source>
+<target>Impossibile accedere %x.</target>
+
+<source>Authentication completed.</source>
+<target>Autenticazione completata.</target>
+
+<source>Authentication failed.</source>
+<target>Autenticazione fallita.</target>
+
+<source>You may close this page now and continue with FreeFileSync.</source>
+<target>Puoi chiudere questa pagina ora e continuare con FreeFileSync.</target>
+
+<source>The server returned an error:</source>
+<target>Il server ha restituito un errore:</target>
+
+<source>Cannot determine free disk space for %x.</source>
+<target>Impossibile determinare lo spazio libero su disco per %x.</target>
+
 <source>Cannot find %x.</source>
 <target>Impossibile trovare %x.</target>
 
@@ -597,18 +636,12 @@ Attuale: %y byte
 <source>Cannot delete symbolic link %x.</source>
 <target>Impossibile eliminare collegamento %x.</target>
 
-<source>Cannot determine free disk space for %x.</source>
-<target>Impossibile determinare lo spazio libero su disco per %x.</target>
-
 <source>Incorrect command line:</source>
 <target>Linea di comando non corretta:</target>
 
 <source>The server does not support authentication via %x.</source>
 <target>Il server non supporta l'autenticazione tramite %x.</target>
 
-<source>Unable to access %x.</source>
-<target>Impossibile accedere %x.</target>
-
 <source>
 <pluralform>Operation timed out after 1 second.</pluralform>
 <pluralform>Operation timed out after %x seconds.</pluralform>
@@ -633,24 +666,6 @@ Attuale: %y byte
 <source>Failed to open SFTP channel number %x.</source>
 <target>Impossibile aprire canale SFTP numero %x.</target>
 
-<source>
-<pluralform>1 byte</pluralform>
-<pluralform>%x bytes</pluralform>
-</source>
-<target>
-<pluralform>1 byte</pluralform>
-<pluralform>%x byte</pluralform>
-</target>
-
-<source>%x MB</source>
-<target>%x MB</target>
-
-<source>%x KB</source>
-<target>%x KB</target>
-
-<source>%x GB</source>
-<target>%x GB</target>
-
 <source>Drag && drop</source>
 <target>Trascina e rilascia</target>
 
@@ -764,6 +779,24 @@ Il comando è attivato se:
 <source>&Retry</source>
 <target>&Riprova</target>
 
+<source>
+<pluralform>1 byte</pluralform>
+<pluralform>%x bytes</pluralform>
+</source>
+<target>
+<pluralform>1 byte</pluralform>
+<pluralform>%x byte</pluralform>
+</target>
+
+<source>%x MB</source>
+<target>%x MB</target>
+
+<source>%x KB</source>
+<target>%x KB</target>
+
+<source>%x GB</source>
+<target>%x GB</target>
+
 <source>Loading...</source>
 <target>Caricamento...</target>
 
@@ -909,7 +942,7 @@ Il comando è attivato se:
 <target>Salva come &processo batch...</target>
 
 <source>Show &log</source>
-<target></target>
+<target>Mostrare &log</target>
 
 <source>Start &comparison</source>
 <target>Avvio &confronto</target>
@@ -971,9 +1004,6 @@ Il comando è attivato se:
 <source>Access online storage</source>
 <target>Accesso all'archiviazione online</target>
 
-<source>Swap sides</source>
-<target>Inverti i lati</target>
-
 <source>Close search bar</source>
 <target>Chiudi barra di ricerca</target>
 
@@ -998,6 +1028,9 @@ Il comando è attivato se:
 <source>View type:</source>
 <target>Visualizza tipo:</target>
 
+<source>Save as default</source>
+<target>Salva come predefinito</target>
+
 <source>Select view:</source>
 <target>Seleziona vista:</target>
 
@@ -1055,6 +1088,15 @@ Il comando è attivato se:
 <source>Handle daylight saving time</source>
 <target>Maneggiare l'ora legale</target>
 
+<source>Ignore errors</source>
+<target>Ignora errori</target>
+
+<source>Retry count:</source>
+<target>Riprova conteggio:</target>
+
+<source>Delay (in seconds):</source>
+<target>Ritardo (in secondi):</target>
+
 <source>Performance improvements:</source>
 <target>Miglioramenti delle prestazioni:</target>
 
@@ -1129,17 +1171,11 @@ Il comando è attivato se:
 <source>Last x days:</source>
 <target>Ultimi x giorni:</target>
 
-<source>Ignore errors</source>
-<target>Ignora errori</target>
-
-<source>Retry count:</source>
-<target>Riprova conteggio:</target>
-
-<source>Delay (in seconds):</source>
-<target>Ritardo (in secondi):</target>
+<source>&Override default log path:</source>
+<target>&Sostituisci il percorso di registrazione predefinito:</target>
 
-<source>Run a command after synchronization:</source>
-<target>Esegui un comando dopo la sincronizzazione:</target>
+<source>Run a command:</source>
+<target>Esegui un comando:</target>
 
 <source>OK</source>
 <target>OK</target>
@@ -1189,6 +1225,9 @@ Il comando è attivato se:
 <source>Directory on server:</source>
 <target>Directory su server:</target>
 
+<source>Access timeout (in seconds):</source>
+<target>Timeout di accesso (in secondi):</target>
+
 <source>SFTP channels per connection:</source>
 <target>Canali SFTP per il collegamento:</target>
 
@@ -1267,12 +1306,6 @@ Il comando è attivato se:
 <source>Stop synchronization at first error</source>
 <target>Interrompere la sincronizzazione al primo errore</target>
 
-<source>Save log:</source>
-<target>Salva log:</target>
-
-<source>Limit number of log files:</source>
-<target>Limita il numero di file di registro:</target>
-
 <source>How can I schedule a batch job?</source>
 <target>Come posso programmare un lavoro batch?</target>
 
@@ -1309,8 +1342,11 @@ Questo garantisce uno stato consistente anche in caso di errore grave.
 <source>Show all permanently hidden dialogs and warning messages again</source>
 <target>Mostra di nuovo tutti i dialoghi nascosti in modo permanente e i messaggi di allarme</target>
 
-<source>Remove old log files after x days:</source>
-<target></target>
+<source>Default log path:</source>
+<target>Percorso di log predefinito:</target>
+
+<source>&Delete logs after x days:</source>
+<target>&Elimina i log dopo x giorni:</target>
 
 <source>Customize context menu:</source>
 <target>Personalizzare menu contestuale:</target>
@@ -1321,8 +1357,8 @@ Questo garantisce uno stato consistente anche in caso di errore grave.
 <source>&Default</source>
 <target>&Predefinito</target>
 
-<source>Feedback and suggestions are welcome</source>
-<target>Ogni commento o suggerimento è ben accetto</target>
+<source>Feedback and suggestions are welcome:</source>
+<target>Feedback e suggerimenti sono benvenuti:</target>
 
 <source>Home page</source>
 <target>Pagina Iniziale</target>
@@ -1348,8 +1384,8 @@ Questo garantisce uno stato consistente anche in caso di errore grave.
 <source>Source code written in C++ using:</source>
 <target>Codice sorgente scritto in C++ utilizzando:</target>
 
-<source>Published under the GNU General Public License</source>
-<target>Pubblicato con licenza GNU General Public</target>
+<source>Published under the GNU General Public License:</source>
+<target>Pubblicato sotto la GNU General Public License:</target>
 
 <source>Many thanks for localization:</source>
 <target>Ringraziamenti per la traduzione:</target>
@@ -1406,7 +1442,7 @@ Questo garantisce uno stato consistente anche in caso di errore grave.
 <target>Info</target>
 
 <source>No log entries</source>
-<target></target>
+<target>Nessuna voce di registro</target>
 
 <source>Select all</source>
 <target>Seleziona tutto</target>
@@ -1432,6 +1468,9 @@ Questo garantisce uno stato consistente anche in caso di errore grave.
 <source>Overview</source>
 <target>Anteprima</target>
 
+<source>Swap sides</source>
+<target>Inverti i lati</target>
+
 <source>Show "%x"</source>
 <target>Mostra "%x"</target>
 
@@ -1606,9 +1645,6 @@ Questo garantisce uno stato consistente anche in caso di errore grave.
 <source>Show filtered or temporarily excluded files</source>
 <target>Mostra file filtrati o temporaneamente esclusi</target>
 
-<source>Save as default</source>
-<target>Salva come predefinito</target>
-
 <source>Filter</source>
 <target>Filtro</target>
 
@@ -1954,12 +1990,6 @@ Questo garantisce uno stato consistente anche in caso di errore grave.
 <source>Checking recycle bin failed for folder %x.</source>
 <target>Controllo cestino non riuscito per la cartella %x.</target>
 
-<source>The following XML elements could not be read:</source>
-<target>I seguenti elementi XML non possono essere letti:</target>
-
-<source>Configuration file %x is incomplete. The missing elements will be set to their default values.</source>
-<target>File di configurazione %x incompleta. Gli elementi mancanti saranno impostati sui valori predefiniti.</target>
-
 <source>Prepare installation</source>
 <target>Preparare l'installazione</target>
 
diff --git a/FreeFileSync/Build/Languages/japanese.lng b/FreeFileSync/Build/Languages/japanese.lng
index c1ca09e4..388bc96b 100755
--- a/FreeFileSync/Build/Languages/japanese.lng
+++ b/FreeFileSync/Build/Languages/japanese.lng
@@ -110,7 +110,7 @@
 <target>選択された構成を実行しないで編集用に開きます.</target>
 
 <source>Path to an alternate GlobalSettings.xml file.</source>
-<target></target>
+<target>代替 GlobalSettings.xml ファイルへのパス.</target>
 
 <source>Installation files are corrupted. Please reinstall FreeFileSync.</source>
 <target>インストール ファイルが破損しています、FreeFileSync を再インストールしてください.</target>
@@ -159,6 +159,9 @@
 <source>Items differ in attributes only</source>
 <target>属性のみ異なる項目</target>
 
+<source>The name %x is used by more than one item in the folder.</source>
+<target>名前 %x は、フォルダ内複数の項目で使用されています.</target>
+
 <source>Resolving symbolic link %x</source>
 <target>シンボリックリンク %x を解決中</target>
 
@@ -186,9 +189,6 @@
 <source>File time tolerance</source>
 <target>ファイル時間の許容範囲</target>
 
-<source>Folder access timeout</source>
-<target>フォルダ アクセスのタイムアウト</target>
-
 <source>Run with background priority</source>
 <target>優先度バックグラウンドで実行</target>
 
@@ -332,8 +332,11 @@
 <source>Update attributes on right</source>
 <target>右の属性を更新</target>
 
-<source>Warning</source>
-<target>警告</target>
+<source>Errors:</source>
+<target>エラー:</target>
+
+<source>Warnings:</source>
+<target>警告:</target>
 
 <source>Items processed:</source>
 <target>処理された要素:</target>
@@ -344,6 +347,9 @@
 <source>Total time:</source>
 <target>合計時間:</target>
 
+<source>Warning</source>
+<target>警告</target>
+
 <source>Stopped</source>
 <target>停止</target>
 
@@ -353,6 +359,21 @@
 <source>Error parsing file %x, row %y, column %z.</source>
 <target>ファイル %x の構文解析エラー, 行 %y, 列 %z.</target>
 
+<source>Services</source>
+<target>サービス</target>
+
+<source>Show All</source>
+<target>すべて表示</target>
+
+<source>Hide Others</source>
+<target>他を非表示</target>
+
+<source>Hide %x</source>
+<target>%x を非表示</target>
+
+<source>Quit %x</source>
+<target>%x を終了</target>
+
 <source>Cannot set directory locks for the following folders:</source>
 <target>次のフォルダにあるディレクトリはロックできません:</target>
 
@@ -367,11 +388,11 @@
 <source>Cannot read directory %x.</source>
 <target>ディレクトリ %x を読み取れません.</target>
 
-<source>/sec</source>
-<target>/秒</target>
+<source>%x/sec</source>
+<target>%x/秒</target>
 
-<source>%x items/sec</source>
-<target>%x 項目/秒</target>
+<source>%x items</source>
+<target>%x 項目</target>
 
 <source>Show in Explorer</source>
 <target>エクスプローラで表示</target>
@@ -520,11 +541,11 @@
 <source>Generating database...</source>
 <target>データベースを作成中...</target>
 
-<source>Searching for excess file versions:</source>
-<target>ファイルの余剰なバージョンを検索:</target>
+<source>Searching for old file versions:</source>
+<target>古いファイルバージョンの検索:</target>
 
-<source>Removing excess file versions:</source>
-<target>ファイルの余剰なバージョンを除去:</target>
+<source>Removing old file versions:</source>
+<target>古いファイルバージョンの削除:</target>
 
 <source>Unable to create time stamp for versioning:</source>
 <target>バージョン管理のタイムスタンプを作成できません:</target>
@@ -582,6 +603,24 @@ Actual: %y bytes
 <source>Unable to move %x to the recycle bin.</source>
 <target>%x をゴミ箱に移動できません.</target>
 
+<source>Unable to access %x.</source>
+<target>%x にアクセスできません.</target>
+
+<source>Authentication completed.</source>
+<target>認証が完了しました.</target>
+
+<source>Authentication failed.</source>
+<target>認証に失敗しました.</target>
+
+<source>You may close this page now and continue with FreeFileSync.</source>
+<target>このページを閉じて FreeFileSync. を続行することができます.</target>
+
+<source>The server returned an error:</source>
+<target>サーバはエラーを返しました:</target>
+
+<source>Cannot determine free disk space for %x.</source>
+<target>%x の空きディスク領域を検出できません.</target>
+
 <source>Cannot find %x.</source>
 <target>%x がみつかりません.</target>
 
@@ -594,18 +633,12 @@ Actual: %y bytes
 <source>Cannot delete symbolic link %x.</source>
 <target>シンボリック リンク %x を削除できません.</target>
 
-<source>Cannot determine free disk space for %x.</source>
-<target>%x の空きディスク領域を検出できません.</target>
-
 <source>Incorrect command line:</source>
 <target>不正なコマンドライン:</target>
 
 <source>The server does not support authentication via %x.</source>
 <target>このサーバは %x による認証に対応していません.</target>
 
-<source>Unable to access %x.</source>
-<target>%x にアクセスできません.</target>
-
 <source>
 <pluralform>Operation timed out after 1 second.</pluralform>
 <pluralform>Operation timed out after %x seconds.</pluralform>
@@ -628,23 +661,6 @@ Actual: %y bytes
 <source>Failed to open SFTP channel number %x.</source>
 <target>SFTP チャンネル %x を開けません.</target>
 
-<source>
-<pluralform>1 byte</pluralform>
-<pluralform>%x bytes</pluralform>
-</source>
-<target>
-<pluralform>%x バイト</pluralform>
-</target>
-
-<source>%x MB</source>
-<target>%x MB</target>
-
-<source>%x KB</source>
-<target>%x KB</target>
-
-<source>%x GB</source>
-<target>%x GB</target>
-
 <source>Drag && drop</source>
 <target>ドラッグ && ドロップ</target>
 
@@ -688,7 +704,7 @@ Actual: %y bytes
 <target>3. 'スタート'をクリック.</target>
 
 <source>To get started just import a "ffs_batch" file.</source>
-<target></target>
+<target>"ffs_batch" をインポート後、すぐに開始.</target>
 
 <source>Folders to watch:</source>
 <target>監視するフォルダ:</target>
@@ -758,6 +774,23 @@ The command is triggered if:
 <source>&Retry</source>
 <target>再試行(&R)</target>
 
+<source>
+<pluralform>1 byte</pluralform>
+<pluralform>%x bytes</pluralform>
+</source>
+<target>
+<pluralform>%x バイト</pluralform>
+</target>
+
+<source>%x MB</source>
+<target>%x MB</target>
+
+<source>%x KB</source>
+<target>%x KB</target>
+
+<source>%x GB</source>
+<target>%x GB</target>
+
 <source>Loading...</source>
 <target>読み込み中...</target>
 
@@ -902,7 +935,7 @@ The command is triggered if:
 <target>一括ジョブで保存(&B)...</target>
 
 <source>Show &log</source>
-<target></target>
+<target>ログを表示(&L)</target>
 
 <source>Start &comparison</source>
 <target>比較を開始(&C)</target>
@@ -964,9 +997,6 @@ The command is triggered if:
 <source>Access online storage</source>
 <target>オンライン ストレージにアクセス</target>
 
-<source>Swap sides</source>
-<target>パネルを入れ替え</target>
-
 <source>Close search bar</source>
 <target>検索バーを閉じる</target>
 
@@ -991,6 +1021,9 @@ The command is triggered if:
 <source>View type:</source>
 <target>表示形式:</target>
 
+<source>Save as default</source>
+<target>既定として保存</target>
+
 <source>Select view:</source>
 <target>選択表示:</target>
 
@@ -1048,6 +1081,15 @@ The command is triggered if:
 <source>Handle daylight saving time</source>
 <target>夏時間の取り扱い</target>
 
+<source>Ignore errors</source>
+<target>エラーを無視</target>
+
+<source>Retry count:</source>
+<target>再試行回数:</target>
+
+<source>Delay (in seconds):</source>
+<target>遅延 (秒で指定):</target>
+
 <source>Performance improvements:</source>
 <target>パフォーマンス向上:</target>
 
@@ -1122,17 +1164,11 @@ The command is triggered if:
 <source>Last x days:</source>
 <target>x 日以降:</target>
 
-<source>Ignore errors</source>
-<target>エラーを無視</target>
-
-<source>Retry count:</source>
-<target>再試行回数:</target>
-
-<source>Delay (in seconds):</source>
-<target>遅延 (秒で指定):</target>
+<source>&Override default log path:</source>
+<target>既定のログ保存パスに上書き(&Q):</target>
 
-<source>Run a command after synchronization:</source>
-<target>同期処理後に実行するコマンド:</target>
+<source>Run a command:</source>
+<target>コマンドを実行:</target>
 
 <source>OK</source>
 <target>OK</target>
@@ -1182,6 +1218,9 @@ The command is triggered if:
 <source>Directory on server:</source>
 <target>サーバ上のディレクトリ:</target>
 
+<source>Access timeout (in seconds):</source>
+<target>アクセスのタイムアウト(秒):</target>
+
 <source>SFTP channels per connection:</source>
 <target>接続当たりの SFTP チャンネル数:</target>
 
@@ -1260,12 +1299,6 @@ The command is triggered if:
 <source>Stop synchronization at first error</source>
 <target>最初のエラーで同期処理を停止</target>
 
-<source>Save log:</source>
-<target>ログ保存:</target>
-
-<source>Limit number of log files:</source>
-<target>ログファイル数の制限:</target>
-
 <source>How can I schedule a batch job?</source>
 <target>一括ジョブ スケジュールの作成方法</target>
 
@@ -1302,8 +1335,11 @@ This guarantees a consistent state even in case of a serious error.
 <source>Show all permanently hidden dialogs and warning messages again</source>
 <target>非表示にしたすべてのダイアログと警告メッセージを再表示</target>
 
-<source>Remove old log files after x days:</source>
-<target></target>
+<source>Default log path:</source>
+<target>既定のログ保存パス:</target>
+
+<source>&Delete logs after x days:</source>
+<target>x 日経過後にログを削除(&D):</target>
 
 <source>Customize context menu:</source>
 <target>コンテキストメニューのカスタマイズ:</target>
@@ -1314,8 +1350,8 @@ This guarantees a consistent state even in case of a serious error.
 <source>&Default</source>
 <target>デフォルト(&D)</target>
 
-<source>Feedback and suggestions are welcome</source>
-<target>フィードバック、提案などはこちらから</target>
+<source>Feedback and suggestions are welcome:</source>
+<target>フィードバック、提案はいつでも歓迎します:</target>
 
 <source>Home page</source>
 <target>ホーム ページ</target>
@@ -1341,8 +1377,8 @@ This guarantees a consistent state even in case of a serious error.
 <source>Source code written in C++ using:</source>
 <target>ソースコードは C++ で書かれています:</target>
 
-<source>Published under the GNU General Public License</source>
-<target>GNU 一般共有使用許諾に基づき公開</target>
+<source>Published under the GNU General Public License:</source>
+<target>GNU 一般公衆ライセンスの下で公開されています:</target>
 
 <source>Many thanks for localization:</source>
 <target>ローカライズのご協力に感謝します:</target>
@@ -1399,7 +1435,7 @@ This guarantees a consistent state even in case of a serious error.
 <target>情報</target>
 
 <source>No log entries</source>
-<target></target>
+<target>ログ エントリなし</target>
 
 <source>Select all</source>
 <target>すべて選択</target>
@@ -1425,6 +1461,9 @@ This guarantees a consistent state even in case of a serious error.
 <source>Overview</source>
 <target>概要</target>
 
+<source>Swap sides</source>
+<target>パネルを入れ替え</target>
+
 <source>Show "%x"</source>
 <target>"%x" で表示</target>
 
@@ -1595,9 +1634,6 @@ This guarantees a consistent state even in case of a serious error.
 <source>Show filtered or temporarily excluded files</source>
 <target>フィルター済、または一時除外ファイルを表示</target>
 
-<source>Save as default</source>
-<target>既定として保存</target>
-
 <source>Filter</source>
 <target>フィルター</target>
 
@@ -1938,12 +1974,6 @@ This guarantees a consistent state even in case of a serious error.
 <source>Checking recycle bin failed for folder %x.</source>
 <target>フォルダ %x のゴミ箱のチェックに失敗.</target>
 
-<source>The following XML elements could not be read:</source>
-<target>次の XML 要素は読み取ることができません:</target>
-
-<source>Configuration file %x is incomplete. The missing elements will be set to their default values.</source>
-<target>構成設定ファイル %x は不完全です。存在しない要素が既定値としてセットされています.</target>
-
 <source>Prepare installation</source>
 <target>インストールの準備</target>
 
diff --git a/FreeFileSync/Build/Languages/korean.lng b/FreeFileSync/Build/Languages/korean.lng
index 811c7c51..91efd696 100755
--- a/FreeFileSync/Build/Languages/korean.lng
+++ b/FreeFileSync/Build/Languages/korean.lng
@@ -142,7 +142,7 @@
 </target>
 
 <source>File %x has an invalid date.</source>
-<target>파일 %x 의 날짜가 유효하지 않습니다.</target>
+<target>파일 %x의 날짜가 유효하지 않습니다.</target>
 
 <source>Date:</source>
 <target>날짜:</target>
@@ -159,6 +159,9 @@
 <source>Items differ in attributes only</source>
 <target>항목들이 속성에서만 차이가 있습니다.</target>
 
+<source>The name %x is used by more than one item in the folder.</source>
+<target>이름 %x이(가) 같은 폴더 내 한 개 이상의 항목에서 사용되고 있습니다.</target>
+
 <source>Resolving symbolic link %x</source>
 <target>심볼릭 링크 %x 해결</target>
 
@@ -186,9 +189,6 @@
 <source>File time tolerance</source>
 <target>파일 시간 허용</target>
 
-<source>Folder access timeout</source>
-<target>폴더 접근 제한</target>
-
 <source>Run with background priority</source>
 <target>배경 우선 순위로 실행</target>
 
@@ -332,8 +332,11 @@
 <source>Update attributes on right</source>
 <target>우측 속성 업데이트</target>
 
-<source>Warning</source>
-<target>경고</target>
+<source>Errors:</source>
+<target>오류:</target>
+
+<source>Warnings:</source>
+<target>경고:</target>
 
 <source>Items processed:</source>
 <target>처리된 항목:</target>
@@ -344,6 +347,9 @@
 <source>Total time:</source>
 <target>전체 시간:</target>
 
+<source>Warning</source>
+<target>경고</target>
+
 <source>Stopped</source>
 <target>중단</target>
 
@@ -353,6 +359,21 @@
 <source>Error parsing file %x, row %y, column %z.</source>
 <target>분석 오류 - 파일: %x; 행: %y; 열: %z.</target>
 
+<source>Services</source>
+<target>서비스</target>
+
+<source>Show All</source>
+<target>모두 보이기</target>
+
+<source>Hide Others</source>
+<target>기타 다른 항목 숨기기</target>
+
+<source>Hide %x</source>
+<target>%x 숨기기</target>
+
+<source>Quit %x</source>
+<target>%x 끝내기</target>
+
 <source>Cannot set directory locks for the following folders:</source>
 <target>다음 폴더의 디렉터리 잠금을 설정할 수 없습니다:</target>
 
@@ -367,10 +388,10 @@
 <source>Cannot read directory %x.</source>
 <target>디렉터리 %x을(를) 읽을 수 없습니다.</target>
 
-<source>/sec</source>
-<target>/초</target>
+<source>%x/sec</source>
+<target>%x/초</target>
 
-<source>%x items/sec</source>
+<source>%x items</source>
 <target>%x 항목</target>
 
 <source>Show in Explorer</source>
@@ -416,7 +437,7 @@
 <target>파일 크기</target>
 
 <source>Two way</source>
-<target>양측 방향 (Two Way)</target>
+<target>양측 방향 (투 웨이)</target>
 
 <source>Mirror</source>
 <target>미러</target>
@@ -520,11 +541,11 @@
 <source>Generating database...</source>
 <target>데이터베이스 생성 중...</target>
 
-<source>Searching for excess file versions:</source>
-<target>초과 파일 버전 검색 중:</target>
+<source>Searching for old file versions:</source>
+<target>이전 파일 버전 검색 중:</target>
 
-<source>Removing excess file versions:</source>
-<target>초과 파일 버전 제거 중:</target>
+<source>Removing old file versions:</source>
+<target>이전 파일 버전 제거 중:</target>
 
 <source>Unable to create time stamp for versioning:</source>
 <target>버전 관리를 위한 타임 스탬프 생성 불가:</target>
@@ -582,6 +603,24 @@ Actual: %y bytes
 <source>Unable to move %x to the recycle bin.</source>
 <target>휴지통으로 %x을(를) 이동할 수 없습니다.</target>
 
+<source>Unable to access %x.</source>
+<target>%x에 접근할 수 없습니다.</target>
+
+<source>Authentication completed.</source>
+<target>인증 완료.</target>
+
+<source>Authentication failed.</source>
+<target>인증 실패.</target>
+
+<source>You may close this page now and continue with FreeFileSync.</source>
+<target>지금 이 페이지를 닫고 FreeFileSync를 계속 진행할 수 있습니다.</target>
+
+<source>The server returned an error:</source>
+<target>서버가 오류를 반환했습니다:</target>
+
+<source>Cannot determine free disk space for %x.</source>
+<target>%x에 대한 사용 가능한 디스크 공간을 확인할 수 없습니다.</target>
+
 <source>Cannot find %x.</source>
 <target>%x을(를) 찾을 수 없습니다.</target>
 
@@ -594,18 +633,12 @@ Actual: %y bytes
 <source>Cannot delete symbolic link %x.</source>
 <target>심볼릭 링크 %x을(를) 삭제할 수 없습니다.</target>
 
-<source>Cannot determine free disk space for %x.</source>
-<target>%x에 대한 사용 가능한 디스크 공간을 확인할 수 없습니다.</target>
-
 <source>Incorrect command line:</source>
 <target>부정확한 명령줄:</target>
 
 <source>The server does not support authentication via %x.</source>
 <target>서버가 %x을(를) 통한 인증을 지원하지 않습니다.</target>
 
-<source>Unable to access %x.</source>
-<target>%x에 접근할 수 없습니다.</target>
-
 <source>
 <pluralform>Operation timed out after 1 second.</pluralform>
 <pluralform>Operation timed out after %x seconds.</pluralform>
@@ -628,23 +661,6 @@ Actual: %y bytes
 <source>Failed to open SFTP channel number %x.</source>
 <target>SFTP 채널번호 %x을(를) 열지 못 했습니다.</target>
 
-<source>
-<pluralform>1 byte</pluralform>
-<pluralform>%x bytes</pluralform>
-</source>
-<target>
-<pluralform>%x 바이트</pluralform>
-</target>
-
-<source>%x MB</source>
-<target>%x MB</target>
-
-<source>%x KB</source>
-<target>%x KB</target>
-
-<source>%x GB</source>
-<target>%x GB</target>
-
 <source>Drag && drop</source>
 <target>끌어서 놓기(&&) [드래그-앤-드랍]</target>
 
@@ -758,6 +774,23 @@ The command is triggered if:
 <source>&Retry</source>
 <target>다시 시도(&R)</target>
 
+<source>
+<pluralform>1 byte</pluralform>
+<pluralform>%x bytes</pluralform>
+</source>
+<target>
+<pluralform>%x 바이트</pluralform>
+</target>
+
+<source>%x MB</source>
+<target>%x MB</target>
+
+<source>%x KB</source>
+<target>%x KB</target>
+
+<source>%x GB</source>
+<target>%x GB</target>
+
 <source>Loading...</source>
 <target>로드 중...</target>
 
@@ -902,7 +935,7 @@ The command is triggered if:
 <target>일괄 작업으로 저장(&b)...</target>
 
 <source>Show &log</source>
-<target></target>
+<target>로그 표시(&l)</target>
 
 <source>Start &comparison</source>
 <target>비교 시작(&C)</target>
@@ -964,9 +997,6 @@ The command is triggered if:
 <source>Access online storage</source>
 <target>온라인 저장소 접속</target>
 
-<source>Swap sides</source>
-<target>양측 위치 바꾸기</target>
-
 <source>Close search bar</source>
 <target>검색 창 닫기</target>
 
@@ -991,6 +1021,9 @@ The command is triggered if:
 <source>View type:</source>
 <target>유형 보기:</target>
 
+<source>Save as default</source>
+<target>기본 값으로 저장</target>
+
 <source>Select view:</source>
 <target>보기 선택:</target>
 
@@ -1048,6 +1081,15 @@ The command is triggered if:
 <source>Handle daylight saving time</source>
 <target>서머타임 설정</target>
 
+<source>Ignore errors</source>
+<target>오류 무시</target>
+
+<source>Retry count:</source>
+<target>재시도 횟수:</target>
+
+<source>Delay (in seconds):</source>
+<target>지연 (초 단위):</target>
+
 <source>Performance improvements:</source>
 <target>성능 향상:</target>
 
@@ -1122,17 +1164,11 @@ The command is triggered if:
 <source>Last x days:</source>
 <target>최근 x일:</target>
 
-<source>Ignore errors</source>
-<target>오류 무시</target>
-
-<source>Retry count:</source>
-<target>재시도 횟수:</target>
-
-<source>Delay (in seconds):</source>
-<target>지연 (초 단위):</target>
+<source>&Override default log path:</source>
+<target>기본 로그 경로 다시 정의(&O):</target>
 
-<source>Run a command after synchronization:</source>
-<target>동기화 이후 명령 실행:</target>
+<source>Run a command:</source>
+<target>명령 실행:</target>
 
 <source>OK</source>
 <target>확인</target>
@@ -1182,6 +1218,9 @@ The command is triggered if:
 <source>Directory on server:</source>
 <target>서버 디렉터리:</target>
 
+<source>Access timeout (in seconds):</source>
+<target>액세스 제한 시간(초):</target>
+
 <source>SFTP channels per connection:</source>
 <target>연결 당 SFTP 채널 수:</target>
 
@@ -1260,12 +1299,6 @@ The command is triggered if:
 <source>Stop synchronization at first error</source>
 <target>첫 오류 발생 시 동기화 중지</target>
 
-<source>Save log:</source>
-<target>로그 저장:</target>
-
-<source>Limit number of log files:</source>
-<target>로그 파일 개수 제한:</target>
-
 <source>How can I schedule a batch job?</source>
 <target>일괄 작업 예약 방법은?</target>
 
@@ -1302,8 +1335,11 @@ This guarantees a consistent state even in case of a serious error.
 <source>Show all permanently hidden dialogs and warning messages again</source>
 <target>영구적으로 숨겨진 모든 대화 상자 및 경고 메세지 다시 보이기</target>
 
-<source>Remove old log files after x days:</source>
-<target></target>
+<source>Default log path:</source>
+<target>기본 로그 경로:</target>
+
+<source>&Delete logs after x days:</source>
+<target>x일 후에 로그 삭제(&D):</target>
 
 <source>Customize context menu:</source>
 <target>컨텍스트 메뉴 커스터마이즈 (사용자 정의):</target>
@@ -1314,8 +1350,8 @@ This guarantees a consistent state even in case of a serious error.
 <source>&Default</source>
 <target>기본 설정/값(&D)</target>
 
-<source>Feedback and suggestions are welcome</source>
-<target>모든 의견 및 건의/제안을 환영합니다</target>
+<source>Feedback and suggestions are welcome:</source>
+<target>모든 의견 및 제안을 환영합니다:</target>
 
 <source>Home page</source>
 <target>홈페이지</target>
@@ -1341,8 +1377,8 @@ This guarantees a consistent state even in case of a serious error.
 <source>Source code written in C++ using:</source>
 <target>소스코드는 C++ 언어로 아래 툴을 사용하여 작성되었습니다:</target>
 
-<source>Published under the GNU General Public License</source>
-<target>GNU 일반 공용 라이센스에 의한 출시</target>
+<source>Published under the GNU General Public License:</source>
+<target>GNU 일반 공용 라이센스에 의한 출시:</target>
 
 <source>Many thanks for localization:</source>
 <target>현지화 작업에 깊은 감사 드립니다:</target>
@@ -1399,7 +1435,7 @@ This guarantees a consistent state even in case of a serious error.
 <target>정보</target>
 
 <source>No log entries</source>
-<target></target>
+<target>로그 항목 없음</target>
 
 <source>Select all</source>
 <target>모두 선택</target>
@@ -1425,6 +1461,9 @@ This guarantees a consistent state even in case of a serious error.
 <source>Overview</source>
 <target>개요</target>
 
+<source>Swap sides</source>
+<target>양측 위치 바꾸기</target>
+
 <source>Show "%x"</source>
 <target>"%x" 표시</target>
 
@@ -1595,9 +1634,6 @@ This guarantees a consistent state even in case of a serious error.
 <source>Show filtered or temporarily excluded files</source>
 <target>필터링 또는 일시적으로 제외된 파일 보이기</target>
 
-<source>Save as default</source>
-<target>기본 값으로 저장</target>
-
 <source>Filter</source>
 <target>필터</target>
 
@@ -1938,12 +1974,6 @@ This guarantees a consistent state even in case of a serious error.
 <source>Checking recycle bin failed for folder %x.</source>
 <target>폴더 %x에 관한 휴지통 실패 확인 중.</target>
 
-<source>The following XML elements could not be read:</source>
-<target>다음 XML 요소를 읽을 수 없습니다:</target>
-
-<source>Configuration file %x is incomplete. The missing elements will be set to their default values.</source>
-<target>구성 파일 %x이(가) 불완전합니다. 누락된 요소는 기본 값으로 설정됩니다.</target>
-
 <source>Prepare installation</source>
 <target>설치 준비</target>
 
diff --git a/FreeFileSync/Build/Languages/lithuanian.lng b/FreeFileSync/Build/Languages/lithuanian.lng
index efb1c91f..e7029e08 100755
--- a/FreeFileSync/Build/Languages/lithuanian.lng
+++ b/FreeFileSync/Build/Languages/lithuanian.lng
@@ -161,6 +161,9 @@
 <source>Items differ in attributes only</source>
 <target>Elementai skiriasi tik atributais</target>
 
+<source>The name %x is used by more than one item in the folder.</source>
+<target>Šis pavadinimas %x yra naudojamas daugiau nei vieną kartą.</target>
+
 <source>Resolving symbolic link %x</source>
 <target>Ieškoma simbolinės nuorodos %x</target>
 
@@ -188,9 +191,6 @@
 <source>File time tolerance</source>
 <target>Failo laiko nuokrypis</target>
 
-<source>Folder access timeout</source>
-<target>Pasibaigė skirtas laikas aplankui pasiekti</target>
-
 <source>Run with background priority</source>
 <target>Vykdyti kaip aukštesnio prioriteto poprograme</target>
 
@@ -336,8 +336,11 @@
 <source>Update attributes on right</source>
 <target>Atnaujinti atributus dešinėje</target>
 
-<source>Warning</source>
-<target>Perspėjimas</target>
+<source>Errors:</source>
+<target>Klaidos:</target>
+
+<source>Warnings:</source>
+<target>Įspėimai:</target>
 
 <source>Items processed:</source>
 <target>Elementų apdorota:</target>
@@ -348,6 +351,9 @@
 <source>Total time:</source>
 <target>Visas laikas:</target>
 
+<source>Warning</source>
+<target>Perspėjimas</target>
+
 <source>Stopped</source>
 <target>Sustabdyta</target>
 
@@ -357,6 +363,21 @@
 <source>Error parsing file %x, row %y, column %z.</source>
 <target>Klaida trinant failą %x, eilė %y, stulpelis %z.</target>
 
+<source>Services</source>
+<target>Paslaugos</target>
+
+<source>Show All</source>
+<target>Rodyti Visus</target>
+
+<source>Hide Others</source>
+<target>Slėpti Kitus</target>
+
+<source>Hide %x</source>
+<target>Slėpti %x</target>
+
+<source>Quit %x</source>
+<target>Išeiti %x</target>
+
 <source>Cannot set directory locks for the following folders:</source>
 <target>Negalima užrakinti šiuos aplankus kataloge:</target>
 
@@ -373,11 +394,11 @@
 <source>Cannot read directory %x.</source>
 <target>Negalima nuskaityti katalogo %x.</target>
 
-<source>/sec</source>
-<target>/sek.</target>
+<source>%x/sec</source>
+<target>%x/sek</target>
 
-<source>%x items/sec</source>
-<target>%x elementų/sek.</target>
+<source>%x items</source>
+<target>%x elementų</target>
 
 <source>Show in Explorer</source>
 <target>Rodyti naršyklėje</target>
@@ -526,11 +547,11 @@
 <source>Generating database...</source>
 <target>Sukuriama duomenų bazė...</target>
 
-<source>Searching for excess file versions:</source>
-<target>Perviršio failų versijos paieška:</target>
+<source>Searching for old file versions:</source>
+<target>Ieškoma senų failo versijų:</target>
 
-<source>Removing excess file versions:</source>
-<target>Perviršio failų versijos pašąlinimas:</target>
+<source>Removing old file versions:</source>
+<target>Pašalinamos senos failo versijos:</target>
 
 <source>Unable to create time stamp for versioning:</source>
 <target>Nepavyko sukurti versijos laiko žymą:</target>
@@ -588,6 +609,24 @@ Esamas: %y baitai
 <source>Unable to move %x to the recycle bin.</source>
 <target>%x į šiukšliadėžę perkelti nepavyko.</target>
 
+<source>Unable to access %x.</source>
+<target>Nepavyko prisijungti %x.</target>
+
+<source>Authentication completed.</source>
+<target>Autentifikavimas baigtas.</target>
+
+<source>Authentication failed.</source>
+<target>Nepavyko autentifikuoti.</target>
+
+<source>You may close this page now and continue with FreeFileSync.</source>
+<target>Jūs dabar galite uždaryti šį langą ir testi FreeFileSync.</target>
+
+<source>The server returned an error:</source>
+<target>Serveris gražino klaidą:</target>
+
+<source>Cannot determine free disk space for %x.</source>
+<target>Negalima nustatyti laisvos disko dalies %x.</target>
+
 <source>Cannot find %x.</source>
 <target>Negalima surasti %x.</target>
 
@@ -600,18 +639,12 @@ Esamas: %y baitai
 <source>Cannot delete symbolic link %x.</source>
 <target>Negalima ištrinti virtualios nuorodos %x.</target>
 
-<source>Cannot determine free disk space for %x.</source>
-<target>Negalima nustatyti laisvos disko dalies %x.</target>
-
 <source>Incorrect command line:</source>
 <target>Netaisyklinga Komandinė eilutė:</target>
 
 <source>The server does not support authentication via %x.</source>
 <target>Serveris nepalaiko %x autentifikavimo.</target>
 
-<source>Unable to access %x.</source>
-<target>Nepavyko prisijungti %x.</target>
-
 <source>
 <pluralform>Operation timed out after 1 second.</pluralform>
 <pluralform>Operation timed out after %x seconds.</pluralform>
@@ -638,25 +671,6 @@ Esamas: %y baitai
 <source>Failed to open SFTP channel number %x.</source>
 <target>Nepavyko atidaryti SFTP kanalo %x.</target>
 
-<source>
-<pluralform>1 byte</pluralform>
-<pluralform>%x bytes</pluralform>
-</source>
-<target>
-<pluralform>%x baitas</pluralform>
-<pluralform>%x baitai</pluralform>
-<pluralform>%x baitų</pluralform>
-</target>
-
-<source>%x MB</source>
-<target>%x MB</target>
-
-<source>%x KB</source>
-<target>%x KB</target>
-
-<source>%x GB</source>
-<target>%x GB</target>
-
 <source>Drag && drop</source>
 <target>Vilkti && Numesti</target>
 
@@ -770,6 +784,25 @@ Komanda inicijuojama jei:
 <source>&Retry</source>
 <target>&Bandyti vėl</target>
 
+<source>
+<pluralform>1 byte</pluralform>
+<pluralform>%x bytes</pluralform>
+</source>
+<target>
+<pluralform>%x baitas</pluralform>
+<pluralform>%x baitai</pluralform>
+<pluralform>%x baitų</pluralform>
+</target>
+
+<source>%x MB</source>
+<target>%x MB</target>
+
+<source>%x KB</source>
+<target>%x KB</target>
+
+<source>%x GB</source>
+<target>%x GB</target>
+
 <source>Loading...</source>
 <target>Įkraunama...</target>
 
@@ -916,7 +949,7 @@ Komanda inicijuojama jei:
 <target>Išsaugoti kaip &užduočių paketą...</target>
 
 <source>Show &log</source>
-<target></target>
+<target>Rodyti &žurnalą</target>
 
 <source>Start &comparison</source>
 <target>Pradėti &palyginimą</target>
@@ -978,9 +1011,6 @@ Komanda inicijuojama jei:
 <source>Access online storage</source>
 <target>Internetinės saugyklos prieiga</target>
 
-<source>Swap sides</source>
-<target>Sukeisti puses</target>
-
 <source>Close search bar</source>
 <target>Uždaryti paieškos įrankinę</target>
 
@@ -1005,6 +1035,9 @@ Komanda inicijuojama jei:
 <source>View type:</source>
 <target>Rodymo būdai:</target>
 
+<source>Save as default</source>
+<target>Išsaugoti kaip pagrindinį</target>
+
 <source>Select view:</source>
 <target>Pasirinkti rodymo būdą:</target>
 
@@ -1062,6 +1095,15 @@ Komanda inicijuojama jei:
 <source>Handle daylight saving time</source>
 <target>Naudoti vasaros laiką</target>
 
+<source>Ignore errors</source>
+<target>Ignoruoti klaidas</target>
+
+<source>Retry count:</source>
+<target>Skaičiuoti is naujo:</target>
+
+<source>Delay (in seconds):</source>
+<target>Uždelsimas (sekundėmis):</target>
+
 <source>Performance improvements:</source>
 <target>Veiklos gerinimai:</target>
 
@@ -1136,17 +1178,11 @@ Komanda inicijuojama jei:
 <source>Last x days:</source>
 <target>Paskutinių x dienų:</target>
 
-<source>Ignore errors</source>
-<target>Ignoruoti klaidas</target>
-
-<source>Retry count:</source>
-<target>Skaičiuoti is naujo:</target>
-
-<source>Delay (in seconds):</source>
-<target>Uždelsimas (sekundėmis):</target>
+<source>&Override default log path:</source>
+<target>&Pakeisti pradinę žurnalo nuorodą:</target>
 
-<source>Run a command after synchronization:</source>
-<target>Po sinchronizavimo vykdyti komandą:</target>
+<source>Run a command:</source>
+<target>Vykdyti komandą:</target>
 
 <source>OK</source>
 <target>Gerai</target>
@@ -1196,6 +1232,9 @@ Komanda inicijuojama jei:
 <source>Directory on server:</source>
 <target>Katalogas serveryje:</target>
 
+<source>Access timeout (in seconds):</source>
+<target>Prieigos laikas pasibaigs (sekundės):</target>
+
 <source>SFTP channels per connection:</source>
 <target>SFTP kanalai per jungtį:</target>
 
@@ -1274,12 +1313,6 @@ Komanda inicijuojama jei:
 <source>Stop synchronization at first error</source>
 <target>Stabdyti suvienodinimą, pirmai klaidai įvykus</target>
 
-<source>Save log:</source>
-<target>Išsaugoti žurnalą:</target>
-
-<source>Limit number of log files:</source>
-<target>Žurnalinių failų riba:</target>
-
 <source>How can I schedule a batch job?</source>
 <target>Kaip aš galiu užduočių paketą įtraukti į tvarkaraštį?</target>
 
@@ -1316,8 +1349,11 @@ Tai garantuos pastovią buseną, netgi įvykus rimtai klaidai.
 <source>Show all permanently hidden dialogs and warning messages again</source>
 <target>Vėl rodyti visus paslėptus dialogo langus ir įspėjamuosius pranešimus</target>
 
-<source>Remove old log files after x days:</source>
-<target></target>
+<source>Default log path:</source>
+<target>Pradinė žurnalo nuoroda:</target>
+
+<source>&Delete logs after x days:</source>
+<target>&Ištrinti žurnalo įrašus po x dienų:</target>
 
 <source>Customize context menu:</source>
 <target>Pagrindinio meniu pasirinkimai:</target>
@@ -1328,8 +1364,8 @@ Tai garantuos pastovią buseną, netgi įvykus rimtai klaidai.
 <source>&Default</source>
 <target>&Numatyta</target>
 
-<source>Feedback and suggestions are welcome</source>
-<target>Nuomonė ir patarimai laukiami</target>
+<source>Feedback and suggestions are welcome:</source>
+<target>Nuomonės ir pasiūlymai yra laukiami:</target>
 
 <source>Home page</source>
 <target>Pagrindinis puslapis</target>
@@ -1355,8 +1391,8 @@ Tai garantuos pastovią buseną, netgi įvykus rimtai klaidai.
 <source>Source code written in C++ using:</source>
 <target>Šaltinio kodas parašytas su C++ naudojant:</target>
 
-<source>Published under the GNU General Public License</source>
-<target>Platinama su GNU General Public licenzija</target>
+<source>Published under the GNU General Public License:</source>
+<target>Publikuota naudojant GNU General Public License:</target>
 
 <source>Many thanks for localization:</source>
 <target>Labai dėkojame už vertimą:</target>
@@ -1413,7 +1449,7 @@ Tai garantuos pastovią buseną, netgi įvykus rimtai klaidai.
 <target>Informacija</target>
 
 <source>No log entries</source>
-<target></target>
+<target>Nėra žurnalo įrašų</target>
 
 <source>Select all</source>
 <target>Pažymėti visus</target>
@@ -1439,6 +1475,9 @@ Tai garantuos pastovią buseną, netgi įvykus rimtai klaidai.
 <source>Overview</source>
 <target>Apžvalga</target>
 
+<source>Swap sides</source>
+<target>Sukeisti puses</target>
+
 <source>Show "%x"</source>
 <target>Rodyti "%x"</target>
 
@@ -1617,9 +1656,6 @@ Tai garantuos pastovią buseną, netgi įvykus rimtai klaidai.
 <source>Show filtered or temporarily excluded files</source>
 <target>Rodyti išfiltruotus ar laikinai išskirtus failus</target>
 
-<source>Save as default</source>
-<target>Išsaugoti kaip pagrindinį</target>
-
 <source>Filter</source>
 <target>Filtras</target>
 
@@ -1970,12 +2006,6 @@ Tai garantuos pastovią buseną, netgi įvykus rimtai klaidai.
 <source>Checking recycle bin failed for folder %x.</source>
 <target>Tikrinama šiukšliadėžė. Failas %x nerastas.</target>
 
-<source>The following XML elements could not be read:</source>
-<target>Šie XML elementai yra neperskaitomi:</target>
-
-<source>Configuration file %x is incomplete. The missing elements will be set to their default values.</source>
-<target>Konfiguracinis failas %x yra neužbaigtas. Trūkstamiems elementams bus priskirtos pradinės rekšmės.</target>
-
 <source>Prepare installation</source>
 <target>Ruošiamasi įdiegimui</target>
 
diff --git a/FreeFileSync/Build/Languages/norwegian.lng b/FreeFileSync/Build/Languages/norwegian.lng
index 134e2215..97e97cce 100755
--- a/FreeFileSync/Build/Languages/norwegian.lng
+++ b/FreeFileSync/Build/Languages/norwegian.lng
@@ -7,15 +7,6 @@
 	<plural_definition>n == 1 ? 0 : 1</plural_definition>
 </header>
 
-<source>No log entries</source>
-<target></target>
-
-<source>Remove old log files after x days:</source>
-<target></target>
-
-<source>Show &log</source>
-<target></target>
-
 <source>Both sides have changed since last synchronization.</source>
 <target>Begge sider er endret siden siste synkronisering.</target>
 
@@ -169,6 +160,9 @@
 <source>Items differ in attributes only</source>
 <target>Elementene har kun forskjellige attributter</target>
 
+<source>The name %x is used by more than one item in the folder.</source>
+<target>Navnet %x brukes av mer enn ett element i mappen.</target>
+
 <source>Resolving symbolic link %x</source>
 <target>Løser symbolsk forbindelse %x</target>
 
@@ -196,9 +190,6 @@
 <source>File time tolerance</source>
 <target>Filtid toleranse</target>
 
-<source>Folder access timeout</source>
-<target>Tidsavbrudd for mappetilgang</target>
-
 <source>Run with background priority</source>
 <target>Kjør med bakgrunns-prioritet</target>
 
@@ -343,8 +334,11 @@
 <source>Update attributes on right</source>
 <target>Oppdater attributter til høyre</target>
 
-<source>Warning</source>
-<target>Advarsel</target>
+<source>Errors:</source>
+<target>Feil:</target>
+
+<source>Warnings:</source>
+<target>Advarsler:</target>
 
 <source>Items processed:</source>
 <target>Elementer behandlet:</target>
@@ -355,6 +349,9 @@
 <source>Total time:</source>
 <target>Samlet tid:</target>
 
+<source>Warning</source>
+<target>Advarsel</target>
+
 <source>Stopped</source>
 <target>Stoppet</target>
 
@@ -364,6 +361,21 @@
 <source>Error parsing file %x, row %y, column %z.</source>
 <target>Behandlingsfeil i filen %x, rad %y, kolonne %z.</target>
 
+<source>Services</source>
+<target>Tjenester</target>
+
+<source>Show All</source>
+<target>Vis alt</target>
+
+<source>Hide Others</source>
+<target>Skjul andre</target>
+
+<source>Hide %x</source>
+<target>Skjul %x</target>
+
+<source>Quit %x</source>
+<target>Avslutt %x</target>
+
 <source>Cannot set directory locks for the following folders:</source>
 <target>Kan ikke angi kataloglås for følgende mapper:</target>
 
@@ -379,11 +391,11 @@
 <source>Cannot read directory %x.</source>
 <target>Kan ikke lese katalogen %x.</target>
 
-<source>/sec</source>
-<target>/sek</target>
+<source>%x/sec</source>
+<target>%x/sek</target>
 
-<source>%x items/sec</source>
-<target>%x elementer/sek</target>
+<source>%x items</source>
+<target>%x elementer</target>
 
 <source>Show in Explorer</source>
 <target>Vis i Explorer</target>
@@ -532,11 +544,11 @@
 <source>Generating database...</source>
 <target>Lager database...</target>
 
-<source>Searching for excess file versions:</source>
-<target>Søker etter overskytende filversjoner:</target>
+<source>Searching for old file versions:</source>
+<target>Leter etter gamle filversjoner:</target>
 
-<source>Removing excess file versions:</source>
-<target>Fjerne overskytende filversjoner:</target>
+<source>Removing old file versions:</source>
+<target>Fjerner gamle filversjoner:</target>
 
 <source>Unable to create time stamp for versioning:</source>
 <target>Kan ikke opprette tidsstempel til versjonen:</target>
@@ -594,6 +606,24 @@ Faktisk: %y bytes
 <source>Unable to move %x to the recycle bin.</source>
 <target>Kunne ikke flytte %x til papirkurven.</target>
 
+<source>Unable to access %x.</source>
+<target>Får ikke tilgang til %x.</target>
+
+<source>Authentication completed.</source>
+<target>Autentisering er ferdig.</target>
+
+<source>Authentication failed.</source>
+<target>Autentisering mislyktes.</target>
+
+<source>You may close this page now and continue with FreeFileSync.</source>
+<target>Du kan lukke denne siden nå og fortsette med FreeFileSync.</target>
+
+<source>The server returned an error:</source>
+<target>Serveren returnerte en feilmelding:</target>
+
+<source>Cannot determine free disk space for %x.</source>
+<target>Kan ikke fastslå ledig diskplass for %x.</target>
+
 <source>Cannot find %x.</source>
 <target>Kan ikke finne %x.</target>
 
@@ -606,18 +636,12 @@ Faktisk: %y bytes
 <source>Cannot delete symbolic link %x.</source>
 <target>Kan ikke slette symbolsk lenke %x.</target>
 
-<source>Cannot determine free disk space for %x.</source>
-<target>Kan ikke fastslå ledig diskplass for %x.</target>
-
 <source>Incorrect command line:</source>
 <target>Ugyldig kommando:</target>
 
 <source>The server does not support authentication via %x.</source>
 <target>Tjeneren støtter ikke autentisering via %x.</target>
 
-<source>Unable to access %x.</source>
-<target>Får ikke tilgang til %x.</target>
-
 <source>
 <pluralform>Operation timed out after 1 second.</pluralform>
 <pluralform>Operation timed out after %x seconds.</pluralform>
@@ -642,24 +666,6 @@ Faktisk: %y bytes
 <source>Failed to open SFTP channel number %x.</source>
 <target>Kunne ikke åpne SFTP kanalnummer %x.</target>
 
-<source>
-<pluralform>1 byte</pluralform>
-<pluralform>%x bytes</pluralform>
-</source>
-<target>
-<pluralform>1 byte</pluralform>
-<pluralform>%x byte</pluralform>
-</target>
-
-<source>%x MB</source>
-<target>%x MB</target>
-
-<source>%x KB</source>
-<target>%x KB</target>
-
-<source>%x GB</source>
-<target>%x GB</target>
-
 <source>Drag && drop</source>
 <target>Dra && slipp</target>
 
@@ -773,6 +779,24 @@ Kommandoen utføres hvis:
 <source>&Retry</source>
 <target>&Prøv igjen</target>
 
+<source>
+<pluralform>1 byte</pluralform>
+<pluralform>%x bytes</pluralform>
+</source>
+<target>
+<pluralform>1 byte</pluralform>
+<pluralform>%x byte</pluralform>
+</target>
+
+<source>%x MB</source>
+<target>%x MB</target>
+
+<source>%x KB</source>
+<target>%x KB</target>
+
+<source>%x GB</source>
+<target>%x GB</target>
+
 <source>Loading...</source>
 <target>Laster...</target>
 
@@ -917,6 +941,9 @@ Kommandoen utføres hvis:
 <source>Save as &batch job...</source>
 <target>Lagre som &batchfil...</target>
 
+<source>Show &log</source>
+<target>Vis &logg</target>
+
 <source>Start &comparison</source>
 <target>Start &sammenligning</target>
 
@@ -977,9 +1004,6 @@ Kommandoen utføres hvis:
 <source>Access online storage</source>
 <target>Få tilgang til nettlagring</target>
 
-<source>Swap sides</source>
-<target>Bytt sider</target>
-
 <source>Close search bar</source>
 <target>Lukk søkelinja</target>
 
@@ -1004,6 +1028,9 @@ Kommandoen utføres hvis:
 <source>View type:</source>
 <target>Visning:</target>
 
+<source>Save as default</source>
+<target>Lagre som standard</target>
+
 <source>Select view:</source>
 <target>Velg visning:</target>
 
@@ -1061,6 +1088,15 @@ Kommandoen utføres hvis:
 <source>Handle daylight saving time</source>
 <target>Behandle sommertid</target>
 
+<source>Ignore errors</source>
+<target>Ignorér feil</target>
+
+<source>Retry count:</source>
+<target>Antall forsøk:</target>
+
+<source>Delay (in seconds):</source>
+<target>Forsinkelse (i sekunder):</target>
+
 <source>Performance improvements:</source>
 <target>Ytelsesforbedringer:</target>
 
@@ -1135,17 +1171,11 @@ Kommandoen utføres hvis:
 <source>Last x days:</source>
 <target>Siste x dager:</target>
 
-<source>Ignore errors</source>
-<target>Ignorér feil</target>
-
-<source>Retry count:</source>
-<target>Antall forsøk:</target>
+<source>&Override default log path:</source>
+<target>&Velg en annen loggbane:</target>
 
-<source>Delay (in seconds):</source>
-<target>Forsinkelse (i sekunder):</target>
-
-<source>Run a command after synchronization:</source>
-<target>Kjør en kommando etter synkronisering:</target>
+<source>Run a command:</source>
+<target>Kjør en kommando:</target>
 
 <source>OK</source>
 <target>OK</target>
@@ -1195,6 +1225,9 @@ Kommandoen utføres hvis:
 <source>Directory on server:</source>
 <target>Katalog på server:</target>
 
+<source>Access timeout (in seconds):</source>
+<target>Få tilgang til tidsavbrudd (i sekunder):</target>
+
 <source>SFTP channels per connection:</source>
 <target>SFTP kanaler per tilkobling:</target>
 
@@ -1273,12 +1306,6 @@ Kommandoen utføres hvis:
 <source>Stop synchronization at first error</source>
 <target>Stopp synkronisering ved første feil</target>
 
-<source>Save log:</source>
-<target>Lagre logg:</target>
-
-<source>Limit number of log files:</source>
-<target>Begrens antall loggfiler:</target>
-
 <source>How can I schedule a batch job?</source>
 <target>Hvordan kan jeg lage en batchfil?</target>
 
@@ -1315,6 +1342,12 @@ Sikrer prosessen ved alvorlige feil.
 <source>Show all permanently hidden dialogs and warning messages again</source>
 <target>Vis alle skjulte vinduer og advarsler igjen</target>
 
+<source>Default log path:</source>
+<target>Standard loggbane:</target>
+
+<source>&Delete logs after x days:</source>
+<target>&Slett logger etter x dager:</target>
+
 <source>Customize context menu:</source>
 <target>Tilpass kontekst-meny:</target>
 
@@ -1324,8 +1357,8 @@ Sikrer prosessen ved alvorlige feil.
 <source>&Default</source>
 <target>&Standard</target>
 
-<source>Feedback and suggestions are welcome</source>
-<target>Tilbakemeldinger og forslag er ønsket</target>
+<source>Feedback and suggestions are welcome:</source>
+<target>Tilbakemelding og forslag er velkomne:</target>
 
 <source>Home page</source>
 <target>Hjemmeside</target>
@@ -1351,8 +1384,8 @@ Sikrer prosessen ved alvorlige feil.
 <source>Source code written in C++ using:</source>
 <target>Kildekoden er skrevet i C++ med hjelp fra:</target>
 
-<source>Published under the GNU General Public License</source>
-<target>Utgitt under GNU General Public Licence</target>
+<source>Published under the GNU General Public License:</source>
+<target>Publisert under GNU General Public License:</target>
 
 <source>Many thanks for localization:</source>
 <target>Takk for oversettelse:</target>
@@ -1408,6 +1441,9 @@ Sikrer prosessen ved alvorlige feil.
 <source>Info</source>
 <target>Info</target>
 
+<source>No log entries</source>
+<target>Ingen loggfiler</target>
+
 <source>Select all</source>
 <target>Velg alt</target>
 
@@ -1432,6 +1468,9 @@ Sikrer prosessen ved alvorlige feil.
 <source>Overview</source>
 <target>Oversikt</target>
 
+<source>Swap sides</source>
+<target>Bytt sider</target>
+
 <source>Show "%x"</source>
 <target>Vis "%x"</target>
 
@@ -1606,9 +1645,6 @@ Sikrer prosessen ved alvorlige feil.
 <source>Show filtered or temporarily excluded files</source>
 <target>Vis filtrerte eller midlertidig ekskluderte filer</target>
 
-<source>Save as default</source>
-<target>Lagre som standard</target>
-
 <source>Filter</source>
 <target>Filter</target>
 
@@ -1954,12 +1990,6 @@ Sikrer prosessen ved alvorlige feil.
 <source>Checking recycle bin failed for folder %x.</source>
 <target>Det å sjekke papirkurven gikk galt for mappen %x.</target>
 
-<source>The following XML elements could not be read:</source>
-<target>De følgende XML-elementer kunne ikke leses:</target>
-
-<source>Configuration file %x is incomplete. The missing elements will be set to their default values.</source>
-<target>Konfigurasjonsfil %x er ufullstendig. De manglende elementene vil bli satt til standardverdiene.</target>
-
 <source>Prepare installation</source>
 <target>Forbered installering</target>
 
diff --git a/FreeFileSync/Build/Languages/polish.lng b/FreeFileSync/Build/Languages/polish.lng
index e3dd61a9..30a67068 100755
--- a/FreeFileSync/Build/Languages/polish.lng
+++ b/FreeFileSync/Build/Languages/polish.lng
@@ -161,6 +161,9 @@
 <source>Items differ in attributes only</source>
 <target>Elementy różnią się wyłącznie atrybutami</target>
 
+<source>The name %x is used by more than one item in the folder.</source>
+<target>Nazwa %x jest używana przez więcej niż jeden element w folderze.</target>
+
 <source>Resolving symbolic link %x</source>
 <target>Rozwiązywanie dowiązania symbolicznego %x</target>
 
@@ -188,9 +191,6 @@
 <source>File time tolerance</source>
 <target>Tolerancja czasu dla pliku</target>
 
-<source>Folder access timeout</source>
-<target>Limit czasu odpowiedzi podczas dostępu do katalogu</target>
-
 <source>Run with background priority</source>
 <target>Uruchom w tle z priorytetem</target>
 
@@ -336,8 +336,11 @@
 <source>Update attributes on right</source>
 <target>Aktualizuj atrybuty po prawej stronie</target>
 
-<source>Warning</source>
-<target>Ostrzeżenie</target>
+<source>Errors:</source>
+<target>Błędy:</target>
+
+<source>Warnings:</source>
+<target>Ostrzeżenia:</target>
 
 <source>Items processed:</source>
 <target>Przetworzone elementy:</target>
@@ -348,6 +351,9 @@
 <source>Total time:</source>
 <target>Całkowity czas:</target>
 
+<source>Warning</source>
+<target>Ostrzeżenie</target>
+
 <source>Stopped</source>
 <target>Zatrzymana</target>
 
@@ -357,6 +363,21 @@
 <source>Error parsing file %x, row %y, column %z.</source>
 <target>Błąd podczas parsowania pliku %x, rząd %y, kolumna %z.</target>
 
+<source>Services</source>
+<target>Usługi</target>
+
+<source>Show All</source>
+<target>Pokaż Wszystko</target>
+
+<source>Hide Others</source>
+<target>Ukryj Inne</target>
+
+<source>Hide %x</source>
+<target>Ukryj %x</target>
+
+<source>Quit %x</source>
+<target>Zamknij %x</target>
+
 <source>Cannot set directory locks for the following folders:</source>
 <target>Nie można zablokować katalogów dla poniższych folderów:</target>
 
@@ -373,11 +394,11 @@
 <source>Cannot read directory %x.</source>
 <target>Nie można odczytać katalogu %x.</target>
 
-<source>/sec</source>
-<target>/sekundę</target>
+<source>%x/sec</source>
+<target>%x/sek</target>
 
-<source>%x items/sec</source>
-<target>%x elementów/sek</target>
+<source>%x items</source>
+<target>%x elementów</target>
 
 <source>Show in Explorer</source>
 <target>Wyświetl w Eksploratorze</target>
@@ -526,11 +547,11 @@
 <source>Generating database...</source>
 <target>Generowanie bazy danych...</target>
 
-<source>Searching for excess file versions:</source>
-<target>Wyszukiwanie nadmiarowych wersji plików:</target>
+<source>Searching for old file versions:</source>
+<target>Wyszukiwanie starych wersji plików:</target>
 
-<source>Removing excess file versions:</source>
-<target>Usuwanie nadmiarowych wersji plików:</target>
+<source>Removing old file versions:</source>
+<target>Usuwanie starych wersji plików:</target>
 
 <source>Unable to create time stamp for versioning:</source>
 <target>Nie można utworzyć znacznika czasu dla wersjonowania:</target>
@@ -588,6 +609,24 @@ Przesłany: %y bajtów
 <source>Unable to move %x to the recycle bin.</source>
 <target>Nie można przenieść %x do kosza.</target>
 
+<source>Unable to access %x.</source>
+<target>Brak dostępu do %x.</target>
+
+<source>Authentication completed.</source>
+<target>Uwierzytelnianie zakończone.</target>
+
+<source>Authentication failed.</source>
+<target>Uwierzytelnianie nie powiodło się.</target>
+
+<source>You may close this page now and continue with FreeFileSync.</source>
+<target>Możesz teraz zamknąć tę stronę i kontynuować FreeFileSync.</target>
+
+<source>The server returned an error:</source>
+<target>Serwer zwrócił błąd:</target>
+
+<source>Cannot determine free disk space for %x.</source>
+<target>Nie można określić wolnego miejsca na %x.</target>
+
 <source>Cannot find %x.</source>
 <target>Nie można odnaleźć %x.</target>
 
@@ -600,18 +639,12 @@ Przesłany: %y bajtów
 <source>Cannot delete symbolic link %x.</source>
 <target>Nie można usunąć dowiązania symbolicznego %x.</target>
 
-<source>Cannot determine free disk space for %x.</source>
-<target>Nie można określić wolnego miejsca na %x.</target>
-
 <source>Incorrect command line:</source>
 <target>Niepoprawne polecenie:</target>
 
 <source>The server does not support authentication via %x.</source>
 <target>Serwer nie wspiera uwierzytelniania przez %x.</target>
 
-<source>Unable to access %x.</source>
-<target>Brak dostępu do %x.</target>
-
 <source>
 <pluralform>Operation timed out after 1 second.</pluralform>
 <pluralform>Operation timed out after %x seconds.</pluralform>
@@ -638,25 +671,6 @@ Przesłany: %y bajtów
 <source>Failed to open SFTP channel number %x.</source>
 <target>Nie można otworzyć kanału SFTP numer %x.</target>
 
-<source>
-<pluralform>1 byte</pluralform>
-<pluralform>%x bytes</pluralform>
-</source>
-<target>
-<pluralform>1 bajt</pluralform>
-<pluralform>%x bajty</pluralform>
-<pluralform>%x bajtów</pluralform>
-</target>
-
-<source>%x MB</source>
-<target>%x MB</target>
-
-<source>%x KB</source>
-<target>%x KB</target>
-
-<source>%x GB</source>
-<target>%x GB</target>
-
 <source>Drag && drop</source>
 <target>Drag && Drop</target>
 
@@ -770,6 +784,25 @@ Komenda jest wykonywana gdy:
 <source>&Retry</source>
 <target>&Powtórz</target>
 
+<source>
+<pluralform>1 byte</pluralform>
+<pluralform>%x bytes</pluralform>
+</source>
+<target>
+<pluralform>1 bajt</pluralform>
+<pluralform>%x bajty</pluralform>
+<pluralform>%x bajtów</pluralform>
+</target>
+
+<source>%x MB</source>
+<target>%x MB</target>
+
+<source>%x KB</source>
+<target>%x KB</target>
+
+<source>%x GB</source>
+<target>%x GB</target>
+
 <source>Loading...</source>
 <target>Wczytywanie...</target>
 
@@ -916,7 +949,7 @@ Komenda jest wykonywana gdy:
 <target>Zapisz w trybie &wsadowym...</target>
 
 <source>Show &log</source>
-<target></target>
+<target>Pokaż &log</target>
 
 <source>Start &comparison</source>
 <target>Rozpo&cznij porównywanie</target>
@@ -978,9 +1011,6 @@ Komenda jest wykonywana gdy:
 <source>Access online storage</source>
 <target>Dostęp do zasobu zdalnego</target>
 
-<source>Swap sides</source>
-<target>Zamień stronami</target>
-
 <source>Close search bar</source>
 <target>Zamknij pasek wyszukiwania</target>
 
@@ -1005,6 +1035,9 @@ Komenda jest wykonywana gdy:
 <source>View type:</source>
 <target>Typ widoku:</target>
 
+<source>Save as default</source>
+<target>Zapisz jako domyślne</target>
+
 <source>Select view:</source>
 <target>Widok:</target>
 
@@ -1062,6 +1095,15 @@ Komenda jest wykonywana gdy:
 <source>Handle daylight saving time</source>
 <target>Uwzględniaj przesunięcie czasu</target>
 
+<source>Ignore errors</source>
+<target>Ignoruj błędy</target>
+
+<source>Retry count:</source>
+<target>Liczba prób:</target>
+
+<source>Delay (in seconds):</source>
+<target>Opóźnienie (w sekundach):</target>
+
 <source>Performance improvements:</source>
 <target>Polepszenie wydajności:</target>
 
@@ -1136,17 +1178,11 @@ Komenda jest wykonywana gdy:
 <source>Last x days:</source>
 <target>Ostatnie x dni:</target>
 
-<source>Ignore errors</source>
-<target>Ignoruj błędy</target>
-
-<source>Retry count:</source>
-<target>Liczba prób:</target>
-
-<source>Delay (in seconds):</source>
-<target>Opóźnienie (w sekundach):</target>
+<source>&Override default log path:</source>
+<target>&Zastąp domyślną ścieżkę logu:</target>
 
-<source>Run a command after synchronization:</source>
-<target>Uruchom komendę po zakończonej synchronizacji:</target>
+<source>Run a command:</source>
+<target>Uruchom polecenie:</target>
 
 <source>OK</source>
 <target>OK</target>
@@ -1196,6 +1232,9 @@ Komenda jest wykonywana gdy:
 <source>Directory on server:</source>
 <target>Katalog na serwerze:</target>
 
+<source>Access timeout (in seconds):</source>
+<target>Czas oczekiwania na dostęp (w sekundach):</target>
+
 <source>SFTP channels per connection:</source>
 <target>Liczba kanałów dla połączenia SFTP:</target>
 
@@ -1274,12 +1313,6 @@ Komenda jest wykonywana gdy:
 <source>Stop synchronization at first error</source>
 <target>Przerwij synchronizację przy pierwszym błędzie</target>
 
-<source>Save log:</source>
-<target>Zapisz logi:</target>
-
-<source>Limit number of log files:</source>
-<target>Ogranicz liczbę plików logów:</target>
-
 <source>How can I schedule a batch job?</source>
 <target>Jak zaplanować zadanie w trybie wsadowym?</target>
 
@@ -1316,8 +1349,11 @@ program kopiuje zawartość do pliku tymczasowego (*.ffs_tmp), a następnie nadp
 <source>Show all permanently hidden dialogs and warning messages again</source>
 <target>Przywróć wszystkie, stale ukryte dialogi i powiadomienia</target>
 
-<source>Remove old log files after x days:</source>
-<target></target>
+<source>Default log path:</source>
+<target>Domyślna ścieżka logu:</target>
+
+<source>&Delete logs after x days:</source>
+<target>&Skasuj logi po x dniach:</target>
 
 <source>Customize context menu:</source>
 <target>Dostosuj menu kontekstowe:</target>
@@ -1328,11 +1364,11 @@ program kopiuje zawartość do pliku tymczasowego (*.ffs_tmp), a następnie nadp
 <source>&Default</source>
 <target>&Domyślne</target>
 
-<source>Feedback and suggestions are welcome</source>
-<target>Wszelkie opinie i sugestie mile widziane</target>
+<source>Feedback and suggestions are welcome:</source>
+<target>Opinie i sugestie mile widziane:</target>
 
 <source>Home page</source>
-<target>Strona domowa:</target>
+<target>Strona domowa</target>
 
 <source>FreeFileSync Forum</source>
 <target>Forum FreeFileSync</target>
@@ -1355,8 +1391,8 @@ program kopiuje zawartość do pliku tymczasowego (*.ffs_tmp), a następnie nadp
 <source>Source code written in C++ using:</source>
 <target>Kod stworzony w C++ z wykorzystaniem:</target>
 
-<source>Published under the GNU General Public License</source>
-<target>Udostępnione na zasadach licencji GNU General Public License</target>
+<source>Published under the GNU General Public License:</source>
+<target>Opublikowano na licencji GNU General Public Licence:</target>
 
 <source>Many thanks for localization:</source>
 <target>Podziękowania za tłumaczenia:</target>
@@ -1413,7 +1449,7 @@ program kopiuje zawartość do pliku tymczasowego (*.ffs_tmp), a następnie nadp
 <target>Info</target>
 
 <source>No log entries</source>
-<target></target>
+<target>Brak wpisów w dzienniku</target>
 
 <source>Select all</source>
 <target>Zaznacz wszystko</target>
@@ -1439,6 +1475,9 @@ program kopiuje zawartość do pliku tymczasowego (*.ffs_tmp), a następnie nadp
 <source>Overview</source>
 <target>Przegląd</target>
 
+<source>Swap sides</source>
+<target>Zamień stronami</target>
+
 <source>Show "%x"</source>
 <target>Pokaż "%x"</target>
 
@@ -1617,9 +1656,6 @@ program kopiuje zawartość do pliku tymczasowego (*.ffs_tmp), a następnie nadp
 <source>Show filtered or temporarily excluded files</source>
 <target>Pokaż pliki wyfiltrowane lub wykluczone tymczasowo</target>
 
-<source>Save as default</source>
-<target>Zapisz jako domyślne</target>
-
 <source>Filter</source>
 <target>Filtr</target>
 
@@ -1970,12 +2006,6 @@ program kopiuje zawartość do pliku tymczasowego (*.ffs_tmp), a następnie nadp
 <source>Checking recycle bin failed for folder %x.</source>
 <target>Sprawdzanie kosza systemowego dla katalogu %x zakończone niepowodzeniem.</target>
 
-<source>The following XML elements could not be read:</source>
-<target>Poniższy element XML nie może zostać odczytany:</target>
-
-<source>Configuration file %x is incomplete. The missing elements will be set to their default values.</source>
-<target>Plik konfiguracyjny %x jest niekompletny. Zostaną ustawione domyślne wartości dla brakujących elementów.</target>
-
 <source>Prepare installation</source>
 <target>Przygotuj instalację</target>
 
diff --git a/FreeFileSync/Build/Languages/portuguese.lng b/FreeFileSync/Build/Languages/portuguese.lng
index 83c0ad21..b713f6f1 100755
--- a/FreeFileSync/Build/Languages/portuguese.lng
+++ b/FreeFileSync/Build/Languages/portuguese.lng
@@ -160,6 +160,9 @@
 <source>Items differ in attributes only</source>
 <target>Itens diferem apenas nos atributos</target>
 
+<source>The name %x is used by more than one item in the folder.</source>
+<target>O nome %x é usado por mais de um item na pasta.</target>
+
 <source>Resolving symbolic link %x</source>
 <target>Resolver link simbólico %x</target>
 
@@ -187,9 +190,6 @@
 <source>File time tolerance</source>
 <target>Tolerância de tempo de ficheiro</target>
 
-<source>Folder access timeout</source>
-<target>Tempo limite de acesso à pasta</target>
-
 <source>Run with background priority</source>
 <target>Correr com prioridade de fundo</target>
 
@@ -334,8 +334,11 @@
 <source>Update attributes on right</source>
 <target>Actualizar atributos à direita</target>
 
-<source>Warning</source>
-<target>Atenção</target>
+<source>Errors:</source>
+<target>Erros:</target>
+
+<source>Warnings:</source>
+<target>Avisos:</target>
 
 <source>Items processed:</source>
 <target>Elementos processados:</target>
@@ -346,6 +349,9 @@
 <source>Total time:</source>
 <target>Tempo total:</target>
 
+<source>Warning</source>
+<target>Atenção</target>
+
 <source>Stopped</source>
 <target>Parado</target>
 
@@ -355,6 +361,21 @@
 <source>Error parsing file %x, row %y, column %z.</source>
 <target>Erro ao analisar ficheiro %x, linha %y, coluna %z.</target>
 
+<source>Services</source>
+<target>Serviços</target>
+
+<source>Show All</source>
+<target>Mostrar Todos</target>
+
+<source>Hide Others</source>
+<target>Ocultar Outros</target>
+
+<source>Hide %x</source>
+<target>Ocultar %x</target>
+
+<source>Quit %x</source>
+<target>Cerrar o %x</target>
+
 <source>Cannot set directory locks for the following folders:</source>
 <target>Incapaz de definir bloqueios de directórios para as seguintes pastas:</target>
 
@@ -370,11 +391,11 @@
 <source>Cannot read directory %x.</source>
 <target>Não é possível ler o directório %x.</target>
 
-<source>/sec</source>
-<target>/seg</target>
+<source>%x/sec</source>
+<target>%x/seg.</target>
 
-<source>%x items/sec</source>
-<target>%x itens/seg</target>
+<source>%x items</source>
+<target>%x itens</target>
 
 <source>Show in Explorer</source>
 <target>Mostrar no Explorer</target>
@@ -523,11 +544,11 @@
 <source>Generating database...</source>
 <target>A gerar base de dados...</target>
 
-<source>Searching for excess file versions:</source>
-<target>A pesquisar por versões em excesso de ficheiro:</target>
+<source>Searching for old file versions:</source>
+<target>A pesquisar por versões antigas do ficheiro:</target>
 
-<source>Removing excess file versions:</source>
-<target>A remover versões em excesso de ficheiro:</target>
+<source>Removing old file versions:</source>
+<target>A remover versões antigas do ficheiro:</target>
 
 <source>Unable to create time stamp for versioning:</source>
 <target>Não é possível criar data/hora para controlo de versões:</target>
@@ -585,6 +606,24 @@ Actual: %y bytes
 <source>Unable to move %x to the recycle bin.</source>
 <target>Não é possível mover %x para a reciclagem.</target>
 
+<source>Unable to access %x.</source>
+<target>Incapaz de aceder %x.</target>
+
+<source>Authentication completed.</source>
+<target>Autenticação completada.</target>
+
+<source>Authentication failed.</source>
+<target>Falha na autenticação.</target>
+
+<source>You may close this page now and continue with FreeFileSync.</source>
+<target>Você pode cerrar esta página agora e continuar com o FreeFileSync.</target>
+
+<source>The server returned an error:</source>
+<target>O servidor retornou um erro:</target>
+
+<source>Cannot determine free disk space for %x.</source>
+<target>Não é possível determinar o espaço livre no disco %x.</target>
+
 <source>Cannot find %x.</source>
 <target>Não é possível encontrar %x.</target>
 
@@ -597,18 +636,12 @@ Actual: %y bytes
 <source>Cannot delete symbolic link %x.</source>
 <target>Não é possível remover o link simbólico %x.</target>
 
-<source>Cannot determine free disk space for %x.</source>
-<target>Não é possível determinar o espaço livre no disco %x.</target>
-
 <source>Incorrect command line:</source>
 <target>Linha de comandos incorrecta:</target>
 
 <source>The server does not support authentication via %x.</source>
 <target>O servidor não suporta autenticação via %x.</target>
 
-<source>Unable to access %x.</source>
-<target>Incapaz de aceder %x.</target>
-
 <source>
 <pluralform>Operation timed out after 1 second.</pluralform>
 <pluralform>Operation timed out after %x seconds.</pluralform>
@@ -633,24 +666,6 @@ Actual: %y bytes
 <source>Failed to open SFTP channel number %x.</source>
 <target>Falha ao abrir canal SFTP número %x.</target>
 
-<source>
-<pluralform>1 byte</pluralform>
-<pluralform>%x bytes</pluralform>
-</source>
-<target>
-<pluralform>1 byte</pluralform>
-<pluralform>%x bytes</pluralform>
-</target>
-
-<source>%x MB</source>
-<target>%x MB</target>
-
-<source>%x KB</source>
-<target>%x KB</target>
-
-<source>%x GB</source>
-<target>%x GB</target>
-
 <source>Drag && drop</source>
 <target>Arrastar && Largar</target>
 
@@ -764,6 +779,24 @@ O comando é executado se:
 <source>&Retry</source>
 <target>&Tentar de Novo</target>
 
+<source>
+<pluralform>1 byte</pluralform>
+<pluralform>%x bytes</pluralform>
+</source>
+<target>
+<pluralform>1 byte</pluralform>
+<pluralform>%x bytes</pluralform>
+</target>
+
+<source>%x MB</source>
+<target>%x MB</target>
+
+<source>%x KB</source>
+<target>%x KB</target>
+
+<source>%x GB</source>
+<target>%x GB</target>
+
 <source>Loading...</source>
 <target>A carregar...</target>
 
@@ -909,7 +942,7 @@ O comando é executado se:
 <target>Guardar como &batch...</target>
 
 <source>Show &log</source>
-<target></target>
+<target>Mostrar &registo</target>
 
 <source>Start &comparison</source>
 <target>Iniciar &comparação</target>
@@ -971,9 +1004,6 @@ O comando é executado se:
 <source>Access online storage</source>
 <target>Aceder armazenagem local</target>
 
-<source>Swap sides</source>
-<target>Trocar lados</target>
-
 <source>Close search bar</source>
 <target>Fechar barra de pesquisa</target>
 
@@ -998,6 +1028,9 @@ O comando é executado se:
 <source>View type:</source>
 <target>Tipo de vista:</target>
 
+<source>Save as default</source>
+<target>Guardar como padrão</target>
+
 <source>Select view:</source>
 <target>Seleccionar vista:</target>
 
@@ -1055,6 +1088,15 @@ O comando é executado se:
 <source>Handle daylight saving time</source>
 <target>Lidar com horário de verão</target>
 
+<source>Ignore errors</source>
+<target>Ignorar erros</target>
+
+<source>Retry count:</source>
+<target>Nº de tentativas:</target>
+
+<source>Delay (in seconds):</source>
+<target>Atraso (em segundos):</target>
+
 <source>Performance improvements:</source>
 <target>Melhorias de desempenho:</target>
 
@@ -1129,17 +1171,11 @@ O comando é executado se:
 <source>Last x days:</source>
 <target>Últimos x dias:</target>
 
-<source>Ignore errors</source>
-<target>Ignorar erros</target>
-
-<source>Retry count:</source>
-<target>Nº de tentativas:</target>
-
-<source>Delay (in seconds):</source>
-<target>Atraso (em segundos):</target>
+<source>&Override default log path:</source>
+<target>&Substituir caminho padrão do registo:</target>
 
-<source>Run a command after synchronization:</source>
-<target>Executar um comando após a sincronização:</target>
+<source>Run a command:</source>
+<target>Executar um comando:</target>
 
 <source>OK</source>
 <target>OK</target>
@@ -1189,6 +1225,9 @@ O comando é executado se:
 <source>Directory on server:</source>
 <target>Directório no servidor:</target>
 
+<source>Access timeout (in seconds):</source>
+<target>Tempo limite de acesso (em segundos):</target>
+
 <source>SFTP channels per connection:</source>
 <target>Canais SFTP por conexão:</target>
 
@@ -1267,12 +1306,6 @@ O comando é executado se:
 <source>Stop synchronization at first error</source>
 <target>Para sincronização ao primeiro erro</target>
 
-<source>Save log:</source>
-<target>Guardar registo:</target>
-
-<source>Limit number of log files:</source>
-<target>Limitar número de ficheiros de registo:</target>
-
 <source>How can I schedule a batch job?</source>
 <target>Como posso agendar um trabalho batch?</target>
 
@@ -1309,8 +1342,11 @@ Isto garante um estado consistente mesmo em caso de falha grave.
 <source>Show all permanently hidden dialogs and warning messages again</source>
 <target>Mostrar todos os diálogos escondidos permanentemente e mensagens de aviso novamente</target>
 
-<source>Remove old log files after x days:</source>
-<target></target>
+<source>Default log path:</source>
+<target>Caminho padrão do registo:</target>
+
+<source>&Delete logs after x days:</source>
+<target>&Eliminar registos após X dias:</target>
 
 <source>Customize context menu:</source>
 <target>Personalizar menu de contexto:</target>
@@ -1321,8 +1357,8 @@ Isto garante um estado consistente mesmo em caso de falha grave.
 <source>&Default</source>
 <target>&Config. Iniciais</target>
 
-<source>Feedback and suggestions are welcome</source>
-<target>Comentários e sugestões são apreciados</target>
+<source>Feedback and suggestions are welcome:</source>
+<target>Comentários e sugestões são bem-vindos:</target>
 
 <source>Home page</source>
 <target>Sítio da web</target>
@@ -1348,8 +1384,8 @@ Isto garante um estado consistente mesmo em caso de falha grave.
 <source>Source code written in C++ using:</source>
 <target>Código fonte escrito em C++ utilizando:</target>
 
-<source>Published under the GNU General Public License</source>
-<target>Publicado sobre GNU General Public License</target>
+<source>Published under the GNU General Public License:</source>
+<target>Publicado sob a Licença Pública Geral GNU:</target>
 
 <source>Many thanks for localization:</source>
 <target>Muito obrigado pela localização:</target>
@@ -1406,7 +1442,7 @@ Isto garante um estado consistente mesmo em caso de falha grave.
 <target>Info</target>
 
 <source>No log entries</source>
-<target></target>
+<target>Nenhuma entrada no registo</target>
 
 <source>Select all</source>
 <target>Seleccionar tudo</target>
@@ -1432,6 +1468,9 @@ Isto garante um estado consistente mesmo em caso de falha grave.
 <source>Overview</source>
 <target>Vista</target>
 
+<source>Swap sides</source>
+<target>Trocar lados</target>
+
 <source>Show "%x"</source>
 <target>Mostrar "%x"</target>
 
@@ -1606,9 +1645,6 @@ Isto garante um estado consistente mesmo em caso de falha grave.
 <source>Show filtered or temporarily excluded files</source>
 <target>Mostrar ficheiros filtrados ou temporariamente excluídos</target>
 
-<source>Save as default</source>
-<target>Guardar como padrão</target>
-
 <source>Filter</source>
 <target>Filtro</target>
 
@@ -1954,12 +1990,6 @@ Isto garante um estado consistente mesmo em caso de falha grave.
 <source>Checking recycle bin failed for folder %x.</source>
 <target>Verificar a reciclagem falhou no directório %x.</target>
 
-<source>The following XML elements could not be read:</source>
-<target>Os seguintes elementos XML não puderam ser lidos:</target>
-
-<source>Configuration file %x is incomplete. The missing elements will be set to their default values.</source>
-<target>O ficheiro de instalação %x está incompleto. Os elementos em falta serão definidos para seus valores iniciais.</target>
-
 <source>Prepare installation</source>
 <target>A preparar a instalação</target>
 
diff --git a/FreeFileSync/Build/Languages/portuguese_br.lng b/FreeFileSync/Build/Languages/portuguese_br.lng
index 9b336566..43c0904c 100755
--- a/FreeFileSync/Build/Languages/portuguese_br.lng
+++ b/FreeFileSync/Build/Languages/portuguese_br.lng
@@ -160,6 +160,9 @@
 <source>Items differ in attributes only</source>
 <target>Os itens diferem apenas nos atributos</target>
 
+<source>The name %x is used by more than one item in the folder.</source>
+<target>O nome %x é usado por mais de um item na pasta.</target>
+
 <source>Resolving symbolic link %x</source>
 <target>Resolvendo link simbólico %x</target>
 
@@ -187,9 +190,6 @@
 <source>File time tolerance</source>
 <target>Tolerância de tempo do arquivo</target>
 
-<source>Folder access timeout</source>
-<target>Tempo limite de acesso da pasta</target>
-
 <source>Run with background priority</source>
 <target>Executar com prioridade de segundo plano</target>
 
@@ -334,8 +334,11 @@
 <source>Update attributes on right</source>
 <target>Atualizar atributos à direita</target>
 
-<source>Warning</source>
-<target>Aviso</target>
+<source>Errors:</source>
+<target>Erros:</target>
+
+<source>Warnings:</source>
+<target>Avisos:</target>
 
 <source>Items processed:</source>
 <target>Elementos processados:</target>
@@ -346,8 +349,11 @@
 <source>Total time:</source>
 <target>Tempo total:</target>
 
+<source>Warning</source>
+<target>Aviso</target>
+
 <source>Stopped</source>
-<target>Interrompido</target>
+<target>Parado</target>
 
 <source>Cleaning up log files:</source>
 <target>Limpando arquivos de log:</target>
@@ -355,8 +361,23 @@
 <source>Error parsing file %x, row %y, column %z.</source>
 <target>Erro analisando o arquivo %x, linha %y, coluna %z.</target>
 
+<source>Services</source>
+<target>Serviços</target>
+
+<source>Show All</source>
+<target>Mostrar Todos</target>
+
+<source>Hide Others</source>
+<target>Ocultar Outros</target>
+
+<source>Hide %x</source>
+<target>Ocultar %x</target>
+
+<source>Quit %x</source>
+<target>Sair %x</target>
+
 <source>Cannot set directory locks for the following folders:</source>
-<target>Não é possível estabelecer bloqueio de diretório para as seguintes pastas:</target>
+<target>Não é possível definir bloqueios de diretório para as seguintes pastas:</target>
 
 <source>
 <pluralform>1 thread</pluralform>
@@ -370,11 +391,11 @@
 <source>Cannot read directory %x.</source>
 <target>Não é possível ler o diretório %x.</target>
 
-<source>/sec</source>
-<target>/s</target>
+<source>%x/sec</source>
+<target>%x/s</target>
 
-<source>%x items/sec</source>
-<target>%x itens/s</target>
+<source>%x items</source>
+<target>%x itens</target>
 
 <source>Show in Explorer</source>
 <target>Mostrar no Explorer</target>
@@ -523,11 +544,11 @@
 <source>Generating database...</source>
 <target>Gerando banco de dados...</target>
 
-<source>Searching for excess file versions:</source>
-<target>Procurando por versões de arquivos em excesso:</target>
+<source>Searching for old file versions:</source>
+<target>Procurando por versões antigas de arquivos:</target>
 
-<source>Removing excess file versions:</source>
-<target>Removendo versões de arquivos em excesso:</target>
+<source>Removing old file versions:</source>
+<target>Removendo versões antigas de arquivos:</target>
 
 <source>Unable to create time stamp for versioning:</source>
 <target>Não é possível criar a estampa de tempo para o controle de versões:</target>
@@ -585,6 +606,24 @@ Atual: %y bytes
 <source>Unable to move %x to the recycle bin.</source>
 <target>Não é possível mover %x para a Lixeira.</target>
 
+<source>Unable to access %x.</source>
+<target>Não foi possível acessar %x.</target>
+
+<source>Authentication completed.</source>
+<target>Autenticação concluída.</target>
+
+<source>Authentication failed.</source>
+<target>Autenticação falhou.</target>
+
+<source>You may close this page now and continue with FreeFileSync.</source>
+<target>Você pode fechar esta página agora e continuar com o FreeFileSync.</target>
+
+<source>The server returned an error:</source>
+<target>O servidor retornou um erro:</target>
+
+<source>Cannot determine free disk space for %x.</source>
+<target>Não é possível determinar o espaço livre em disco para %x.</target>
+
 <source>Cannot find %x.</source>
 <target>Não é possível encontrar %x.</target>
 
@@ -597,18 +636,12 @@ Atual: %y bytes
 <source>Cannot delete symbolic link %x.</source>
 <target>Não é possível excluir o link simbólico %x.</target>
 
-<source>Cannot determine free disk space for %x.</source>
-<target>Não é possível determinar o espaço livre em disco para %x.</target>
-
 <source>Incorrect command line:</source>
 <target>Linha de comando incorreta:</target>
 
 <source>The server does not support authentication via %x.</source>
 <target>O servidor não suporta autenticação via %x.</target>
 
-<source>Unable to access %x.</source>
-<target>Não foi possível acessar %x.</target>
-
 <source>
 <pluralform>Operation timed out after 1 second.</pluralform>
 <pluralform>Operation timed out after %x seconds.</pluralform>
@@ -633,24 +666,6 @@ Atual: %y bytes
 <source>Failed to open SFTP channel number %x.</source>
 <target>Falha ao abrir o canal SFTP número %x.</target>
 
-<source>
-<pluralform>1 byte</pluralform>
-<pluralform>%x bytes</pluralform>
-</source>
-<target>
-<pluralform>1 byte</pluralform>
-<pluralform>%x bytes</pluralform>
-</target>
-
-<source>%x MB</source>
-<target>%x MB</target>
-
-<source>%x KB</source>
-<target>%x kB</target>
-
-<source>%x GB</source>
-<target>%x GB</target>
-
 <source>Drag && drop</source>
 <target>Arrastar && Soltar</target>
 
@@ -764,6 +779,24 @@ O comando é disparado se:
 <source>&Retry</source>
 <target>&Tentar Novamente</target>
 
+<source>
+<pluralform>1 byte</pluralform>
+<pluralform>%x bytes</pluralform>
+</source>
+<target>
+<pluralform>1 byte</pluralform>
+<pluralform>%x bytes</pluralform>
+</target>
+
+<source>%x MB</source>
+<target>%x MB</target>
+
+<source>%x KB</source>
+<target>%x kB</target>
+
+<source>%x GB</source>
+<target>%x GB</target>
+
 <source>Loading...</source>
 <target>Carregando...</target>
 
@@ -909,7 +942,7 @@ O comando é disparado se:
 <target>Salvar como &tarefa em lotes...</target>
 
 <source>Show &log</source>
-<target></target>
+<target>Mostrar &log</target>
 
 <source>Start &comparison</source>
 <target>Iniciar &Comparação</target>
@@ -971,9 +1004,6 @@ O comando é disparado se:
 <source>Access online storage</source>
 <target>Acessar armazenamento online</target>
 
-<source>Swap sides</source>
-<target>Trocar lados</target>
-
 <source>Close search bar</source>
 <target>Fechar barra de localização</target>
 
@@ -998,6 +1028,9 @@ O comando é disparado se:
 <source>View type:</source>
 <target>Tipo de visualização:</target>
 
+<source>Save as default</source>
+<target>Salvar como padrão</target>
+
 <source>Select view:</source>
 <target>Selecionar visualização:</target>
 
@@ -1055,6 +1088,15 @@ O comando é disparado se:
 <source>Handle daylight saving time</source>
 <target>Como lidar com horário de verão</target>
 
+<source>Ignore errors</source>
+<target>Ignorar erros</target>
+
+<source>Retry count:</source>
+<target>Número de tentativas:</target>
+
+<source>Delay (in seconds):</source>
+<target>Atraso (em segundos):</target>
+
 <source>Performance improvements:</source>
 <target>Melhorias de desempenho:</target>
 
@@ -1129,17 +1171,11 @@ O comando é disparado se:
 <source>Last x days:</source>
 <target>Últimos x dias:</target>
 
-<source>Ignore errors</source>
-<target>Ignorar erros</target>
-
-<source>Retry count:</source>
-<target>Número de tentativas:</target>
-
-<source>Delay (in seconds):</source>
-<target>Atraso (em segundos):</target>
+<source>&Override default log path:</source>
+<target>&Substituir caminho de log padrão:</target>
 
-<source>Run a command after synchronization:</source>
-<target>Executar um comando após a sincronização:</target>
+<source>Run a command:</source>
+<target>Executar um comando:</target>
 
 <source>OK</source>
 <target>OK</target>
@@ -1189,6 +1225,9 @@ O comando é disparado se:
 <source>Directory on server:</source>
 <target>Diretório no servidor:</target>
 
+<source>Access timeout (in seconds):</source>
+<target>Tempo limite de acesso (em segundos):</target>
+
 <source>SFTP channels per connection:</source>
 <target>Canais SFTP por conexão:</target>
 
@@ -1211,7 +1250,7 @@ O comando é disparado se:
 <target>&Não mostrar esta caixa de diálogo novamente</target>
 
 <source>Items found:</source>
-<target>Elementos encontrados:</target>
+<target>Itens encontrados:</target>
 
 <source>Time remaining:</source>
 <target>Tempo restante:</target>
@@ -1267,12 +1306,6 @@ O comando é disparado se:
 <source>Stop synchronization at first error</source>
 <target>Interromper a sincronização ao primeiro erro</target>
 
-<source>Save log:</source>
-<target>Salvar arquivo de log:</target>
-
-<source>Limit number of log files:</source>
-<target>Limitar número de arquivos de log:</target>
-
 <source>How can I schedule a batch job?</source>
 <target>Como posso agendar uma tarefa em lotes?</target>
 
@@ -1309,8 +1342,11 @@ Isto garante um estado consistente mesmo em caso de erro grave.
 <source>Show all permanently hidden dialogs and warning messages again</source>
 <target>Mostrar todas as caixas de diálogo e as mensagens de aviso permanentemente ocultadas</target>
 
-<source>Remove old log files after x days:</source>
-<target></target>
+<source>Default log path:</source>
+<target>Caminho de log padrão:</target>
+
+<source>&Delete logs after x days:</source>
+<target>&Excluir logs após x days:</target>
 
 <source>Customize context menu:</source>
 <target>Personalizar menu de contexto:</target>
@@ -1321,8 +1357,8 @@ Isto garante um estado consistente mesmo em caso de erro grave.
 <source>&Default</source>
 <target>&Config. Padrão</target>
 
-<source>Feedback and suggestions are welcome</source>
-<target>Críticas e sugestões são bem-vindas</target>
+<source>Feedback and suggestions are welcome:</source>
+<target>Comentários e sugestões são bem-vindos:</target>
 
 <source>Home page</source>
 <target>Página web</target>
@@ -1348,8 +1384,8 @@ Isto garante um estado consistente mesmo em caso de erro grave.
 <source>Source code written in C++ using:</source>
 <target>Código-fonte escrito em C++ utilizando:</target>
 
-<source>Published under the GNU General Public License</source>
-<target>Publicado sob a GNU General Public License</target>
+<source>Published under the GNU General Public License:</source>
+<target>Publicado sob a Licença Pública Geral GNU:</target>
 
 <source>Many thanks for localization:</source>
 <target>Pela tradução, um agradecimento a:</target>
@@ -1406,7 +1442,7 @@ Isto garante um estado consistente mesmo em caso de erro grave.
 <target>Informações</target>
 
 <source>No log entries</source>
-<target></target>
+<target>Nenhuma entrada de log</target>
 
 <source>Select all</source>
 <target>Selecionar todos</target>
@@ -1432,6 +1468,9 @@ Isto garante um estado consistente mesmo em caso de erro grave.
 <source>Overview</source>
 <target>Parâmetros</target>
 
+<source>Swap sides</source>
+<target>Trocar lados</target>
+
 <source>Show "%x"</source>
 <target>Mostrar "%x"</target>
 
@@ -1606,9 +1645,6 @@ Isto garante um estado consistente mesmo em caso de erro grave.
 <source>Show filtered or temporarily excluded files</source>
 <target>Mostrar arquivos que foram filtrados ou excluídos temporariamente</target>
 
-<source>Save as default</source>
-<target>Salvar como padrão</target>
-
 <source>Filter</source>
 <target>Filtro</target>
 
@@ -1954,12 +1990,6 @@ Isto garante um estado consistente mesmo em caso de erro grave.
 <source>Checking recycle bin failed for folder %x.</source>
 <target>Verificando falha na Lixeira para pasta %x.</target>
 
-<source>The following XML elements could not be read:</source>
-<target>Os seguintes elementos XML não puderam ser lidos:</target>
-
-<source>Configuration file %x is incomplete. The missing elements will be set to their default values.</source>
-<target>Arquivo de configuração %x incompleto. Os elementos faltantes serão configurados com seus valores padrões.</target>
-
 <source>Prepare installation</source>
 <target>Preparando a instalação</target>
 
diff --git a/FreeFileSync/Build/Languages/romanian.lng b/FreeFileSync/Build/Languages/romanian.lng
index 7a970005..52a59d90 100755
--- a/FreeFileSync/Build/Languages/romanian.lng
+++ b/FreeFileSync/Build/Languages/romanian.lng
@@ -161,6 +161,9 @@
 <source>Items differ in attributes only</source>
 <target>Elementele diferă doar prin atributele lor</target>
 
+<source>The name %x is used by more than one item in the folder.</source>
+<target>Numele %x e folosit de mai multe elemente din dosar.</target>
+
 <source>Resolving symbolic link %x</source>
 <target>Rezolv legătura simbolică %x</target>
 
@@ -188,9 +191,6 @@
 <source>File time tolerance</source>
 <target>Toleranța timpului filei</target>
 
-<source>Folder access timeout</source>
-<target>Expirarea accesului la dosar</target>
-
 <source>Run with background priority</source>
 <target>Rulează cu prioritate de fundal [background]</target>
 
@@ -336,8 +336,11 @@
 <source>Update attributes on right</source>
 <target>Actualizează atributele în partea dreaptă</target>
 
-<source>Warning</source>
-<target>Atenție</target>
+<source>Errors:</source>
+<target>Erori:</target>
+
+<source>Warnings:</source>
+<target>Avertizări:</target>
 
 <source>Items processed:</source>
 <target>Elemente Procesate:</target>
@@ -348,6 +351,9 @@
 <source>Total time:</source>
 <target>Timp Total:</target>
 
+<source>Warning</source>
+<target>Atenție</target>
+
 <source>Stopped</source>
 <target>Oprită</target>
 
@@ -357,6 +363,21 @@
 <source>Error parsing file %x, row %y, column %z.</source>
 <target>Eroare la parsarea filei %x, rîndul %y, coloana %z.</target>
 
+<source>Services</source>
+<target>Servicii</target>
+
+<source>Show All</source>
+<target>Arată Tot</target>
+
+<source>Hide Others</source>
+<target>Ascunde Restul</target>
+
+<source>Hide %x</source>
+<target>Ascunde %x</target>
+
+<source>Quit %x</source>
+<target>Închide %x</target>
+
 <source>Cannot set directory locks for the following folders:</source>
 <target>Nu pot seta zăvorîrea [lock] pentru dosarele următoare:</target>
 
@@ -373,11 +394,11 @@
 <source>Cannot read directory %x.</source>
 <target>Nu pot citi dosarul %x.</target>
 
-<source>/sec</source>
-<target>/sec</target>
+<source>%x/sec</source>
+<target>%x/sec</target>
 
-<source>%x items/sec</source>
-<target>%x elemente/sec</target>
+<source>%x items</source>
+<target>%x elemente</target>
 
 <source>Show in Explorer</source>
 <target>Arată în Exploratorul de File</target>
@@ -526,11 +547,11 @@
 <source>Generating database...</source>
 <target>Generez baza de date...</target>
 
-<source>Searching for excess file versions:</source>
-<target>Caut versiunile în exces ale filelor:</target>
+<source>Searching for old file versions:</source>
+<target>Caut versiuni mai vechi ale filelor:</target>
 
-<source>Removing excess file versions:</source>
-<target>Înlătur versiunile în exces ale filelor:</target>
+<source>Removing old file versions:</source>
+<target>Înlătur versiunile vechi ale filelor:</target>
 
 <source>Unable to create time stamp for versioning:</source>
 <target>Nu pot crea marcajul de timp pentru versionare:</target>
@@ -588,6 +609,24 @@ Actuală: %y baiți
 <source>Unable to move %x to the recycle bin.</source>
 <target>Nu pot muta %x în Reciclator.</target>
 
+<source>Unable to access %x.</source>
+<target>Nu pot accesa %x.</target>
+
+<source>Authentication completed.</source>
+<target>Autentificare realizată.</target>
+
+<source>Authentication failed.</source>
+<target>Autentificare eșuată.</target>
+
+<source>You may close this page now and continue with FreeFileSync.</source>
+<target>Poți închide pagina asta acum și continua cu FreeFileSync.</target>
+
+<source>The server returned an error:</source>
+<target>Serverul a returnat o eroare:</target>
+
+<source>Cannot determine free disk space for %x.</source>
+<target>Nu pot determina spațiul liber de stocare pentru %x.</target>
+
 <source>Cannot find %x.</source>
 <target>Nu pot găsi %x.</target>
 
@@ -600,18 +639,12 @@ Actuală: %y baiți
 <source>Cannot delete symbolic link %x.</source>
 <target>Nu pot șterge legătura simbolică %x.</target>
 
-<source>Cannot determine free disk space for %x.</source>
-<target>Nu pot determina spațiul liber de stocare pentru %x.</target>
-
 <source>Incorrect command line:</source>
 <target>Linie de comandă incorectă:</target>
 
 <source>The server does not support authentication via %x.</source>
 <target>Serverul nu suportă autentificarea prin %x.</target>
 
-<source>Unable to access %x.</source>
-<target>Nu pot accesa %x.</target>
-
 <source>
 <pluralform>Operation timed out after 1 second.</pluralform>
 <pluralform>Operation timed out after %x seconds.</pluralform>
@@ -638,25 +671,6 @@ Actuală: %y baiți
 <source>Failed to open SFTP channel number %x.</source>
 <target>N-am putut deschide canalul SFTP cu numărul %x.</target>
 
-<source>
-<pluralform>1 byte</pluralform>
-<pluralform>%x bytes</pluralform>
-</source>
-<target>
-<pluralform>1 bait</pluralform>
-<pluralform>%x baiți</pluralform>
-<pluralform>%x de baiți</pluralform>
-</target>
-
-<source>%x MB</source>
-<target>%x MB</target>
-
-<source>%x KB</source>
-<target>%x KB</target>
-
-<source>%x GB</source>
-<target>%x GB</target>
-
 <source>Drag && drop</source>
 <target>Trage și pune un dosar mai jos sau explorează către el</target>
 
@@ -770,6 +784,25 @@ Comanda este declanșată dacă:
 <source>&Retry</source>
 <target>&Reîncearcă</target>
 
+<source>
+<pluralform>1 byte</pluralform>
+<pluralform>%x bytes</pluralform>
+</source>
+<target>
+<pluralform>1 bait</pluralform>
+<pluralform>%x baiți</pluralform>
+<pluralform>%x de baiți</pluralform>
+</target>
+
+<source>%x MB</source>
+<target>%x MB</target>
+
+<source>%x KB</source>
+<target>%x KB</target>
+
+<source>%x GB</source>
+<target>%x GB</target>
+
 <source>Loading...</source>
 <target>Deschid...</target>
 
@@ -916,7 +949,7 @@ Comanda este declanșată dacă:
 <target>Salvea&ză ca Sarcină Set...</target>
 
 <source>Show &log</source>
-<target></target>
+<target>Arată &Jurnalul</target>
 
 <source>Start &comparison</source>
 <target>Pornește &Compararea</target>
@@ -978,9 +1011,6 @@ Comanda este declanșată dacă:
 <source>Access online storage</source>
 <target>Accesează stocarea de pe internet [online]</target>
 
-<source>Swap sides</source>
-<target>Schimbă compartimentele stîng și drept între ele</target>
-
 <source>Close search bar</source>
 <target>Închide bara de căutare</target>
 
@@ -1005,6 +1035,9 @@ Comanda este declanșată dacă:
 <source>View type:</source>
 <target>Tipul Vederii:</target>
 
+<source>Save as default</source>
+<target>Salvează ca implicit</target>
+
 <source>Select view:</source>
 <target>Selectează Vederea:</target>
 
@@ -1062,6 +1095,15 @@ Comanda este declanșată dacă:
 <source>Handle daylight saving time</source>
 <target>Gestionarea timpului de vară (DST)</target>
 
+<source>Ignore errors</source>
+<target>Ignoră erorile</target>
+
+<source>Retry count:</source>
+<target>Numărul reîncercărilor:</target>
+
+<source>Delay (in seconds):</source>
+<target>Întîrziere (în secunde):</target>
+
 <source>Performance improvements:</source>
 <target>Îmbunătățiri de Performanță:</target>
 
@@ -1136,17 +1178,11 @@ Comanda este declanșată dacă:
 <source>Last x days:</source>
 <target>Ultimele x zile:</target>
 
-<source>Ignore errors</source>
-<target>Ignoră erorile</target>
-
-<source>Retry count:</source>
-<target>Numărul reîncercărilor:</target>
-
-<source>Delay (in seconds):</source>
-<target>Întîrziere (în secunde):</target>
+<source>&Override default log path:</source>
+<target>Ign&oră calea implicită a jurnalului:</target>
 
-<source>Run a command after synchronization:</source>
-<target>Rulează o comandă după sincronizare:</target>
+<source>Run a command:</source>
+<target>Rulează o comandă:</target>
 
 <source>OK</source>
 <target>OK</target>
@@ -1196,6 +1232,9 @@ Comanda este declanșată dacă:
 <source>Directory on server:</source>
 <target>Dosarul de pe server:</target>
 
+<source>Access timeout (in seconds):</source>
+<target>Timp de expirare a accesului (în sec.):</target>
+
 <source>SFTP channels per connection:</source>
 <target>Canale SFTP per conexiune:</target>
 
@@ -1274,12 +1313,6 @@ Comanda este declanșată dacă:
 <source>Stop synchronization at first error</source>
 <target>Oprește sincronizarea la prima eroare întîlnită</target>
 
-<source>Save log:</source>
-<target>Salvează jurnalul:</target>
-
-<source>Limit number of log files:</source>
-<target>Limitează numărul filelor de jurnalizare:</target>
-
 <source>How can I schedule a batch job?</source>
 <target>Cum pot planifica o sarcină set?</target>
 
@@ -1316,8 +1349,11 @@ Aceasta garantează consecvența stării filelor chiar și în cazul apariției
 <source>Show all permanently hidden dialogs and warning messages again</source>
 <target>Sînt arătate din nou dialogurile și mesajele de eroare care au fost ascunse permanent</target>
 
-<source>Remove old log files after x days:</source>
-<target></target>
+<source>Default log path:</source>
+<target>Calea implicită a jurnalului:</target>
+
+<source>&Delete logs after x days:</source>
+<target>Șter&ge jurnalul după x zile:</target>
 
 <source>Customize context menu:</source>
 <target>Personalizează meniul contextual:</target>
@@ -1328,8 +1364,8 @@ Aceasta garantează consecvența stării filelor chiar și în cazul apariției
 <source>&Default</source>
 <target>Coloanele &Implicite</target>
 
-<source>Feedback and suggestions are welcome</source>
-<target>Opiniile și sugestiile despre program sînt binevenite.</target>
+<source>Feedback and suggestions are welcome:</source>
+<target>Părerile și sugestiile sînt binevenite:</target>
 
 <source>Home page</source>
 <target>Pagina Sitului</target>
@@ -1355,8 +1391,8 @@ Aceasta garantează consecvența stării filelor chiar și în cazul apariției
 <source>Source code written in C++ using:</source>
 <target>Cod sursă scris în C++ folosind:</target>
 
-<source>Published under the GNU General Public License</source>
-<target>Publicat sub licența GNU GPL</target>
+<source>Published under the GNU General Public License:</source>
+<target>Publicat sub Licența Publică Generală GNU:</target>
 
 <source>Many thanks for localization:</source>
 <target>Multe mulțumiri pentru localizare:</target>
@@ -1413,7 +1449,7 @@ Aceasta garantează consecvența stării filelor chiar și în cazul apariției
 <target>Informații</target>
 
 <source>No log entries</source>
-<target></target>
+<target>Nu există intrări în jurnal</target>
 
 <source>Select all</source>
 <target>Selectează Tot</target>
@@ -1439,6 +1475,9 @@ Aceasta garantează consecvența stării filelor chiar și în cazul apariției
 <source>Overview</source>
 <target>Panoramă</target>
 
+<source>Swap sides</source>
+<target>Schimbă compartimentele stîng și drept între ele</target>
+
 <source>Show "%x"</source>
 <target>Arată "%x"</target>
 
@@ -1617,9 +1656,6 @@ Aceasta garantează consecvența stării filelor chiar și în cazul apariției
 <source>Show filtered or temporarily excluded files</source>
 <target>Arată filele filtrate sau excluse temporar</target>
 
-<source>Save as default</source>
-<target>Salvează ca implicit</target>
-
 <source>Filter</source>
 <target>Filtrare</target>
 
@@ -1970,12 +2006,6 @@ Aceasta garantează consecvența stării filelor chiar și în cazul apariției
 <source>Checking recycle bin failed for folder %x.</source>
 <target>Verificarea disponibilității Reciclatorului a eșuat pentru dosarul %x.</target>
 
-<source>The following XML elements could not be read:</source>
-<target>Elementele XML următoare nu pot fi citite:</target>
-
-<source>Configuration file %x is incomplete. The missing elements will be set to their default values.</source>
-<target>Fila configurație %x este incompletă. Elementele lipsă vor fi setate la valorile implicite.</target>
-
 <source>Prepare installation</source>
 <target>Pregătirea Instalării</target>
 
diff --git a/FreeFileSync/Build/Languages/russian.lng b/FreeFileSync/Build/Languages/russian.lng
index 17566e71..d6777279 100755
--- a/FreeFileSync/Build/Languages/russian.lng
+++ b/FreeFileSync/Build/Languages/russian.lng
@@ -161,6 +161,9 @@
 <source>Items differ in attributes only</source>
 <target>Элементы различаются только атрибутами</target>
 
+<source>The name %x is used by more than one item in the folder.</source>
+<target>Имя %x используется более чем одним элементом в папке.</target>
+
 <source>Resolving symbolic link %x</source>
 <target>Разрешение символьной ссылки %x</target>
 
@@ -188,9 +191,6 @@
 <source>File time tolerance</source>
 <target>Допускаемая разница во времени изменения файла</target>
 
-<source>Folder access timeout</source>
-<target>Тайм-аут доступа к папкам</target>
-
 <source>Run with background priority</source>
 <target>Запустить с фоновым приоритетом</target>
 
@@ -336,8 +336,11 @@
 <source>Update attributes on right</source>
 <target>Обновление атрибутов справа</target>
 
-<source>Warning</source>
-<target>Внимание</target>
+<source>Errors:</source>
+<target>Ошибки:</target>
+
+<source>Warnings:</source>
+<target>Предупеждения:</target>
 
 <source>Items processed:</source>
 <target>Элементов обработано:</target>
@@ -348,15 +351,33 @@
 <source>Total time:</source>
 <target>Общее время:</target>
 
+<source>Warning</source>
+<target>Внимание</target>
+
 <source>Stopped</source>
 <target>Остановлено</target>
 
 <source>Cleaning up log files:</source>
-<target>Очистка лог-файлов (журналов):</target>
+<target>Очистка файлов журнала:</target>
 
 <source>Error parsing file %x, row %y, column %z.</source>
 <target>Ошибка при разборе файла %x, строка %y, колонка %z.</target>
 
+<source>Services</source>
+<target>Службы</target>
+
+<source>Show All</source>
+<target>Показать все</target>
+
+<source>Hide Others</source>
+<target>Скрыть остальные</target>
+
+<source>Hide %x</source>
+<target>Скрыть %x</target>
+
+<source>Quit %x</source>
+<target>Выйти из %x</target>
+
 <source>Cannot set directory locks for the following folders:</source>
 <target>Невозможно установить блокировки для следующих папок:</target>
 
@@ -373,11 +394,11 @@
 <source>Cannot read directory %x.</source>
 <target>Невозможно прочитать папку %x.</target>
 
-<source>/sec</source>
-<target>/с</target>
+<source>%x/sec</source>
+<target>%x/с</target>
 
-<source>%x items/sec</source>
-<target>%x элементов/с</target>
+<source>%x items</source>
+<target>%x элемент(ов)</target>
 
 <source>Show in Explorer</source>
 <target>Показать в Проводнике</target>
@@ -526,11 +547,11 @@
 <source>Generating database...</source>
 <target>Создание базы данных...</target>
 
-<source>Searching for excess file versions:</source>
-<target>Поиск лишних версий файлов:</target>
+<source>Searching for old file versions:</source>
+<target>Поиск старых версий файлов:</target>
 
-<source>Removing excess file versions:</source>
-<target>Удаление лишних версий файлов:</target>
+<source>Removing old file versions:</source>
+<target>Удаление старых версий файлов:</target>
 
 <source>Unable to create time stamp for versioning:</source>
 <target>Невозможно создать метку времени для архивирования файлов:</target>
@@ -588,6 +609,24 @@ Actual: %y bytes
 <source>Unable to move %x to the recycle bin.</source>
 <target>Невозможно переместить %x в "Корзину".</target>
 
+<source>Unable to access %x.</source>
+<target>Невозможно получить доступ к %x.</target>
+
+<source>Authentication completed.</source>
+<target>Аутентификация завершена.</target>
+
+<source>Authentication failed.</source>
+<target>Ошибка аутентификации.</target>
+
+<source>You may close this page now and continue with FreeFileSync.</source>
+<target>Вы можете закрыть эту страницу сейчас и продолжить с FreeFileSync.</target>
+
+<source>The server returned an error:</source>
+<target>Сервер возвратил ошибку:</target>
+
+<source>Cannot determine free disk space for %x.</source>
+<target>Невозможно определить свободное место на диске для %x.</target>
+
 <source>Cannot find %x.</source>
 <target>Невозможно найти %x.</target>
 
@@ -600,18 +639,12 @@ Actual: %y bytes
 <source>Cannot delete symbolic link %x.</source>
 <target>Невозможно удалить символьную ссылку %x.</target>
 
-<source>Cannot determine free disk space for %x.</source>
-<target>Невозможно определить свободное место на диске для %x.</target>
-
 <source>Incorrect command line:</source>
 <target>Неверная командная строка:</target>
 
 <source>The server does not support authentication via %x.</source>
 <target>Сервер не поддерживает аутентификацию с помощью %x.</target>
 
-<source>Unable to access %x.</source>
-<target>Невозможно получить доступ к %x.</target>
-
 <source>
 <pluralform>Operation timed out after 1 second.</pluralform>
 <pluralform>Operation timed out after %x seconds.</pluralform>
@@ -638,25 +671,6 @@ Actual: %y bytes
 <source>Failed to open SFTP channel number %x.</source>
 <target>Не удалось открыть SFTP канал номер %x.</target>
 
-<source>
-<pluralform>1 byte</pluralform>
-<pluralform>%x bytes</pluralform>
-</source>
-<target>
-<pluralform>%x байт</pluralform>
-<pluralform>%x байта</pluralform>
-<pluralform>%x байт</pluralform>
-</target>
-
-<source>%x MB</source>
-<target>%x МБ</target>
-
-<source>%x KB</source>
-<target>%x КБ</target>
-
-<source>%x GB</source>
-<target>%x ГБ</target>
-
 <source>Drag && drop</source>
 <target>Drag && drop</target>
 
@@ -770,6 +784,25 @@ The command is triggered if:
 <source>&Retry</source>
 <target>&Повторить</target>
 
+<source>
+<pluralform>1 byte</pluralform>
+<pluralform>%x bytes</pluralform>
+</source>
+<target>
+<pluralform>%x байт</pluralform>
+<pluralform>%x байта</pluralform>
+<pluralform>%x байт</pluralform>
+</target>
+
+<source>%x MB</source>
+<target>%x МБ</target>
+
+<source>%x KB</source>
+<target>%x КБ</target>
+
+<source>%x GB</source>
+<target>%x ГБ</target>
+
 <source>Loading...</source>
 <target>Загрузка...</target>
 
@@ -838,7 +871,7 @@ The command is triggered if:
 <target>Последняя синхронизация</target>
 
 <source>Log</source>
-<target>Лог (журнал)</target>
+<target>Журнал</target>
 
 <source>Folder</source>
 <target>Папка</target>
@@ -916,7 +949,7 @@ The command is triggered if:
 <target>Сохранить как пакетное &задание...</target>
 
 <source>Show &log</source>
-<target></target>
+<target>Показать &журнал</target>
 
 <source>Start &comparison</source>
 <target>Начать с&равнение</target>
@@ -978,9 +1011,6 @@ The command is triggered if:
 <source>Access online storage</source>
 <target>Доступ к онлайн-хранилищу</target>
 
-<source>Swap sides</source>
-<target>Поменять направление</target>
-
 <source>Close search bar</source>
 <target>Закрыть строку поиска</target>
 
@@ -1005,6 +1035,9 @@ The command is triggered if:
 <source>View type:</source>
 <target>Тип просмотра:</target>
 
+<source>Save as default</source>
+<target>Сохранить по умолчанию</target>
+
 <source>Select view:</source>
 <target>Выберите отображение:</target>
 
@@ -1062,6 +1095,15 @@ The command is triggered if:
 <source>Handle daylight saving time</source>
 <target>Ручной переход на летнее время</target>
 
+<source>Ignore errors</source>
+<target>Игнорировать ошибки</target>
+
+<source>Retry count:</source>
+<target>Число повторений:</target>
+
+<source>Delay (in seconds):</source>
+<target>Задержка (в секундах):</target>
+
 <source>Performance improvements:</source>
 <target>Повышение производительности:</target>
 
@@ -1136,17 +1178,11 @@ The command is triggered if:
 <source>Last x days:</source>
 <target>Последние x дней:</target>
 
-<source>Ignore errors</source>
-<target>Игнорировать ошибки</target>
-
-<source>Retry count:</source>
-<target>Число повторений:</target>
-
-<source>Delay (in seconds):</source>
-<target>Задержка (в секундах):</target>
+<source>&Override default log path:</source>
+<target>&Изменить путь журнала по умолчанию:</target>
 
-<source>Run a command after synchronization:</source>
-<target>Запустить команду после синхронизации:</target>
+<source>Run a command:</source>
+<target>Выполнить команду:</target>
 
 <source>OK</source>
 <target>OK</target>
@@ -1196,6 +1232,9 @@ The command is triggered if:
 <source>Directory on server:</source>
 <target>Папка на сервере:</target>
 
+<source>Access timeout (in seconds):</source>
+<target>Тайм-аут доступа (в секундах):</target>
+
 <source>SFTP channels per connection:</source>
 <target>Количество SFTP каналов на одно соединение:</target>
 
@@ -1274,12 +1313,6 @@ The command is triggered if:
 <source>Stop synchronization at first error</source>
 <target>Остановить синхронизацию при первой ошибке</target>
 
-<source>Save log:</source>
-<target>Сохранять лог-файлы (журналы):</target>
-
-<source>Limit number of log files:</source>
-<target>Ограничить количество лог-файлов (журналов):</target>
-
 <source>How can I schedule a batch job?</source>
 <target>Как запланировать пакетное задание?</target>
 
@@ -1316,8 +1349,11 @@ This guarantees a consistent state even in case of a serious error.
 <source>Show all permanently hidden dialogs and warning messages again</source>
 <target>Показать все скрытые окна и сообщения с предупреждениями снова</target>
 
-<source>Remove old log files after x days:</source>
-<target></target>
+<source>Default log path:</source>
+<target>Путь журнала по умолчанию:</target>
+
+<source>&Delete logs after x days:</source>
+<target>&Удаление журналов через x дней:</target>
 
 <source>Customize context menu:</source>
 <target>Кастомизация контекстного меню:</target>
@@ -1328,8 +1364,8 @@ This guarantees a consistent state even in case of a serious error.
 <source>&Default</source>
 <target>&По умолчанию</target>
 
-<source>Feedback and suggestions are welcome</source>
-<target>Замечания и предложения приветствуются</target>
+<source>Feedback and suggestions are welcome:</source>
+<target>Обратная связь и предложения приветствуются:</target>
 
 <source>Home page</source>
 <target>Домашняя страница</target>
@@ -1355,8 +1391,8 @@ This guarantees a consistent state even in case of a serious error.
 <source>Source code written in C++ using:</source>
 <target>Исходный код написан на C++ с использованием:</target>
 
-<source>Published under the GNU General Public License</source>
-<target>Издается под лицензией GNU General Public License</target>
+<source>Published under the GNU General Public License:</source>
+<target>Опубликовано в соответствии с GNU General Public License:</target>
 
 <source>Many thanks for localization:</source>
 <target>Большое спасибо за перевод:</target>
@@ -1413,7 +1449,7 @@ This guarantees a consistent state even in case of a serious error.
 <target>Информация</target>
 
 <source>No log entries</source>
-<target></target>
+<target>Нет записей в журнале</target>
 
 <source>Select all</source>
 <target>Выделить все</target>
@@ -1439,6 +1475,9 @@ This guarantees a consistent state even in case of a serious error.
 <source>Overview</source>
 <target>Главная</target>
 
+<source>Swap sides</source>
+<target>Поменять направление</target>
+
 <source>Show "%x"</source>
 <target>Показать "%x"</target>
 
@@ -1617,9 +1656,6 @@ This guarantees a consistent state even in case of a serious error.
 <source>Show filtered or temporarily excluded files</source>
 <target>Показать отфильтрованные или временно исключенные файлы</target>
 
-<source>Save as default</source>
-<target>Сохранить по умолчанию</target>
-
 <source>Filter</source>
 <target>Фильтр</target>
 
@@ -1970,12 +2006,6 @@ This guarantees a consistent state even in case of a serious error.
 <source>Checking recycle bin failed for folder %x.</source>
 <target>Проверка "Корзины" не удалась для папки %x.</target>
 
-<source>The following XML elements could not be read:</source>
-<target>Следующие XML-элементы не могут быть прочитаны:</target>
-
-<source>Configuration file %x is incomplete. The missing elements will be set to their default values.</source>
-<target>Файл конфигурации %x является неполным. Недостающие элементы будут установлены в значения по умолчанию.</target>
-
 <source>Prepare installation</source>
 <target>Подготовка установки</target>
 
diff --git a/FreeFileSync/Build/Languages/slovak.lng b/FreeFileSync/Build/Languages/slovak.lng
index 4d296d17..4e0894dd 100755
--- a/FreeFileSync/Build/Languages/slovak.lng
+++ b/FreeFileSync/Build/Languages/slovak.lng
@@ -7,6 +7,81 @@
 	<plural_definition>n==1 ? 0 : n>=2 && n<=4 ? 1 : 2</plural_definition>
 </header>
 
+<source>No log entries</source>
+<target></target>
+
+<source>Published under the GNU General Public License:</source>
+<target></target>
+
+<source>Feedback and suggestions are welcome:</source>
+<target></target>
+
+<source>&Delete logs after x days:</source>
+<target></target>
+
+<source>Default log path:</source>
+<target></target>
+
+<source>Access timeout (in seconds):</source>
+<target></target>
+
+<source>Run a command:</source>
+<target></target>
+
+<source>&Override default log path:</source>
+<target></target>
+
+<source>Show &log</source>
+<target></target>
+
+<source>The server returned an error:</source>
+<target></target>
+
+<source>You may close this page now and continue with FreeFileSync.</source>
+<target></target>
+
+<source>Authentication failed.</source>
+<target></target>
+
+<source>Authentication completed.</source>
+<target></target>
+
+<source>Removing old file versions:</source>
+<target></target>
+
+<source>Searching for old file versions:</source>
+<target></target>
+
+<source>%x items</source>
+<target></target>
+
+<source>%x/sec</source>
+<target></target>
+
+<source>Quit %x</source>
+<target></target>
+
+<source>Hide %x</source>
+<target></target>
+
+<source>Hide Others</source>
+<target></target>
+
+<source>Show All</source>
+<target></target>
+
+<source>Services</source>
+<target></target>
+
+<source>Warnings:</source>
+<target></target>
+
+<source>Errors:</source>
+<target></target>
+
+<source>The name %x is used by more than one item in the folder.</source>
+<target></target>
+
 <source>Both sides have changed since last synchronization.</source>
 <target>Od poslednej synchronizácie došlo ku zmene obidvoch strán.</target>
 
@@ -188,9 +263,6 @@
 <source>File time tolerance</source>
 <target>Časová tolerancia súboru</target>
 
-<source>Folder access timeout</source>
-<target>Časový limit prístupu k priečinku</target>
-
 <source>Run with background priority</source>
 <target>Vykonať s prioritou na pozadí</target>
 
@@ -336,9 +408,6 @@
 <source>Update attributes on right</source>
 <target>Aktualizovať atribúty napravo</target>
 
-<source>Warning</source>
-<target>Varovanie</target>
-
 <source>Items processed:</source>
 <target>Spracovaných položiek:</target>
 
@@ -348,6 +417,9 @@
 <source>Total time:</source>
 <target>Celkový čas:</target>
 
+<source>Warning</source>
+<target>Varovanie</target>
+
 <source>Stopped</source>
 <target>Zastavené</target>
 
@@ -373,12 +445,6 @@
 <source>Cannot read directory %x.</source>
 <target>Nie je možné načítať adresár %x.</target>
 
-<source>/sec</source>
-<target>/s</target>
-
-<source>%x items/sec</source>
-<target>%x položiek/s</target>
-
 <source>Show in Explorer</source>
 <target>Zobraziť v Prieskumníkovi</target>
 
@@ -526,12 +592,6 @@
 <source>Generating database...</source>
 <target>Vytváranie databázy...</target>
 
-<source>Searching for excess file versions:</source>
-<target>Hľadanie prebytočných verzií súborov:</target>
-
-<source>Removing excess file versions:</source>
-<target>Odstránenie prebytočných verzií súborov:</target>
-
 <source>Unable to create time stamp for versioning:</source>
 <target>Nie je možné vytvoriť časovú značku verzovania:</target>
 
@@ -588,6 +648,12 @@ Aktuálne: %y b
 <source>Unable to move %x to the recycle bin.</source>
 <target>Nie je možné presunúť %x do Koša.</target>
 
+<source>Unable to access %x.</source>
+<target>Nie je možný prístup k %x.</target>
+
+<source>Cannot determine free disk space for %x.</source>
+<target>Nie je možné zistiť voľné miesto na disku %x.</target>
+
 <source>Cannot find %x.</source>
 <target>Nie je možné nájsť %x.</target>
 
@@ -600,18 +666,12 @@ Aktuálne: %y b
 <source>Cannot delete symbolic link %x.</source>
 <target>Nie je možné zmazať symbolický odkaz %x.</target>
 
-<source>Cannot determine free disk space for %x.</source>
-<target>Nie je možné zistiť voľné miesto na disku %x.</target>
-
 <source>Incorrect command line:</source>
 <target>Neplatný príkaz:</target>
 
 <source>The server does not support authentication via %x.</source>
 <target>Server nepodporuje overenie pomocou %x.</target>
 
-<source>Unable to access %x.</source>
-<target>Nie je možný prístup k %x.</target>
-
 <source>
 <pluralform>Operation timed out after 1 second.</pluralform>
 <pluralform>Operation timed out after %x seconds.</pluralform>
@@ -638,25 +698,6 @@ Aktuálne: %y b
 <source>Failed to open SFTP channel number %x.</source>
 <target>Nie je možné otvoriť kanál číslo %x.</target>
 
-<source>
-<pluralform>1 byte</pluralform>
-<pluralform>%x bytes</pluralform>
-</source>
-<target>
-<pluralform>%x B</pluralform>
-<pluralform>%x B</pluralform>
-<pluralform>%x B</pluralform>
-</target>
-
-<source>%x MB</source>
-<target>%x MB</target>
-
-<source>%x KB</source>
-<target>%x KB</target>
-
-<source>%x GB</source>
-<target>%x GB</target>
-
 <source>Drag && drop</source>
 <target>Pretiahni sem && pusť</target>
 
@@ -770,6 +811,25 @@ Príkaz bude spustení ak:
 <source>&Retry</source>
 <target>&Opakovať</target>
 
+<source>
+<pluralform>1 byte</pluralform>
+<pluralform>%x bytes</pluralform>
+</source>
+<target>
+<pluralform>%x B</pluralform>
+<pluralform>%x B</pluralform>
+<pluralform>%x B</pluralform>
+</target>
+
+<source>%x MB</source>
+<target>%x MB</target>
+
+<source>%x KB</source>
+<target>%x KB</target>
+
+<source>%x GB</source>
+<target>%x GB</target>
+
 <source>Loading...</source>
 <target>Načítanie...</target>
 
@@ -915,9 +975,6 @@ Príkaz bude spustení ak:
 <source>Save as &batch job...</source>
 <target>Uložiť ako &dávku...</target>
 
-<source>Show &log</source>
-<target></target>
-
 <source>Start &comparison</source>
 <target>Spustiť &porovnanie</target>
 
@@ -978,9 +1035,6 @@ Príkaz bude spustení ak:
 <source>Access online storage</source>
 <target>Prístup k online úložisku</target>
 
-<source>Swap sides</source>
-<target>Zámena strán</target>
-
 <source>Close search bar</source>
 <target>Zavrieť hľadanie</target>
 
@@ -1005,6 +1059,9 @@ Príkaz bude spustení ak:
 <source>View type:</source>
 <target>Typ zobrazenia:</target>
 
+<source>Save as default</source>
+<target>Uložiť ako predvolené</target>
+
 <source>Select view:</source>
 <target>Výber zobrazenia:</target>
 
@@ -1062,6 +1119,15 @@ Príkaz bude spustení ak:
 <source>Handle daylight saving time</source>
 <target>Používať letný čas</target>
 
+<source>Ignore errors</source>
+<target>Ignorovať chyby</target>
+
+<source>Retry count:</source>
+<target>Počet opakovaní:</target>
+
+<source>Delay (in seconds):</source>
+<target>Oneskorenie (v sekundách):</target>
+
 <source>Performance improvements:</source>
 <target>Zlepšenie výkonu:</target>
 
@@ -1136,18 +1202,6 @@ Príkaz bude spustení ak:
 <source>Last x days:</source>
 <target>Posledných x dní:</target>
 
-<source>Ignore errors</source>
-<target>Ignorovať chyby</target>
-
-<source>Retry count:</source>
-<target>Počet opakovaní:</target>
-
-<source>Delay (in seconds):</source>
-<target>Oneskorenie (v sekundách):</target>
-
-<source>Run a command after synchronization:</source>
-<target>Spustiť príkaz po synchronizácií:</target>
-
 <source>OK</source>
 <target>OK</target>
 
@@ -1274,12 +1328,6 @@ Príkaz bude spustení ak:
 <source>Stop synchronization at first error</source>
 <target>Ukončiť synchronizáciu pri prvej chybe</target>
 
-<source>Save log:</source>
-<target>Uložiť log:</target>
-
-<source>Limit number of log files:</source>
-<target>Limit počtu log súborov:</target>
-
 <source>How can I schedule a batch job?</source>
 <target>Ako nastaviť spustenie dávky v Plánovači?</target>
 
@@ -1313,9 +1361,6 @@ This guarantees a consistent state even in case of a serious error.
 <source>Show all permanently hidden dialogs and warning messages again</source>
 <target>Zobraziť znovu všetky trvale skryté dialógy a varovné hlásenia</target>
 
-<source>Remove old log files after x days:</source>
-<target></target>
-
 <source>Customize context menu:</source>
 <target>Prispôsobiť kontextovú ponuku:</target>
 
@@ -1325,9 +1370,6 @@ This guarantees a consistent state even in case of a serious error.
 <source>&Default</source>
 <target>&Predvolené</target>
 
-<source>Feedback and suggestions are welcome</source>
-<target>Komentáre a námety sú vždy vítané</target>
-
 <source>Home page</source>
 <target>Domovská stránka</target>
 
@@ -1352,9 +1394,6 @@ This guarantees a consistent state even in case of a serious error.
 <source>Source code written in C++ using:</source>
 <target>Zdrojový kód bol napísaný kompletne v C++ pomocou:</target>
 
-<source>Published under the GNU General Public License</source>
-<target>Vydané pod GNU General Public License (GPL)</target>
-
 <source>Many thanks for localization:</source>
 <target>Poďakovanie za preklad FreeFileSync:</target>
 
@@ -1409,9 +1448,6 @@ This guarantees a consistent state even in case of a serious error.
 <source>Info</source>
 <target>Info</target>
 
-<source>No log entries</source>
-<target></target>
-
 <source>Select all</source>
 <target>Vybrať všetko</target>
 
@@ -1436,6 +1472,9 @@ This guarantees a consistent state even in case of a serious error.
 <source>Overview</source>
 <target>Prehľad</target>
 
+<source>Swap sides</source>
+<target>Zámena strán</target>
+
 <source>Show "%x"</source>
 <target>Zobraziť "%x"</target>
 
@@ -1614,9 +1653,6 @@ This guarantees a consistent state even in case of a serious error.
 <source>Show filtered or temporarily excluded files</source>
 <target>Zobraziť filtrované alebo dočasne vynechané súbory</target>
 
-<source>Save as default</source>
-<target>Uložiť ako predvolené</target>
-
 <source>Filter</source>
 <target>Filter</target>
 
@@ -1967,12 +2003,6 @@ This guarantees a consistent state even in case of a serious error.
 <source>Checking recycle bin failed for folder %x.</source>
 <target>Zlyhala kontrola Koša pre priečinok %x.</target>
 
-<source>The following XML elements could not be read:</source>
-<target>Nie je možné načítať následujúce XML elementy:</target>
-
-<source>Configuration file %x is incomplete. The missing elements will be set to their default values.</source>
-<target>Konfiguračný súbor %x je nekompletný. Chybajúce položky budú nahradené predvolenými hodnotami.</target>
-
 <source>Prepare installation</source>
 <target>Príprava inštalácie</target>
 
@@ -2043,7 +2073,7 @@ This guarantees a consistent state even in case of a serious error.
 <target>Upraviť vo FreeFileSync</target>
 
 <source>Instead of an ad, here's an animal.</source>
-<target>Namiesto reklami je tu obrázok zvieraťa.</target>
+<target>Namiesto reklamy je tu obrázok zvieraťa.</target>
 
 <source>The FreeFileSync portable version cannot install into a subfolder of %x.</source>
 <target>Prenosnú verziu FreeFileSync nie je možné inštalovať do podpriečinka %x.</target>
diff --git a/FreeFileSync/Build/Languages/slovenian.lng b/FreeFileSync/Build/Languages/slovenian.lng
index 8dc2eea4..f013812b 100755
--- a/FreeFileSync/Build/Languages/slovenian.lng
+++ b/FreeFileSync/Build/Languages/slovenian.lng
@@ -162,6 +162,9 @@
 <source>Items differ in attributes only</source>
 <target>Postavke se razlikujejo samo po atributih</target>
 
+<source>The name %x is used by more than one item in the folder.</source>
+<target>Ime %x uporablja več kot ena postavka v mapi.</target>
+
 <source>Resolving symbolic link %x</source>
 <target>Razrešujem simbolično povezavo %x</target>
 
@@ -189,9 +192,6 @@
 <source>File time tolerance</source>
 <target>Časovna toleranca datoteke</target>
 
-<source>Folder access timeout</source>
-<target>Časovna omejitev dostopa do mape</target>
-
 <source>Run with background priority</source>
 <target>Zaženi s prioriteto v ozadju</target>
 
@@ -338,8 +338,11 @@
 <source>Update attributes on right</source>
 <target>Posodobi atribute na desni strani</target>
 
-<source>Warning</source>
-<target>Opozorilo</target>
+<source>Errors:</source>
+<target>Napake:</target>
+
+<source>Warnings:</source>
+<target>Opozorila:</target>
 
 <source>Items processed:</source>
 <target>Obdelanih postavk:</target>
@@ -350,6 +353,9 @@
 <source>Total time:</source>
 <target>Celoten čas:</target>
 
+<source>Warning</source>
+<target>Opozorilo</target>
+
 <source>Stopped</source>
 <target>Ustavljeno</target>
 
@@ -359,6 +365,21 @@
 <source>Error parsing file %x, row %y, column %z.</source>
 <target>Napaka pri razčlenjevanju datoteke %x, vrstica %y, stolpec %z.</target>
 
+<source>Services</source>
+<target>Storitve</target>
+
+<source>Show All</source>
+<target>Pokaži vse</target>
+
+<source>Hide Others</source>
+<target>Skrij druge</target>
+
+<source>Hide %x</source>
+<target>Skrij %x</target>
+
+<source>Quit %x</source>
+<target>Nehaj %x</target>
+
 <source>Cannot set directory locks for the following folders:</source>
 <target>Ne morem nastaviti zaklepanje imenika za naslednje mape:</target>
 
@@ -376,11 +397,11 @@
 <source>Cannot read directory %x.</source>
 <target>Ne morem prebrati direktorija %x.</target>
 
-<source>/sec</source>
-<target>/sek</target>
+<source>%x/sec</source>
+<target>%x/sek</target>
 
-<source>%x items/sec</source>
-<target>%x postavk/sek</target>
+<source>%x items</source>
+<target>%x postavk</target>
 
 <source>Show in Explorer</source>
 <target>Prikaži v Raziskovalcu</target>
@@ -529,11 +550,11 @@
 <source>Generating database...</source>
 <target>Ustvarjam podatkovno bazo...</target>
 
-<source>Searching for excess file versions:</source>
-<target>Iskanje presežnih različic datotek:</target>
+<source>Searching for old file versions:</source>
+<target>Iskanje starih različic datotek:</target>
 
-<source>Removing excess file versions:</source>
-<target>Odstranjevanje presežnih različic datotek:</target>
+<source>Removing old file versions:</source>
+<target>Odstranjevanje starejših različic datotek:</target>
 
 <source>Unable to create time stamp for versioning:</source>
 <target>Časovnega žiga za oznčitev ni bilo mogoče ustvariti:</target>
@@ -591,6 +612,24 @@ Dejansko: %y bajtov
 <source>Unable to move %x to the recycle bin.</source>
 <target>Ne morem premakniti %x v koš.</target>
 
+<source>Unable to access %x.</source>
+<target>Ne morem dostopati do %x.</target>
+
+<source>Authentication completed.</source>
+<target>Preverjanje pristnosti končano.</target>
+
+<source>Authentication failed.</source>
+<target>Preverjanje pristnosti ni uspelo.</target>
+
+<source>You may close this page now and continue with FreeFileSync.</source>
+<target>To stran lahko zdaj zaprete in nadaljujete z FreeFileSync.</target>
+
+<source>The server returned an error:</source>
+<target>Strežnik je vrnil napako:</target>
+
+<source>Cannot determine free disk space for %x.</source>
+<target>Ne morem določiti prostega prostora na disku za %x.</target>
+
 <source>Cannot find %x.</source>
 <target>Ne najdem %x.</target>
 
@@ -603,18 +642,12 @@ Dejansko: %y bajtov
 <source>Cannot delete symbolic link %x.</source>
 <target>Ne morem izbrisati simbolične povezave %x.</target>
 
-<source>Cannot determine free disk space for %x.</source>
-<target>Ne morem določiti prostega prostora na disku za %x.</target>
-
 <source>Incorrect command line:</source>
 <target>Napačna ukazna vrstica:</target>
 
 <source>The server does not support authentication via %x.</source>
 <target>Strežnik ne podpira preverjanja pristnosti preko %x.</target>
 
-<source>Unable to access %x.</source>
-<target>Ne morem dostopati do %x.</target>
-
 <source>
 <pluralform>Operation timed out after 1 second.</pluralform>
 <pluralform>Operation timed out after %x seconds.</pluralform>
@@ -643,26 +676,6 @@ Dejansko: %y bajtov
 <source>Failed to open SFTP channel number %x.</source>
 <target>Ne morem odpreti SFTP kanala številka %x.</target>
 
-<source>
-<pluralform>1 byte</pluralform>
-<pluralform>%x bytes</pluralform>
-</source>
-<target>
-<pluralform>%x bajt</pluralform>
-<pluralform>%x bajta</pluralform>
-<pluralform>%x bajti</pluralform>
-<pluralform>%x bajtov</pluralform>
-</target>
-
-<source>%x MB</source>
-<target>%x MB</target>
-
-<source>%x KB</source>
-<target>%x KB</target>
-
-<source>%x GB</source>
-<target>%x GB</target>
-
 <source>Drag && drop</source>
 <target>Povleci && spusti</target>
 
@@ -776,6 +789,26 @@ Ukaz se sproži če:
 <source>&Retry</source>
 <target>&Ponovi</target>
 
+<source>
+<pluralform>1 byte</pluralform>
+<pluralform>%x bytes</pluralform>
+</source>
+<target>
+<pluralform>%x bajt</pluralform>
+<pluralform>%x bajta</pluralform>
+<pluralform>%x bajti</pluralform>
+<pluralform>%x bajtov</pluralform>
+</target>
+
+<source>%x MB</source>
+<target>%x MB</target>
+
+<source>%x KB</source>
+<target>%x KB</target>
+
+<source>%x GB</source>
+<target>%x GB</target>
+
 <source>Loading...</source>
 <target>Nalagam...</target>
 
@@ -923,7 +956,7 @@ Ukaz se sproži če:
 <target>Shrani kot paketno op&ravilo...</target>
 
 <source>Show &log</source>
-<target></target>
+<target>Pokaži &dnevnik</target>
 
 <source>Start &comparison</source>
 <target>Začni &primerjavo</target>
@@ -985,9 +1018,6 @@ Ukaz se sproži če:
 <source>Access online storage</source>
 <target>Dostop do spletnega prostora za shranjevanje</target>
 
-<source>Swap sides</source>
-<target>Zamenjaj strani</target>
-
 <source>Close search bar</source>
 <target>Zapri iskalno vrstico</target>
 
@@ -1012,6 +1042,9 @@ Ukaz se sproži če:
 <source>View type:</source>
 <target>Vrsta prikaza:</target>
 
+<source>Save as default</source>
+<target>Shrani kot privzeto</target>
+
 <source>Select view:</source>
 <target>Izberi prikaz:</target>
 
@@ -1069,6 +1102,15 @@ Ukaz se sproži če:
 <source>Handle daylight saving time</source>
 <target>Upoštevaj poletni in zimski čas</target>
 
+<source>Ignore errors</source>
+<target>Prezri napake</target>
+
+<source>Retry count:</source>
+<target>Število poskusov:</target>
+
+<source>Delay (in seconds):</source>
+<target>Zakasnitev (v sekundah):</target>
+
 <source>Performance improvements:</source>
 <target>Izboljšave zmogljivosti:</target>
 
@@ -1143,17 +1185,11 @@ Ukaz se sproži če:
 <source>Last x days:</source>
 <target>Zadnji x dnevi:</target>
 
-<source>Ignore errors</source>
-<target>Prezri napake</target>
-
-<source>Retry count:</source>
-<target>Število poskusov:</target>
-
-<source>Delay (in seconds):</source>
-<target>Zakasnitev (v sekundah):</target>
+<source>&Override default log path:</source>
+<target>&Preglasi privzeto pot dnevnika:</target>
 
-<source>Run a command after synchronization:</source>
-<target>Zaženi ukaz po sinhronizaciji:</target>
+<source>Run a command:</source>
+<target>Zaženi ukaz:</target>
 
 <source>OK</source>
 <target>V redu</target>
@@ -1203,6 +1239,9 @@ Ukaz se sproži če:
 <source>Directory on server:</source>
 <target>Imenik na strežniku:</target>
 
+<source>Access timeout (in seconds):</source>
+<target>Časovna omejitev dostopa (v sekundah):</target>
+
 <source>SFTP channels per connection:</source>
 <target>SFTP kanali za povezavo:</target>
 
@@ -1281,12 +1320,6 @@ Ukaz se sproži če:
 <source>Stop synchronization at first error</source>
 <target>Ustavi sinhronizacijo ob prvi napaki</target>
 
-<source>Save log:</source>
-<target>Shrani dnevnik:</target>
-
-<source>Limit number of log files:</source>
-<target>Omejitve števila datotek dnevnika:</target>
-
 <source>How can I schedule a batch job?</source>
 <target>Kako lahko načrtujem opravilo v paketu?</target>
 
@@ -1323,8 +1356,11 @@ To zagotavlja dosledno stanje tudi v primeru resne napake.
 <source>Show all permanently hidden dialogs and warning messages again</source>
 <target>Prikaži vsa trajno skrita pogovorna okna in opozorilna sporočila</target>
 
-<source>Remove old log files after x days:</source>
-<target></target>
+<source>Default log path:</source>
+<target>Privzeta pot dnevnika:</target>
+
+<source>&Delete logs after x days:</source>
+<target>&Izbriši dnevnike po x dneh:</target>
 
 <source>Customize context menu:</source>
 <target>Prilagodi kontekstni meni:</target>
@@ -1335,8 +1371,8 @@ To zagotavlja dosledno stanje tudi v primeru resne napake.
 <source>&Default</source>
 <target>&Privzeto</target>
 
-<source>Feedback and suggestions are welcome</source>
-<target>Povratne informacije in predlogi so dobrodošli</target>
+<source>Feedback and suggestions are welcome:</source>
+<target>Povratne informacije in predlogi so dobrodošli:</target>
 
 <source>Home page</source>
 <target>Domača stran</target>
@@ -1362,8 +1398,8 @@ To zagotavlja dosledno stanje tudi v primeru resne napake.
 <source>Source code written in C++ using:</source>
 <target>Izvorna koda napisana v C++ z uporabo:</target>
 
-<source>Published under the GNU General Public License</source>
-<target>Objavljeno pod licenco GNU General Public</target>
+<source>Published under the GNU General Public License:</source>
+<target>Objavljeno pod licenco GNU General Public:</target>
 
 <source>Many thanks for localization:</source>
 <target>Zahvala prevajalcem za lokalizacijo:</target>
@@ -1420,7 +1456,7 @@ To zagotavlja dosledno stanje tudi v primeru resne napake.
 <target>Info</target>
 
 <source>No log entries</source>
-<target></target>
+<target>Ni zapisov v dnevniku</target>
 
 <source>Select all</source>
 <target>Izberi vse</target>
@@ -1446,6 +1482,9 @@ To zagotavlja dosledno stanje tudi v primeru resne napake.
 <source>Overview</source>
 <target>Predogled</target>
 
+<source>Swap sides</source>
+<target>Zamenjaj strani</target>
+
 <source>Show "%x"</source>
 <target>Prikaži "%x"</target>
 
@@ -1628,9 +1667,6 @@ To zagotavlja dosledno stanje tudi v primeru resne napake.
 <source>Show filtered or temporarily excluded files</source>
 <target>Pokaži filtrirane ali začasno izključene datoteke</target>
 
-<source>Save as default</source>
-<target>Shrani kot privzeto</target>
-
 <source>Filter</source>
 <target>Filter</target>
 
@@ -1986,12 +2022,6 @@ To zagotavlja dosledno stanje tudi v primeru resne napake.
 <source>Checking recycle bin failed for folder %x.</source>
 <target>Preverjanje koša za mapo %x ni uspelo.</target>
 
-<source>The following XML elements could not be read:</source>
-<target>Neaslednje XML postavke niso berljive:</target>
-
-<source>Configuration file %x is incomplete. The missing elements will be set to their default values.</source>
-<target>Nastavitvena datoteka %x je nepopolna. Manjkajoči elementi bodo nastavljeni na privzete vrednosti.</target>
-
 <source>Prepare installation</source>
 <target>Pripravljam namestitev</target>
 
diff --git a/FreeFileSync/Build/Languages/spanish.lng b/FreeFileSync/Build/Languages/spanish.lng
index d539e749..0bb0b241 100755
--- a/FreeFileSync/Build/Languages/spanish.lng
+++ b/FreeFileSync/Build/Languages/spanish.lng
@@ -101,7 +101,7 @@
 <target>archivo de config. global:</target>
 
 <source>Any number of FreeFileSync "ffs_gui" and/or "ffs_batch" configuration files.</source>
-<target>Cualquier número de archivos de configuración de FreeFileSync ("ffs_gui" ó "ffs_batch").</target>
+<target>Cualquier número de archivos de configuración "ffs_gui" y/o "ffs_batch" de FreeFileSync.</target>
 
 <source>Any number of alternative directory pairs for at most one config file.</source>
 <target>Cualquier número de pares de directorios alternativos para un archivo de configuración como máximo.</target>
@@ -160,6 +160,9 @@
 <source>Items differ in attributes only</source>
 <target>Los elementos sólo se diferencian en los atributos</target>
 
+<source>The name %x is used by more than one item in the folder.</source>
+<target>El nombre %x es utilizado por más de un elemento en la carpeta.</target>
+
 <source>Resolving symbolic link %x</source>
 <target>Resolviendo vínculo simbólico %x</target>
 
@@ -187,9 +190,6 @@
 <source>File time tolerance</source>
 <target>Tolerancia en hora de archivo</target>
 
-<source>Folder access timeout</source>
-<target>Tiempo de espera de acceso a carpetas</target>
-
 <source>Run with background priority</source>
 <target>Ejecutar con prioridad en segundo plano</target>
 
@@ -334,8 +334,11 @@
 <source>Update attributes on right</source>
 <target>Actualizar atributos en la derecha</target>
 
-<source>Warning</source>
-<target>Atención</target>
+<source>Errors:</source>
+<target>Errores:</target>
+
+<source>Warnings:</source>
+<target>Advertencias:</target>
 
 <source>Items processed:</source>
 <target>Elementos procesados:</target>
@@ -346,6 +349,9 @@
 <source>Total time:</source>
 <target>Tiempo total:</target>
 
+<source>Warning</source>
+<target>Atención</target>
+
 <source>Stopped</source>
 <target>Detenido</target>
 
@@ -355,6 +361,21 @@
 <source>Error parsing file %x, row %y, column %z.</source>
 <target>Error analizando archivo %x, fila %y, columna %z.</target>
 
+<source>Services</source>
+<target>Servicios</target>
+
+<source>Show All</source>
+<target>Mostrar todo</target>
+
+<source>Hide Others</source>
+<target>Ocultar otros</target>
+
+<source>Hide %x</source>
+<target>Ocultar %x</target>
+
+<source>Quit %x</source>
+<target>Salir de %x</target>
+
 <source>Cannot set directory locks for the following folders:</source>
 <target>No se pudieron bloquear directorios para las carpetas siguientes:</target>
 
@@ -370,11 +391,11 @@
 <source>Cannot read directory %x.</source>
 <target>No se puede leer el directorio %x.</target>
 
-<source>/sec</source>
-<target>/seg</target>
+<source>%x/sec</source>
+<target>%x/seg</target>
 
-<source>%x items/sec</source>
-<target>%x elementos/seg</target>
+<source>%x items</source>
+<target>%x elementos</target>
 
 <source>Show in Explorer</source>
 <target>Mostrar en el Explorador</target>
@@ -523,10 +544,10 @@
 <source>Generating database...</source>
 <target>Generando base de datos...</target>
 
-<source>Searching for excess file versions:</source>
+<source>Searching for old file versions:</source>
 <target>Buscando versiones antiguas de archivos:</target>
 
-<source>Removing excess file versions:</source>
+<source>Removing old file versions:</source>
 <target>Eliminando versiones antiguas de archivos:</target>
 
 <source>Unable to create time stamp for versioning:</source>
@@ -585,6 +606,24 @@ Reales: %y bytes
 <source>Unable to move %x to the recycle bin.</source>
 <target>No es posible mover %x a la papelera de reciclaje.</target>
 
+<source>Unable to access %x.</source>
+<target>No se puede acceder a %x.</target>
+
+<source>Authentication completed.</source>
+<target>Autenticación completada.</target>
+
+<source>Authentication failed.</source>
+<target>Fallo de autenticación.</target>
+
+<source>You may close this page now and continue with FreeFileSync.</source>
+<target>Puede cerrar esta página y continuar con FreeFileSync.</target>
+
+<source>The server returned an error:</source>
+<target>El servidor devolvió un error:</target>
+
+<source>Cannot determine free disk space for %x.</source>
+<target>No se puede determinar el espacio libre en disco para %x.</target>
+
 <source>Cannot find %x.</source>
 <target>No se encuentra %x.</target>
 
@@ -597,18 +636,12 @@ Reales: %y bytes
 <source>Cannot delete symbolic link %x.</source>
 <target>No se puede eliminar el vínculo simbólico %x.</target>
 
-<source>Cannot determine free disk space for %x.</source>
-<target>No se puede determinar el espacio libre en disco para %x.</target>
-
 <source>Incorrect command line:</source>
 <target>Línea de comandos incorrecta:</target>
 
 <source>The server does not support authentication via %x.</source>
 <target>El servidor no admite autenticación via %x.</target>
 
-<source>Unable to access %x.</source>
-<target>No se puede acceder a %x.</target>
-
 <source>
 <pluralform>Operation timed out after 1 second.</pluralform>
 <pluralform>Operation timed out after %x seconds.</pluralform>
@@ -633,24 +666,6 @@ Reales: %y bytes
 <source>Failed to open SFTP channel number %x.</source>
 <target>Fallo de apertura del canal SFTP número %x.</target>
 
-<source>
-<pluralform>1 byte</pluralform>
-<pluralform>%x bytes</pluralform>
-</source>
-<target>
-<pluralform>1 byte</pluralform>
-<pluralform>%x bytes</pluralform>
-</target>
-
-<source>%x MB</source>
-<target>%x MB</target>
-
-<source>%x KB</source>
-<target>%x KB</target>
-
-<source>%x GB</source>
-<target>%x Gb</target>
-
 <source>Drag && drop</source>
 <target>Arrastrar y soltar</target>
 
@@ -764,6 +779,24 @@ El comando es disparado si:
 <source>&Retry</source>
 <target>&Reintentar</target>
 
+<source>
+<pluralform>1 byte</pluralform>
+<pluralform>%x bytes</pluralform>
+</source>
+<target>
+<pluralform>1 byte</pluralform>
+<pluralform>%x bytes</pluralform>
+</target>
+
+<source>%x MB</source>
+<target>%x MB</target>
+
+<source>%x KB</source>
+<target>%x KB</target>
+
+<source>%x GB</source>
+<target>%x Gb</target>
+
 <source>Loading...</source>
 <target>Cargando...</target>
 
@@ -909,7 +942,7 @@ El comando es disparado si:
 <target>Guardar como tarea por &lotes...</target>
 
 <source>Show &log</source>
-<target></target>
+<target>Mostrar re&gistro</target>
 
 <source>Start &comparison</source>
 <target>Iniciar la &comparación</target>
@@ -971,9 +1004,6 @@ El comando es disparado si:
 <source>Access online storage</source>
 <target>Acceder a almacenamiento en línea</target>
 
-<source>Swap sides</source>
-<target>Intercambiar lados</target>
-
 <source>Close search bar</source>
 <target>Cerrar la barra de búsqueda</target>
 
@@ -998,6 +1028,9 @@ El comando es disparado si:
 <source>View type:</source>
 <target>Ver tipo:</target>
 
+<source>Save as default</source>
+<target>Guardar como predeterminado</target>
+
 <source>Select view:</source>
 <target>Seleccionar vista:</target>
 
@@ -1055,6 +1088,15 @@ El comando es disparado si:
 <source>Handle daylight saving time</source>
 <target>Respetar el horario de verano</target>
 
+<source>Ignore errors</source>
+<target>Ignorar errores</target>
+
+<source>Retry count:</source>
+<target>Cuenta de reintentos:</target>
+
+<source>Delay (in seconds):</source>
+<target>Retardo (en segundos):</target>
+
 <source>Performance improvements:</source>
 <target>Mejoras en el rendimiento:</target>
 
@@ -1129,17 +1171,11 @@ El comando es disparado si:
 <source>Last x days:</source>
 <target>Últimos x días:</target>
 
-<source>Ignore errors</source>
-<target>Ignorar errores</target>
-
-<source>Retry count:</source>
-<target>Cuenta de reintentos:</target>
-
-<source>Delay (in seconds):</source>
-<target>Retardo (en segundos):</target>
+<source>&Override default log path:</source>
+<target>&Reemplazar la ruta predeterminada del registro:</target>
 
-<source>Run a command after synchronization:</source>
-<target>Ejecutar un comando tras la sincronización:</target>
+<source>Run a command:</source>
+<target>Ejecutar un comando:</target>
 
 <source>OK</source>
 <target>OK</target>
@@ -1189,6 +1225,9 @@ El comando es disparado si:
 <source>Directory on server:</source>
 <target>Directorio del servidor:</target>
 
+<source>Access timeout (in seconds):</source>
+<target>Tiempo de espera en acceso (segundos):</target>
+
 <source>SFTP channels per connection:</source>
 <target>Canales SFTP por conexión:</target>
 
@@ -1250,7 +1289,7 @@ El comando es disparado si:
 <target>Crear tarea por lotes para sincronización desatendida. Para iniciar, haga doble clic en este archivo o prográmelo en el planificador de tareas: %x</target>
 
 <source>Progress dialog:</source>
-<target>Diálogo de progreson:</target>
+<target>Diálogo de progreso:</target>
 
 <source>Run minimized</source>
 <target>Ejecutar minimizado</target>
@@ -1267,12 +1306,6 @@ El comando es disparado si:
 <source>Stop synchronization at first error</source>
 <target>Detener la sincronización con el primer error</target>
 
-<source>Save log:</source>
-<target>Guardar registro:</target>
-
-<source>Limit number of log files:</source>
-<target>Limitar el número de archivos de registro:</target>
-
 <source>How can I schedule a batch job?</source>
 <target>¿Cómo puedo programar una tarea por lotes?</target>
 
@@ -1309,8 +1342,11 @@ Esto garantiza un estado coherente incluso en caso de error grave.
 <source>Show all permanently hidden dialogs and warning messages again</source>
 <target>Volver a mostrar todos los diálogos y mensajes de advertencia que fueron permanentemente ocultados</target>
 
-<source>Remove old log files after x days:</source>
-<target></target>
+<source>Default log path:</source>
+<target>Ruta predeterminada del registro:</target>
+
+<source>&Delete logs after x days:</source>
+<target>&Eliminar los registros tras x días:</target>
 
 <source>Customize context menu:</source>
 <target>Personalizar menú contextual:</target>
@@ -1321,8 +1357,8 @@ Esto garantiza un estado coherente incluso en caso de error grave.
 <source>&Default</source>
 <target>&Configuración predeterminada</target>
 
-<source>Feedback and suggestions are welcome</source>
-<target>Tus comentarios y sugerencias son bienvenidos:</target>
+<source>Feedback and suggestions are welcome:</source>
+<target>Comentarios y sugerencias son bienvenidos:</target>
 
 <source>Home page</source>
 <target>Página de inicio</target>
@@ -1348,8 +1384,8 @@ Esto garantiza un estado coherente incluso en caso de error grave.
 <source>Source code written in C++ using:</source>
 <target>Código fuente C++ con soporte de:</target>
 
-<source>Published under the GNU General Public License</source>
-<target>Publicado bajo régimen de derechos GNU General Public License:</target>
+<source>Published under the GNU General Public License:</source>
+<target>Publicado con licencia pública general GNU:</target>
 
 <source>Many thanks for localization:</source>
 <target>Agradecimientos a los traductores:</target>
@@ -1406,7 +1442,7 @@ Esto garantiza un estado coherente incluso en caso de error grave.
 <target>Info</target>
 
 <source>No log entries</source>
-<target></target>
+<target>No hay entradas de registro</target>
 
 <source>Select all</source>
 <target>Seleccionar todo</target>
@@ -1432,6 +1468,9 @@ Esto garantiza un estado coherente incluso en caso de error grave.
 <source>Overview</source>
 <target>Vista general</target>
 
+<source>Swap sides</source>
+<target>Intercambiar lados</target>
+
 <source>Show "%x"</source>
 <target>Mostrar "%x"</target>
 
@@ -1606,9 +1645,6 @@ Esto garantiza un estado coherente incluso en caso de error grave.
 <source>Show filtered or temporarily excluded files</source>
 <target>Mostrar archivos excluidos temporalmente o filtrados</target>
 
-<source>Save as default</source>
-<target>Guardar como predeterminado</target>
-
 <source>Filter</source>
 <target>Filtro</target>
 
@@ -1954,12 +1990,6 @@ Esto garantiza un estado coherente incluso en caso de error grave.
 <source>Checking recycle bin failed for folder %x.</source>
 <target>Fallo al comprobar la papelera de reciclaje para la carpeta %x.</target>
 
-<source>The following XML elements could not be read:</source>
-<target>No se pueden leer los siguientes elementos XML:</target>
-
-<source>Configuration file %x is incomplete. The missing elements will be set to their default values.</source>
-<target>El archivo de configuración %x está incompleto. Los elementos ausentes se definirán con valores predeterminados.</target>
-
 <source>Prepare installation</source>
 <target>Preparar la instalación</target>
 
diff --git a/FreeFileSync/Build/Languages/swedish.lng b/FreeFileSync/Build/Languages/swedish.lng
index ee21b7ee..91965af7 100755
--- a/FreeFileSync/Build/Languages/swedish.lng
+++ b/FreeFileSync/Build/Languages/swedish.lng
@@ -160,6 +160,9 @@
 <source>Items differ in attributes only</source>
 <target>Endast attribut skiljer objekten åt</target>
 
+<source>The name %x is used by more than one item in the folder.</source>
+<target>Namnet %x, används av mer än ett objekt, i mappen.</target>
+
 <source>Resolving symbolic link %x</source>
 <target>Översätter den symboliska länken %x</target>
 
@@ -187,9 +190,6 @@
 <source>File time tolerance</source>
 <target>Tidsstämpeltolerans</target>
 
-<source>Folder access timeout</source>
-<target>Tidsgräns för mappåtkomst</target>
-
 <source>Run with background priority</source>
 <target>Kör med bakgrundsprioritet</target>
 
@@ -334,8 +334,11 @@
 <source>Update attributes on right</source>
 <target>Uppdatera attribut på höger sida</target>
 
-<source>Warning</source>
-<target>Varning</target>
+<source>Errors:</source>
+<target>Fel:</target>
+
+<source>Warnings:</source>
+<target>Varningar:</target>
 
 <source>Items processed:</source>
 <target>Processade poster:</target>
@@ -346,6 +349,9 @@
 <source>Total time:</source>
 <target>Total tid:</target>
 
+<source>Warning</source>
+<target>Varning</target>
+
 <source>Stopped</source>
 <target>Stoppad</target>
 
@@ -355,6 +361,21 @@
 <source>Error parsing file %x, row %y, column %z.</source>
 <target>Tolkningsfel på filen %x, rad %y, kolumn %z.</target>
 
+<source>Services</source>
+<target>Tjänster</target>
+
+<source>Show All</source>
+<target>Visa all</target>
+
+<source>Hide Others</source>
+<target>Dölj andra</target>
+
+<source>Hide %x</source>
+<target>Dölj %x</target>
+
+<source>Quit %x</source>
+<target>Avsluta %x</target>
+
 <source>Cannot set directory locks for the following folders:</source>
 <target>Kan inte ange mapplås för följanda mappar:</target>
 
@@ -370,11 +391,11 @@
 <source>Cannot read directory %x.</source>
 <target>Kan inte läsa mappen %x.</target>
 
-<source>/sec</source>
-<target>/s</target>
+<source>%x/sec</source>
+<target>%x/sek</target>
 
-<source>%x items/sec</source>
-<target>%x objekt/sek.</target>
+<source>%x items</source>
+<target>%x objekt</target>
 
 <source>Show in Explorer</source>
 <target>Visa i Utforskaren</target>
@@ -523,11 +544,11 @@
 <source>Generating database...</source>
 <target>Skapar databas...</target>
 
-<source>Searching for excess file versions:</source>
-<target>Söker efter överflödiga filversioner:</target>
+<source>Searching for old file versions:</source>
+<target>Söker efter gamla filversioner:</target>
 
-<source>Removing excess file versions:</source>
-<target>Tar bort överflödiga filversioner:</target>
+<source>Removing old file versions:</source>
+<target>Tar bort gamla filversioner:</target>
 
 <source>Unable to create time stamp for versioning:</source>
 <target>Kunde inte skapa tidsstämpel för versionshantering:</target>
@@ -585,6 +606,24 @@ Aktuell: %y byte
 <source>Unable to move %x to the recycle bin.</source>
 <target>Kan inte att flytta %x till papperskorgen.</target>
 
+<source>Unable to access %x.</source>
+<target>Kan inte komma åt %x.</target>
+
+<source>Authentication completed.</source>
+<target>Autentisering slutförd.</target>
+
+<source>Authentication failed.</source>
+<target>Autentisering misslyckades.</target>
+
+<source>You may close this page now and continue with FreeFileSync.</source>
+<target>Du kan nu stänga denna sida och fortsätta med FreeFileSync.</target>
+
+<source>The server returned an error:</source>
+<target>Servern returnerade ett fel:</target>
+
+<source>Cannot determine free disk space for %x.</source>
+<target>Kan inte avgöra ledigt utrymme på %x.</target>
+
 <source>Cannot find %x.</source>
 <target>Kan inte hitta %x.</target>
 
@@ -597,18 +636,12 @@ Aktuell: %y byte
 <source>Cannot delete symbolic link %x.</source>
 <target>Kan inte ta bort den symboliska länken %x.</target>
 
-<source>Cannot determine free disk space for %x.</source>
-<target>Kan inte avgöra ledigt utrymme på %x.</target>
-
 <source>Incorrect command line:</source>
 <target>Felaktig kommandorad:</target>
 
 <source>The server does not support authentication via %x.</source>
 <target>Servern stödjer inte autentisering via %x.</target>
 
-<source>Unable to access %x.</source>
-<target>Kan inte komma åt %x.</target>
-
 <source>
 <pluralform>Operation timed out after 1 second.</pluralform>
 <pluralform>Operation timed out after %x seconds.</pluralform>
@@ -633,24 +666,6 @@ Aktuell: %y byte
 <source>Failed to open SFTP channel number %x.</source>
 <target>Kunde inte öppna SFTP-kanal nummer %x.</target>
 
-<source>
-<pluralform>1 byte</pluralform>
-<pluralform>%x bytes</pluralform>
-</source>
-<target>
-<pluralform>1 byte</pluralform>
-<pluralform>%x byte</pluralform>
-</target>
-
-<source>%x MB</source>
-<target>%x MB</target>
-
-<source>%x KB</source>
-<target>%x KB</target>
-
-<source>%x GB</source>
-<target>%x GB</target>
-
 <source>Drag && drop</source>
 <target>Dra && släpp</target>
 
@@ -764,6 +779,24 @@ Kommandot triggas om:
 <source>&Retry</source>
 <target>&Försök igen</target>
 
+<source>
+<pluralform>1 byte</pluralform>
+<pluralform>%x bytes</pluralform>
+</source>
+<target>
+<pluralform>1 byte</pluralform>
+<pluralform>%x byte</pluralform>
+</target>
+
+<source>%x MB</source>
+<target>%x MB</target>
+
+<source>%x KB</source>
+<target>%x KB</target>
+
+<source>%x GB</source>
+<target>%x GB</target>
+
 <source>Loading...</source>
 <target>Läser in...</target>
 
@@ -909,7 +942,7 @@ Kommandot triggas om:
 <target>Spara som &batch-fil...</target>
 
 <source>Show &log</source>
-<target></target>
+<target>Visa &logg</target>
 
 <source>Start &comparison</source>
 <target>&Jämför</target>
@@ -971,9 +1004,6 @@ Kommandot triggas om:
 <source>Access online storage</source>
 <target>Anslut fjärrlagring</target>
 
-<source>Swap sides</source>
-<target>Byt sida</target>
-
 <source>Close search bar</source>
 <target>Stäng sökfältet</target>
 
@@ -998,6 +1028,9 @@ Kommandot triggas om:
 <source>View type:</source>
 <target>Visningstyp:</target>
 
+<source>Save as default</source>
+<target>Spara som standard</target>
+
 <source>Select view:</source>
 <target>Välj vy:</target>
 
@@ -1055,6 +1088,15 @@ Kommandot triggas om:
 <source>Handle daylight saving time</source>
 <target>Hantera sommartid</target>
 
+<source>Ignore errors</source>
+<target>Ignorera fel</target>
+
+<source>Retry count:</source>
+<target>Antal försök:</target>
+
+<source>Delay (in seconds):</source>
+<target>Fördröjning (i sekunder):</target>
+
 <source>Performance improvements:</source>
 <target>Prestandaförbättringar:</target>
 
@@ -1129,17 +1171,11 @@ Kommandot triggas om:
 <source>Last x days:</source>
 <target>Senaste x dagarna:</target>
 
-<source>Ignore errors</source>
-<target>Ignorera fel</target>
-
-<source>Retry count:</source>
-<target>Antal försök:</target>
-
-<source>Delay (in seconds):</source>
-<target>Fördröjning (i sekunder):</target>
+<source>&Override default log path:</source>
+<target>&Åsidosätt standard loggsökväg:</target>
 
-<source>Run a command after synchronization:</source>
-<target>Kör ett kommando efter synkronisering:</target>
+<source>Run a command:</source>
+<target>Kör ett kommando:</target>
 
 <source>OK</source>
 <target>OK</target>
@@ -1189,6 +1225,9 @@ Kommandot triggas om:
 <source>Directory on server:</source>
 <target>Målmapp på servern:</target>
 
+<source>Access timeout (in seconds):</source>
+<target>Åtkomsttidsgräns (i sekunder):</target>
+
 <source>SFTP channels per connection:</source>
 <target>SFTP-kanaler per anslutning:</target>
 
@@ -1267,12 +1306,6 @@ Kommandot triggas om:
 <source>Stop synchronization at first error</source>
 <target>Stoppa synkroniseringen vid första fel som uppstår</target>
 
-<source>Save log:</source>
-<target>Spara logg:</target>
-
-<source>Limit number of log files:</source>
-<target>Begränsa antalet loggfiler:</target>
-
 <source>How can I schedule a batch job?</source>
 <target>Hur schemalägger jag en batch-fil?</target>
 
@@ -1309,8 +1342,11 @@ Detta garanterar ett konsekvent tillstånd även vid allvarliga fel.
 <source>Show all permanently hidden dialogs and warning messages again</source>
 <target>Visa alla permanent dolda dialoger och varningsmeddelanden igen</target>
 
-<source>Remove old log files after x days:</source>
-<target></target>
+<source>Default log path:</source>
+<target>Standard loggsökväg:</target>
+
+<source>&Delete logs after x days:</source>
+<target>&Ta bort loggar efter x dagar:</target>
 
 <source>Customize context menu:</source>
 <target>Anpassad kontextmeny:</target>
@@ -1321,8 +1357,8 @@ Detta garanterar ett konsekvent tillstånd även vid allvarliga fel.
 <source>&Default</source>
 <target>&Standard</target>
 
-<source>Feedback and suggestions are welcome</source>
-<target>Återkoppling och förslag är välkommna</target>
+<source>Feedback and suggestions are welcome:</source>
+<target>Återkoppling och förslag välkomnas:</target>
 
 <source>Home page</source>
 <target>Hemsida</target>
@@ -1348,8 +1384,8 @@ Detta garanterar ett konsekvent tillstånd även vid allvarliga fel.
 <source>Source code written in C++ using:</source>
 <target>Källkod skriven i C++ med hjälp av:</target>
 
-<source>Published under the GNU General Public License</source>
-<target>Publiserad under GNU General Public License</target>
+<source>Published under the GNU General Public License:</source>
+<target>Publicerat under GNU General Public License:</target>
 
 <source>Many thanks for localization:</source>
 <target>Tack för översättning:</target>
@@ -1406,7 +1442,7 @@ Detta garanterar ett konsekvent tillstånd även vid allvarliga fel.
 <target>Info</target>
 
 <source>No log entries</source>
-<target></target>
+<target>Inga loggposter</target>
 
 <source>Select all</source>
 <target>Markera alla</target>
@@ -1432,6 +1468,9 @@ Detta garanterar ett konsekvent tillstånd även vid allvarliga fel.
 <source>Overview</source>
 <target>Översikt</target>
 
+<source>Swap sides</source>
+<target>Byt sida</target>
+
 <source>Show "%x"</source>
 <target>Visa "%x"</target>
 
@@ -1606,9 +1645,6 @@ Detta garanterar ett konsekvent tillstånd även vid allvarliga fel.
 <source>Show filtered or temporarily excluded files</source>
 <target>Dölj filtrerade eller temporärt undantagna filer</target>
 
-<source>Save as default</source>
-<target>Spara som standard</target>
-
 <source>Filter</source>
 <target>Filter</target>
 
@@ -1954,12 +1990,6 @@ Detta garanterar ett konsekvent tillstånd även vid allvarliga fel.
 <source>Checking recycle bin failed for folder %x.</source>
 <target>Kontroll av papperskorgen misslyckades för %x.</target>
 
-<source>The following XML elements could not be read:</source>
-<target>Följande XML-element kunde inte läsas:</target>
-
-<source>Configuration file %x is incomplete. The missing elements will be set to their default values.</source>
-<target>Konfigurationsfilen %x är inte komplett. De saknade elementen kommer att anges till standardvärdet.</target>
-
 <source>Prepare installation</source>
 <target>Förbered installation</target>
 
diff --git a/FreeFileSync/Build/Languages/turkish.lng b/FreeFileSync/Build/Languages/turkish.lng
index e4c3a9fd..d06e670f 100755
--- a/FreeFileSync/Build/Languages/turkish.lng
+++ b/FreeFileSync/Build/Languages/turkish.lng
@@ -160,6 +160,9 @@
 <source>Items differ in attributes only</source>
 <target>Yalnız öznitelikleri farklı olan ögeler</target>
 
+<source>The name %x is used by more than one item in the folder.</source>
+<target></target>
+
 <source>Resolving symbolic link %x</source>
 <target>%x sembolik bağlantısı çözümleniyor</target>
 
@@ -187,9 +190,6 @@
 <source>File time tolerance</source>
 <target>Yok sayılacak dosya zamanı farkı</target>
 
-<source>Folder access timeout</source>
-<target>Klasör erişimi zaman aşımı</target>
-
 <source>Run with background priority</source>
 <target>Artalan önceliği ile çalışsın</target>
 
@@ -334,8 +334,11 @@
 <source>Update attributes on right</source>
 <target>Sağdaki öznitelikler güncellensin</target>
 
-<source>Warning</source>
-<target>Uyarı</target>
+<source>Errors:</source>
+<target></target>
+
+<source>Warnings:</source>
+<target></target>
 
 <source>Items processed:</source>
 <target>İşlenen öge:</target>
@@ -346,6 +349,9 @@
 <source>Total time:</source>
 <target>Toplam süre:</target>
 
+<source>Warning</source>
+<target>Uyarı</target>
+
 <source>Stopped</source>
 <target>Durduruldu</target>
 
@@ -355,6 +361,21 @@
 <source>Error parsing file %x, row %y, column %z.</source>
 <target>%x dosyası işlenirken sorun çıktı, satır %y, sütun %z.</target>
 
+<source>Services</source>
+<target></target>
+
+<source>Show All</source>
+<target></target>
+
+<source>Hide Others</source>
+<target></target>
+
+<source>Hide %x</source>
+<target></target>
+
+<source>Quit %x</source>
+<target></target>
+
 <source>Cannot set directory locks for the following folders:</source>
 <target>Şu klasörler kilitlenemedi:</target>
 
@@ -370,11 +391,11 @@
 <source>Cannot read directory %x.</source>
 <target>%x klasörü okunamadı.</target>
 
-<source>/sec</source>
-<target>/saniye</target>
+<source>%x/sec</source>
+<target></target>
 
-<source>%x items/sec</source>
-<target>%x öge/saniye</target>
+<source>%x items</source>
+<target></target>
 
 <source>Show in Explorer</source>
 <target>Tarayıcıda Görüntüle</target>
@@ -523,11 +544,11 @@
 <source>Generating database...</source>
 <target>Veritabanı oluşturuluyor...</target>
 
-<source>Searching for excess file versions:</source>
-<target>Fazla dosya sürümleri aranıyor:</target>
+<source>Searching for old file versions:</source>
+<target></target>
 
-<source>Removing excess file versions:</source>
-<target>Fazla dosya sürümleri siliniyor:</target>
+<source>Removing old file versions:</source>
+<target></target>
 
 <source>Unable to create time stamp for versioning:</source>
 <target>Sürümlendirme için zaman damgası oluşturulamadı:</target>
@@ -585,6 +606,24 @@ Gerçekleşen: %y bayt
 <source>Unable to move %x to the recycle bin.</source>
 <target>%x geri dönüşüm kutusuna atılamadı.</target>
 
+<source>Unable to access %x.</source>
+<target>%x üzerine erişilemedi.</target>
+
+<source>Authentication completed.</source>
+<target></target>
+
+<source>Authentication failed.</source>
+<target></target>
+
+<source>You may close this page now and continue with FreeFileSync.</source>
+<target></target>
+
+<source>The server returned an error:</source>
+<target></target>
+
+<source>Cannot determine free disk space for %x.</source>
+<target>%x için boş disk alanı belirlenemedi.</target>
+
 <source>Cannot find %x.</source>
 <target>%x bulunamadı.</target>
 
@@ -597,18 +636,12 @@ Gerçekleşen: %y bayt
 <source>Cannot delete symbolic link %x.</source>
 <target>%x sembolik bağlantısı silinemedi.</target>
 
-<source>Cannot determine free disk space for %x.</source>
-<target>%x için boş disk alanı belirlenemedi.</target>
-
 <source>Incorrect command line:</source>
 <target>Satırdaki komut geçersiz:</target>
 
 <source>The server does not support authentication via %x.</source>
 <target>Sunucu %x üzerinden kimlik doğrulamasını desteklemiyor.</target>
 
-<source>Unable to access %x.</source>
-<target>%x üzerine erişilemedi.</target>
-
 <source>
 <pluralform>Operation timed out after 1 second.</pluralform>
 <pluralform>Operation timed out after %x seconds.</pluralform>
@@ -633,24 +666,6 @@ Gerçekleşen: %y bayt
 <source>Failed to open SFTP channel number %x.</source>
 <target>%x SFTP kanal numarası açılamadı.</target>
 
-<source>
-<pluralform>1 byte</pluralform>
-<pluralform>%x bytes</pluralform>
-</source>
-<target>
-<pluralform>1 bayt</pluralform>
-<pluralform>%x bayt</pluralform>
-</target>
-
-<source>%x MB</source>
-<target>%x MB</target>
-
-<source>%x KB</source>
-<target>%x KB</target>
-
-<source>%x GB</source>
-<target>%x GB</target>
-
 <source>Drag && drop</source>
 <target>Dosyaları sürükleyip buraya bırakın</target>
 
@@ -764,6 +779,24 @@ Komut şu durumlarda yürütülür:
 <source>&Retry</source>
 <target>&Yeniden Dene</target>
 
+<source>
+<pluralform>1 byte</pluralform>
+<pluralform>%x bytes</pluralform>
+</source>
+<target>
+<pluralform>1 bayt</pluralform>
+<pluralform>%x bayt</pluralform>
+</target>
+
+<source>%x MB</source>
+<target>%x MB</target>
+
+<source>%x KB</source>
+<target>%x KB</target>
+
+<source>%x GB</source>
+<target>%x GB</target>
+
 <source>Loading...</source>
 <target>Yükleniyor...</target>
 
@@ -971,9 +1004,6 @@ Komut şu durumlarda yürütülür:
 <source>Access online storage</source>
 <target>Çevrimiçi Depolama Erişimi</target>
 
-<source>Swap sides</source>
-<target>Sağ ve Sol Tarafları Değiştir</target>
-
 <source>Close search bar</source>
 <target>Arama Çubuğunu Kapat</target>
 
@@ -998,6 +1028,9 @@ Komut şu durumlarda yürütülür:
 <source>View type:</source>
 <target>Görünüm Kipi:</target>
 
+<source>Save as default</source>
+<target>Varsayılan Olarak Kaydet</target>
+
 <source>Select view:</source>
 <target>Eşit Dosya Görünümü:</target>
 
@@ -1055,6 +1088,15 @@ Komut şu durumlarda yürütülür:
 <source>Handle daylight saving time</source>
 <target>Yaz saati hakkında bilgiler</target>
 
+<source>Ignore errors</source>
+<target>Sorunlar yok sayılsın</target>
+
+<source>Retry count:</source>
+<target>Deneme Sayısı:</target>
+
+<source>Delay (in seconds):</source>
+<target>Bekleme (saniye):</target>
+
 <source>Performance improvements:</source>
 <target>Başarım İyileştirmeleri:</target>
 
@@ -1129,17 +1171,11 @@ Komut şu durumlarda yürütülür:
 <source>Last x days:</source>
 <target>Son x Gün:</target>
 
-<source>Ignore errors</source>
-<target>Sorunlar yok sayılsın</target>
-
-<source>Retry count:</source>
-<target>Deneme Sayısı:</target>
-
-<source>Delay (in seconds):</source>
-<target>Bekleme (saniye):</target>
+<source>&Override default log path:</source>
+<target></target>
 
-<source>Run a command after synchronization:</source>
-<target>Eşitleme sonrası yürütülecek komut:</target>
+<source>Run a command:</source>
+<target></target>
 
 <source>OK</source>
 <target>Tamam</target>
@@ -1189,6 +1225,9 @@ Komut şu durumlarda yürütülür:
 <source>Directory on server:</source>
 <target>Sunucudaki Klasör:</target>
 
+<source>Access timeout (in seconds):</source>
+<target></target>
+
 <source>SFTP channels per connection:</source>
 <target>Bir Bağlantı için SFTP Kanalı Sayısı:</target>
 
@@ -1267,12 +1306,6 @@ Komut şu durumlarda yürütülür:
 <source>Stop synchronization at first error</source>
 <target>Çıkan ilk sorunda eşitleme durdurulsun</target>
 
-<source>Save log:</source>
-<target>İşlem Günlüğü Kaydedilsin:</target>
-
-<source>Limit number of log files:</source>
-<target>Günlük dosyaları sayısı sınırlaması:</target>
-
 <source>How can I schedule a batch job?</source>
 <target>Toplu İşlem Zamanlaması Hakkında Bilgiler</target>
 
@@ -1309,7 +1342,10 @@ Bu yöntem, ciddi bir sorun çıkması durumunda bile işlemin tutarlı olarak y
 <source>Show all permanently hidden dialogs and warning messages again</source>
 <target>Kalıcı olarak gizlenmiş tüm ileti ve uyarılar yeniden görüntülenir</target>
 
-<source>Remove old log files after x days:</source>
+<source>Default log path:</source>
+<target></target>
+
+<source>&Delete logs after x days:</source>
 <target></target>
 
 <source>Customize context menu:</source>
@@ -1321,8 +1357,8 @@ Bu yöntem, ciddi bir sorun çıkması durumunda bile işlemin tutarlı olarak y
 <source>&Default</source>
 <target>&Varsayılan</target>
 
-<source>Feedback and suggestions are welcome</source>
-<target>Öneri ve geri bildirimlerinizi bekleriz</target>
+<source>Feedback and suggestions are welcome:</source>
+<target></target>
 
 <source>Home page</source>
 <target>Ana Sayfa</target>
@@ -1348,8 +1384,8 @@ Bu yöntem, ciddi bir sorun çıkması durumunda bile işlemin tutarlı olarak y
 <source>Source code written in C++ using:</source>
 <target>Kaynak kodu C++ kullanılarak yazılmıştır:</target>
 
-<source>Published under the GNU General Public License</source>
-<target>GNU Genel Kamu Lisansı koşulları altında yayınlanmıştır</target>
+<source>Published under the GNU General Public License:</source>
+<target></target>
 
 <source>Many thanks for localization:</source>
 <target>Çeviriler için çok teşekkürler:</target>
@@ -1432,6 +1468,9 @@ Bu yöntem, ciddi bir sorun çıkması durumunda bile işlemin tutarlı olarak y
 <source>Overview</source>
 <target>Genel</target>
 
+<source>Swap sides</source>
+<target>Sağ ve Sol Tarafları Değiştir</target>
+
 <source>Show "%x"</source>
 <target>"%x" paneli görüntülensin</target>
 
@@ -1606,9 +1645,6 @@ Bu yöntem, ciddi bir sorun çıkması durumunda bile işlemin tutarlı olarak y
 <source>Show filtered or temporarily excluded files</source>
 <target>Süzülmüş ya da geçici olarak katılmayan dosyaları görüntüler ya da gizler</target>
 
-<source>Save as default</source>
-<target>Varsayılan Olarak Kaydet</target>
-
 <source>Filter</source>
 <target>Süzme</target>
 
@@ -1954,12 +1990,6 @@ Bu yöntem, ciddi bir sorun çıkması durumunda bile işlemin tutarlı olarak y
 <source>Checking recycle bin failed for folder %x.</source>
 <target>%x klasörü için Geri Dönüşüm Kutusu denetlenemedi.</target>
 
-<source>The following XML elements could not be read:</source>
-<target>Şu XML bileşenleri okunamadı:</target>
-
-<source>Configuration file %x is incomplete. The missing elements will be set to their default values.</source>
-<target>%x yapılandırma dosyası tam değil. Eksik bileşenler için varsayılan değerler kullanılacak.</target>
-
 <source>Prepare installation</source>
 <target>Kuruluma hazırlanıyor</target>
 
diff --git a/FreeFileSync/Build/Languages/ukrainian.lng b/FreeFileSync/Build/Languages/ukrainian.lng
index a095fe89..b3d31637 100755
--- a/FreeFileSync/Build/Languages/ukrainian.lng
+++ b/FreeFileSync/Build/Languages/ukrainian.lng
@@ -161,6 +161,9 @@
 <source>Items differ in attributes only</source>
 <target>Елементи відрізняються тільки атрибутами</target>
 
+<source>The name %x is used by more than one item in the folder.</source>
+<target>Ім'я %x використовується більше ніж одним елементом у папці.</target>
+
 <source>Resolving symbolic link %x</source>
 <target>Вирішення символьного посилання %x</target>
 
@@ -188,9 +191,6 @@
 <source>File time tolerance</source>
 <target>Толеранс часу файлу</target>
 
-<source>Folder access timeout</source>
-<target>Таймаут доступу до папки</target>
-
 <source>Run with background priority</source>
 <target>Запустити з фоновим пріоритетом</target>
 
@@ -336,8 +336,11 @@
 <source>Update attributes on right</source>
 <target>Оновити атрибути праворуч</target>
 
-<source>Warning</source>
-<target>Увага</target>
+<source>Errors:</source>
+<target>Помилки:</target>
+
+<source>Warnings:</source>
+<target>Попередження:</target>
 
 <source>Items processed:</source>
 <target>Елементів оброблено:</target>
@@ -348,6 +351,9 @@
 <source>Total time:</source>
 <target>Загальний час:</target>
 
+<source>Warning</source>
+<target>Увага</target>
+
 <source>Stopped</source>
 <target>Зупинено</target>
 
@@ -357,6 +363,21 @@
 <source>Error parsing file %x, row %y, column %z.</source>
 <target>Помилка розбору файлу %x, рядок %y, колонка %z.</target>
 
+<source>Services</source>
+<target>Служби</target>
+
+<source>Show All</source>
+<target>Показати Усі</target>
+
+<source>Hide Others</source>
+<target>Сховати Інші</target>
+
+<source>Hide %x</source>
+<target>Сховати %x</target>
+
+<source>Quit %x</source>
+<target>Вихід %x</target>
+
 <source>Cannot set directory locks for the following folders:</source>
 <target>Неможливо встановити блокування каталогів для таких папок:</target>
 
@@ -373,11 +394,11 @@
 <source>Cannot read directory %x.</source>
 <target>Не вдається прочитати папку %x.</target>
 
-<source>/sec</source>
-<target>/сек</target>
+<source>%x/sec</source>
+<target>%x/сек</target>
 
-<source>%x items/sec</source>
-<target>%x елемента/сек</target>
+<source>%x items</source>
+<target>%x елементів</target>
 
 <source>Show in Explorer</source>
 <target>Показати у Провіднику</target>
@@ -526,11 +547,11 @@
 <source>Generating database...</source>
 <target>Створення бази даних...</target>
 
-<source>Searching for excess file versions:</source>
-<target>Пошук надлишкових версій файлів:</target>
+<source>Searching for old file versions:</source>
+<target>Пошук старих версій файлів:</target>
 
-<source>Removing excess file versions:</source>
-<target>Видалення надлишкових версій файлів:</target>
+<source>Removing old file versions:</source>
+<target>Видалення старих версій файлів:</target>
 
 <source>Unable to create time stamp for versioning:</source>
 <target>Не вдається створити часової мітки для версій:</target>
@@ -588,6 +609,24 @@ Actual: %y bytes
 <source>Unable to move %x to the recycle bin.</source>
 <target>Не вдається перемістити %x до корзини.</target>
 
+<source>Unable to access %x.</source>
+<target>Не вдалося отримати доступ до %x.</target>
+
+<source>Authentication completed.</source>
+<target>Автентифікація виконана.</target>
+
+<source>Authentication failed.</source>
+<target>Автентифікація не виконана.</target>
+
+<source>You may close this page now and continue with FreeFileSync.</source>
+<target>Ви можете закрити цю сторінку зараз і продовжити з FreeFileSync.</target>
+
+<source>The server returned an error:</source>
+<target>Сервер вернув помилку:</target>
+
+<source>Cannot determine free disk space for %x.</source>
+<target>Не вдається визначити об'єм вільного місця для %x.</target>
+
 <source>Cannot find %x.</source>
 <target>Не вдається знайти %x.</target>
 
@@ -600,18 +639,12 @@ Actual: %y bytes
 <source>Cannot delete symbolic link %x.</source>
 <target>Не вдалося вилучити символьне посилання %x.</target>
 
-<source>Cannot determine free disk space for %x.</source>
-<target>Не вдається визначити об'єм вільного місця для %x.</target>
-
 <source>Incorrect command line:</source>
 <target>Неправильний командний рядок:</target>
 
 <source>The server does not support authentication via %x.</source>
 <target>Сервер не підтримує аутентифікацію за допомогою %x.</target>
 
-<source>Unable to access %x.</source>
-<target>Не вдалося отримати доступ до %x.</target>
-
 <source>
 <pluralform>Operation timed out after 1 second.</pluralform>
 <pluralform>Operation timed out after %x seconds.</pluralform>
@@ -638,25 +671,6 @@ Actual: %y bytes
 <source>Failed to open SFTP channel number %x.</source>
 <target>Не вдалося відкрити SFTP канал номер %x.</target>
 
-<source>
-<pluralform>1 byte</pluralform>
-<pluralform>%x bytes</pluralform>
-</source>
-<target>
-<pluralform>%x байт</pluralform>
-<pluralform>%x байти</pluralform>
-<pluralform>%x байтів</pluralform>
-</target>
-
-<source>%x MB</source>
-<target>%x МБ</target>
-
-<source>%x KB</source>
-<target>%x КБ</target>
-
-<source>%x GB</source>
-<target>%x ГБ</target>
-
 <source>Drag && drop</source>
 <target>Drag && drop</target>
 
@@ -770,6 +784,25 @@ The command is triggered if:
 <source>&Retry</source>
 <target>&Повторити</target>
 
+<source>
+<pluralform>1 byte</pluralform>
+<pluralform>%x bytes</pluralform>
+</source>
+<target>
+<pluralform>%x байт</pluralform>
+<pluralform>%x байти</pluralform>
+<pluralform>%x байтів</pluralform>
+</target>
+
+<source>%x MB</source>
+<target>%x МБ</target>
+
+<source>%x KB</source>
+<target>%x КБ</target>
+
+<source>%x GB</source>
+<target>%x ГБ</target>
+
 <source>Loading...</source>
 <target>Завантаження...</target>
 
@@ -916,7 +949,7 @@ The command is triggered if:
 <target>Зберегти як &пакетне завдання...</target>
 
 <source>Show &log</source>
-<target></target>
+<target>Показати &журнал</target>
 
 <source>Start &comparison</source>
 <target>Запуск по&рівняння</target>
@@ -978,9 +1011,6 @@ The command is triggered if:
 <source>Access online storage</source>
 <target>Доступ до online сховища</target>
 
-<source>Swap sides</source>
-<target>Поміняти місцями</target>
-
 <source>Close search bar</source>
 <target>Закрити панель пошуку</target>
 
@@ -1005,6 +1035,9 @@ The command is triggered if:
 <source>View type:</source>
 <target>Тип перегляду:</target>
 
+<source>Save as default</source>
+<target>Зберегти як замовчування</target>
+
 <source>Select view:</source>
 <target>Вибрати перегляд:</target>
 
@@ -1062,6 +1095,15 @@ The command is triggered if:
 <source>Handle daylight saving time</source>
 <target>Перехід на літній час вручну</target>
 
+<source>Ignore errors</source>
+<target>Ігнорувати помилки</target>
+
+<source>Retry count:</source>
+<target>Кількість спроб:</target>
+
+<source>Delay (in seconds):</source>
+<target>Затримка (секунд):</target>
+
 <source>Performance improvements:</source>
 <target>Підвищення продуктивності:</target>
 
@@ -1136,17 +1178,11 @@ The command is triggered if:
 <source>Last x days:</source>
 <target>Останні x днів:</target>
 
-<source>Ignore errors</source>
-<target>Ігнорувати помилки</target>
-
-<source>Retry count:</source>
-<target>Кількість спроб:</target>
-
-<source>Delay (in seconds):</source>
-<target>Затримка (секунд):</target>
+<source>&Override default log path:</source>
+<target>&Перевизначити шлях журналу за замовчуванням:</target>
 
-<source>Run a command after synchronization:</source>
-<target>Виконати команду після синхронізації:</target>
+<source>Run a command:</source>
+<target>Запустити команду:</target>
 
 <source>OK</source>
 <target>OK</target>
@@ -1196,6 +1232,9 @@ The command is triggered if:
 <source>Directory on server:</source>
 <target>Папка на сервері:</target>
 
+<source>Access timeout (in seconds):</source>
+<target>Тайм-аут доступу (у секундах):</target>
+
 <source>SFTP channels per connection:</source>
 <target>SFTP канали на з'єднання:</target>
 
@@ -1274,12 +1313,6 @@ The command is triggered if:
 <source>Stop synchronization at first error</source>
 <target>Зупинити синхронізацію при першій помилці</target>
 
-<source>Save log:</source>
-<target>Зберегти журнал:</target>
-
-<source>Limit number of log files:</source>
-<target>Обмеження кількості файлів журналу:</target>
-
 <source>How can I schedule a batch job?</source>
 <target>Як можна запланувати пакетне завдання?</target>
 
@@ -1316,8 +1349,11 @@ This guarantees a consistent state even in case of a serious error.
 <source>Show all permanently hidden dialogs and warning messages again</source>
 <target>Показати всі сховані діалоги і повідомлення з попередженнями знову</target>
 
-<source>Remove old log files after x days:</source>
-<target></target>
+<source>Default log path:</source>
+<target>Шлях до журналу за замовчуванням:</target>
+
+<source>&Delete logs after x days:</source>
+<target>&Видалити журнали після x днів:</target>
 
 <source>Customize context menu:</source>
 <target>Налаштування контекстного меню:</target>
@@ -1328,8 +1364,8 @@ This guarantees a consistent state even in case of a serious error.
 <source>&Default</source>
 <target>&За замовчуванням</target>
 
-<source>Feedback and suggestions are welcome</source>
-<target>Відгуки та пропозиції вітаються</target>
+<source>Feedback and suggestions are welcome:</source>
+<target>Зворотній зв'язок і пропозиції вітаються:</target>
 
 <source>Home page</source>
 <target>Домашня сторінка</target>
@@ -1355,8 +1391,8 @@ This guarantees a consistent state even in case of a serious error.
 <source>Source code written in C++ using:</source>
 <target>Код програми написаний на C++ з використанням:</target>
 
-<source>Published under the GNU General Public License</source>
-<target>Видано за ліцензією GNU General Public License</target>
+<source>Published under the GNU General Public License:</source>
+<target>Опубліковано за GNU General Public License:</target>
 
 <source>Many thanks for localization:</source>
 <target>Подяка за локалізацію:</target>
@@ -1413,7 +1449,7 @@ This guarantees a consistent state even in case of a serious error.
 <target>Інформація</target>
 
 <source>No log entries</source>
-<target></target>
+<target>Немає записів журналу</target>
 
 <source>Select all</source>
 <target>Виділити все</target>
@@ -1439,6 +1475,9 @@ This guarantees a consistent state even in case of a serious error.
 <source>Overview</source>
 <target>Огляд</target>
 
+<source>Swap sides</source>
+<target>Поміняти місцями</target>
+
 <source>Show "%x"</source>
 <target>Показати "%x"</target>
 
@@ -1617,9 +1656,6 @@ This guarantees a consistent state even in case of a serious error.
 <source>Show filtered or temporarily excluded files</source>
 <target>Показати відфільтровані чи тимчасово виключені елементи</target>
 
-<source>Save as default</source>
-<target>Зберегти як замовчування</target>
-
 <source>Filter</source>
 <target>Фільтр</target>
 
@@ -1970,12 +2006,6 @@ This guarantees a consistent state even in case of a serious error.
 <source>Checking recycle bin failed for folder %x.</source>
 <target>Перевірка корзини для папки %x не вдалася.</target>
 
-<source>The following XML elements could not be read:</source>
-<target>Наступні XML елементи не вдалося прочитати:</target>
-
-<source>Configuration file %x is incomplete. The missing elements will be set to their default values.</source>
-<target>Файл конфігурації %x неповний. Елементи, яких не вистачає, будуть заповнені значеннями за замовчуванням.</target>
-
 <source>Prepare installation</source>
 <target>Підготовка встановлення</target>
 
diff --git a/FreeFileSync/Build/styles.gtk_rc b/FreeFileSync/Build/styles.gtk_rc
index 36eecb1b..b13985a0 100755
--- a/FreeFileSync/Build/styles.gtk_rc
+++ b/FreeFileSync/Build/styles.gtk_rc
@@ -1,7 +1,7 @@
 style "no-inner-border"
 {
-	GtkButton::focus-padding = 0
-	GtkButton::inner-border = {0, 0, 0, 0}
+	GtkButton::inner-border = {0, 0, 0, 0} /*remove excessive borders on Gnome*/
+	/*GtkButton::focus-padding = 0        => keep default: minor difference + looks better on KDE */
 }
 
 class "GtkButton" style "no-inner-border"
diff --git a/FreeFileSync/Source/Makefile b/FreeFileSync/Source/Makefile
index bd274138..8c666383 100755
--- a/FreeFileSync/Source/Makefile
+++ b/FreeFileSync/Source/Makefile
@@ -39,11 +39,11 @@ CPP_FILES+=base/dir_lock.cpp
 CPP_FILES+=base/ffs_paths.cpp
 CPP_FILES+=base/file_hierarchy.cpp
 CPP_FILES+=base/generate_logfile.cpp
-CPP_FILES+=base/hard_filter.cpp
 CPP_FILES+=base/icon_buffer.cpp
 CPP_FILES+=base/icon_loader.cpp
 CPP_FILES+=base/localization.cpp
 CPP_FILES+=base/parallel_scan.cpp
+CPP_FILES+=base/path_filter.cpp
 CPP_FILES+=base/process_xml.cpp
 CPP_FILES+=base/perf_check.cpp
 CPP_FILES+=base/resolve_path.cpp
@@ -96,24 +96,24 @@ CPP_FILES+=../../wx+/popup_dlg_generated.cpp
 CPP_FILES+=../../wx+/zlib_wrap.cpp
 CPP_FILES+=../../xBRZ/src/xbrz.cpp
 
-OBJECT_LIST = $(CPP_FILES:%.cpp=../Obj/FFS_GCC_Make_Release/ffs/src/%.o)
+OBJ_FILES = $(CPP_FILES:%=../Obj/FFS_GCC_Make_Release/ffs/src/%.o)
 
-all: ../Build/$(APPNAME)
+all: ../Build/Bin/$(APPNAME)
 
-../Build/$(APPNAME): $(OBJECT_LIST)
+../Build/Bin/$(APPNAME): $(OBJ_FILES)
 	g++ -o $@ $^ $(LINKFLAGS)
 
-../Obj/FFS_GCC_Make_Release/ffs/src/%.o : %.cpp
+../Obj/FFS_GCC_Make_Release/ffs/src/%.o : %
 	mkdir -p $(dir $@)
 	g++ $(CXXFLAGS) -c $< -o $@
 
 clean:
 	rm -rf ../Obj/FFS_GCC_Make_Release
-	rm -f ../Build/$(APPNAME)
+	rm -f ../Build/Bin/$(APPNAME)
 
 install:
 	mkdir -p $(BINDIR)
-	cp ../Build/$(APPNAME) $(BINDIR)
+	cp ../Build/Bin/$(APPNAME) $(BINDIR)
 
 	mkdir -p $(APPSHAREDIR)
 	cp -R ../Build/Languages/ \
@@ -121,9 +121,9 @@ install:
 	../Build/gong.wav \
 	../Build/harp.wav \
 	../Build/Resources.zip \
-	"../Build/User Manual.pdf" \
 	$(APPSHAREDIR)
 
 	mkdir -p $(DOCSHAREDIR)
 	cp ../../Changelog.txt $(DOCSHAREDIR)/CHANGELOG
+#	cp "../Build/User Manual.pdf" $(DOCSHAREDIR)
 	gzip $(DOCSHAREDIR)/CHANGELOG
diff --git a/FreeFileSync/Source/RealTimeSync/Makefile b/FreeFileSync/Source/RealTimeSync/Makefile
index 900d2d22..d04aeb6f 100755
--- a/FreeFileSync/Source/RealTimeSync/Makefile
+++ b/FreeFileSync/Source/RealTimeSync/Makefile
@@ -37,21 +37,21 @@ CPP_FILES+=../../../wx+/popup_dlg.cpp
 CPP_FILES+=../../../wx+/popup_dlg_generated.cpp
 CPP_FILES+=../../../xBRZ/src/xbrz.cpp
 
-OBJECT_LIST=$(CPP_FILES:%.cpp=../../Obj/RTS_GCC_Make_Release/ffs/src/rts/%.o)
+OBJ_FILES=$(CPP_FILES:%=../../Obj/RTS_GCC_Make_Release/ffs/src/rts/%.o)
 
-all: ../../Build/$(APPNAME)
+all: ../../Build/Bin/$(APPNAME)
 
-../../Build/$(APPNAME): $(OBJECT_LIST)
+../../Build/Bin/$(APPNAME): $(OBJ_FILES)
 	g++ -o $@ $^ $(LINKFLAGS)
 
-../../Obj/RTS_GCC_Make_Release/ffs/src/rts/%.o : %.cpp
+../../Obj/RTS_GCC_Make_Release/ffs/src/rts/%.o : %
 	mkdir -p $(dir $@)
 	g++ $(CXXFLAGS) -c $< -o $@
 
 clean:
 	rm -rf ../../Obj/RTS_GCC_Make_Release
-	rm -f ../../Build/$(APPNAME)
+	rm -f ../../Build/Bin/$(APPNAME)
 
 install:
 	mkdir -p $(BINDIR)
-	cp ../../Build/$(APPNAME) $(BINDIR)
+	cp ../../Build/Bin/$(APPNAME) $(BINDIR)
diff --git a/FreeFileSync/Source/RealTimeSync/application.cpp b/FreeFileSync/Source/RealTimeSync/application.cpp
index 6047468f..af556ace 100755
--- a/FreeFileSync/Source/RealTimeSync/application.cpp
+++ b/FreeFileSync/Source/RealTimeSync/application.cpp
@@ -32,7 +32,6 @@ IMPLEMENT_APP(Application);
 
 namespace
 {
-
 const wxEventType EVENT_ENTER_EVENT_LOOP = wxNewEventType();
 }
 
@@ -126,8 +125,8 @@ int Application::OnRun()
     {
         fff::logFatalError(e.what()); //it's not always possible to display a message box, e.g. corrupted stack, however low-level file output works!
 
-        const auto title = copyStringTo<std::wstring>(wxTheApp->GetAppDisplayName()) + SPACED_DASH + _("An exception occurred");
-        wxSafeShowMessage(title, e.what());
+        const auto titleFmt = copyStringTo<std::wstring>(wxTheApp->GetAppDisplayName()) + SPACED_DASH + _("An exception occurred");
+        std::cerr << utfTo<std::string>(titleFmt + SPACED_DASH) << e.what() << "\n";
         return fff::FFS_RC_EXCEPTION;
     }
     //catch (...) -> let it crash and create mini dump!!!
diff --git a/FreeFileSync/Source/RealTimeSync/folder_selector2.cpp b/FreeFileSync/Source/RealTimeSync/folder_selector2.cpp
index 298d55b6..200cdbcf 100755
--- a/FreeFileSync/Source/RealTimeSync/folder_selector2.cpp
+++ b/FreeFileSync/Source/RealTimeSync/folder_selector2.cpp
@@ -36,7 +36,8 @@ void setFolderPath(const Zstring& dirpath, wxTextCtrl* txtCtrl, wxWindow& toolti
         tooltipWnd.SetToolTip(utfTo<wxString>(folderPathFmt));
 
     if (staticText) //change static box label only if there is a real difference to what is shown in wxTextCtrl anyway
-        staticText->SetLabel(equalLocalPath(appendSeparator(trimCpy(dirpath)), appendSeparator(folderPathFmt)) ? wxString(_("Drag && drop")) : utfTo<wxString>(folderPathFmt));
+        staticText->SetLabel(equalNativePath(appendSeparator(trimCpy(dirpath)), appendSeparator(folderPathFmt)) ?
+                             wxString(_("Drag && drop")) : utfTo<wxString>(folderPathFmt));
 }
 }
 
diff --git a/FreeFileSync/Source/RealTimeSync/main_dlg.cpp b/FreeFileSync/Source/RealTimeSync/main_dlg.cpp
index e4dfcb56..2689955c 100755
--- a/FreeFileSync/Source/RealTimeSync/main_dlg.cpp
+++ b/FreeFileSync/Source/RealTimeSync/main_dlg.cpp
@@ -98,10 +98,12 @@ MainDialog::MainDialog(wxDialog* dlg, const Zstring& cfgFileName)
 
     Zstring currentConfigFile = cfgFileName;
     if (currentConfigFile.empty())
-    {
-        if (!itemNotExisting(lastRunConfigPath_)) //existing/access error? => user should be informed about access errors
-            currentConfigFile = lastRunConfigPath_;
-    }
+        try
+        {
+            if (itemStillExists(lastRunConfigPath_)) //throw FileError
+                currentConfigFile = lastRunConfigPath_;
+        }
+        catch (FileError&) { currentConfigFile = lastRunConfigPath_; } //access error? => user should be informed
 
     bool loadCfgSuccess = false;
     if (!currentConfigFile.empty())
@@ -212,7 +214,7 @@ void MainDialog::OnStart(wxCommandEvent& event)
     Hide();
 
     XmlRealConfig currentCfg = getConfiguration();
-    const Zstring activeCfgFilePath = !equalLocalPath(activeConfigFile_, lastRunConfigPath_) ? activeConfigFile_ : Zstring();
+    const Zstring activeCfgFilePath = !equalNativePath(activeConfigFile_, lastRunConfigPath_) ? activeConfigFile_ : Zstring();
 
     switch (runFolderMonitor(currentCfg, ::extractJobName(activeCfgFilePath)))
     {
@@ -231,7 +233,7 @@ void MainDialog::OnStart(wxCommandEvent& event)
 
 void MainDialog::OnConfigSave(wxCommandEvent& event)
 {
-    const Zstring defaultFilePath = !activeConfigFile_.empty() && !equalLocalPath(activeConfigFile_, lastRunConfigPath_) ? activeConfigFile_ : Zstr("Realtime.ffs_real");
+    const Zstring defaultFilePath = !activeConfigFile_.empty() && !equalNativePath(activeConfigFile_, lastRunConfigPath_) ? activeConfigFile_ : Zstr("Realtime.ffs_real");
     auto defaultFolder   = utfTo<wxString>(beforeLast(defaultFilePath, FILE_NAME_SEPARATOR, IF_MISSING_RETURN_NONE));
     auto defaultFileName = utfTo<wxString>(afterLast (defaultFilePath, FILE_NAME_SEPARATOR, IF_MISSING_RETURN_ALL));
 
@@ -290,7 +292,7 @@ void MainDialog::setLastUsedConfig(const Zstring& filepath)
 {
     activeConfigFile_ = filepath;
 
-    const Zstring activeCfgFilePath = !equalLocalPath(activeConfigFile_, lastRunConfigPath_) ? activeConfigFile_ : Zstring();
+    const Zstring activeCfgFilePath = !equalNativePath(activeConfigFile_, lastRunConfigPath_) ? activeConfigFile_ : Zstring();
 
     if (!activeCfgFilePath.empty())
         SetTitle(utfTo<wxString>(activeCfgFilePath));
@@ -308,7 +310,7 @@ void MainDialog::OnConfigNew(wxCommandEvent& event)
 
 void MainDialog::OnConfigLoad(wxCommandEvent& event)
 {
-    const Zstring activeCfgFilePath = !equalLocalPath(activeConfigFile_, lastRunConfigPath_) ? activeConfigFile_ : Zstring();
+    const Zstring activeCfgFilePath = !equalNativePath(activeConfigFile_, lastRunConfigPath_) ? activeConfigFile_ : Zstring();
 
     wxFileDialog filePicker(this,
                             wxString(),
diff --git a/FreeFileSync/Source/RealTimeSync/monitor.cpp b/FreeFileSync/Source/RealTimeSync/monitor.cpp
index 8d12080b..647a1114 100755
--- a/FreeFileSync/Source/RealTimeSync/monitor.cpp
+++ b/FreeFileSync/Source/RealTimeSync/monitor.cpp
@@ -22,8 +22,8 @@ const std::chrono::seconds FOLDER_EXISTENCE_CHECK_INTERVAL(1);
 
 
 //wait until all directories become available (again) + logs in network share
-std::set<Zstring, LessLocalPath> waitForMissingDirs(const std::vector<Zstring>& folderPathPhrases, //throw FileError
-                                                    const std::function<void(const Zstring& folderPath)>& requestUiRefresh, std::chrono::milliseconds cbInterval)
+std::set<Zstring, LessNativePath> waitForMissingDirs(const std::vector<Zstring>& folderPathPhrases, //throw FileError
+                                                     const std::function<void(const Zstring& folderPath)>& requestUiRefresh, std::chrono::milliseconds cbInterval)
 {
     //early failure! check for unsupported folder paths:
     for (const Zstring& protoName : { Zstr("FTP"), Zstr("SFTP"), Zstr("MTP") })
@@ -39,7 +39,7 @@ std::set<Zstring, LessLocalPath> waitForMissingDirs(const std::vector<Zstring>&
             Zstring folderPathPhrase;
             std::future<bool> folderAvailable;
         };
-        std::map<Zstring, FolderInfo, LessLocalPath> folderInfos; //folderPath => FolderInfo
+        std::map<Zstring, FolderInfo, LessNativePath> folderInfos; //folderPath => FolderInfo
 
         for (const Zstring& phrase : folderPathPhrases)
         {
@@ -50,8 +50,8 @@ std::set<Zstring, LessLocalPath> waitForMissingDirs(const std::vector<Zstring>&
                 folderInfos[folderPath] = { phrase, runAsync([folderPath]{ return dirAvailable(folderPath); }) };
         }
 
-        std::set<Zstring, LessLocalPath> availablePaths;
-        std::set<Zstring, LessLocalPath> missingPathPhrases;
+        std::set<Zstring, LessNativePath> availablePaths;
+        std::set<Zstring, LessNativePath> missingPathPhrases;
         for (auto& [folderPath, folderInfo] : folderInfos)
         {
             std::future<bool>& folderAvailable = folderInfo.folderAvailable;
@@ -118,7 +118,7 @@ struct WaitResult
 };
 
 
-WaitResult waitForChanges(const std::set<Zstring, LessLocalPath>& folderPaths, //throw FileError
+WaitResult waitForChanges(const std::set<Zstring, LessNativePath>& folderPaths, //throw FileError
                           const std::function<void(bool readyForSync)>& requestUiRefresh, std::chrono::milliseconds cbInterval)
 {
     assert(std::all_of(folderPaths.begin(), folderPaths.end(), [](const Zstring& folderPath) { return dirAvailable(folderPath); }));
@@ -163,7 +163,7 @@ WaitResult waitForChanges(const std::set<Zstring, LessLocalPath>& folderPaths, /
             {
                 std::vector<DirWatcher::Entry> changedItems = watcher->getChanges([&] { requestUiRefresh(false /*readyForSync*/); /*throw X*/ },
                                                                                   cbInterval); //throw FileError
-                erase_if(changedItems, [](const DirWatcher::Entry& e)
+                eraseIf(changedItems, [](const DirWatcher::Entry& e)
                 {
                     return
                         endsWith(e.itemPath, Zstr(".ffs_tmp"))  || //sync.8ea2.ffs_tmp
@@ -222,7 +222,7 @@ void rts::monitorDirectories(const std::vector<Zstring>& folderPathPhrases, std:
     for (;;)
         try
         {
-            std::set<Zstring, LessLocalPath> folderPaths = waitForMissingDirs(folderPathPhrases, [&](const Zstring& folderPath) { requestUiRefresh(&folderPath); }, cbInterval); //throw FileError
+            std::set<Zstring, LessNativePath> folderPaths = waitForMissingDirs(folderPathPhrases, [&](const Zstring& folderPath) { requestUiRefresh(&folderPath); }, cbInterval); //throw FileError
 
             //schedule initial execution (*after* all directories have arrived)
             auto nextExecTime = std::chrono::steady_clock::now() + delay;
diff --git a/FreeFileSync/Source/RealTimeSync/tray_menu.cpp b/FreeFileSync/Source/RealTimeSync/tray_menu.cpp
index 667b480d..106c508b 100755
--- a/FreeFileSync/Source/RealTimeSync/tray_menu.cpp
+++ b/FreeFileSync/Source/RealTimeSync/tray_menu.cpp
@@ -247,7 +247,7 @@ private:
 rts::AbortReason rts::runFolderMonitor(const XmlRealConfig& config, const wxString& jobname)
 {
     std::vector<Zstring> dirNamesNonFmt = config.directories;
-    erase_if(dirNamesNonFmt, [](const Zstring& str) { return trimCpy(str).empty(); }); //remove empty entries WITHOUT formatting paths yet!
+    eraseIf(dirNamesNonFmt, [](const Zstring& str) { return trimCpy(str).empty(); }); //remove empty entries WITHOUT formatting paths yet!
 
     if (dirNamesNonFmt.empty())
     {
diff --git a/FreeFileSync/Source/RealTimeSync/xml_proc.cpp b/FreeFileSync/Source/RealTimeSync/xml_proc.cpp
index 1e8ca476..4cd8636f 100755
--- a/FreeFileSync/Source/RealTimeSync/xml_proc.cpp
+++ b/FreeFileSync/Source/RealTimeSync/xml_proc.cpp
@@ -124,7 +124,7 @@ void rts::readRealOrBatchConfig(const Zstring& filePath, XmlRealConfig& config,
         XmlIn in(doc);
 
         //read folder pairs
-        std::set<Zstring, LessLocalPath> uniqueFolders;
+        std::set<Zstring, LessNativePath> uniqueFolders;
 
         for (XmlIn inPair = in["FolderPairs"]["Pair"]; inPair; inPair.next())
         {
@@ -142,7 +142,7 @@ void rts::readRealOrBatchConfig(const Zstring& filePath, XmlRealConfig& config,
 
         //---------------------------------------------------------------------------------------
 
-        erase_if(uniqueFolders, [](const Zstring& str) { return trimCpy(str).empty(); });
+        eraseIf(uniqueFolders, [](const Zstring& str) { return trimCpy(str).empty(); });
         config.directories.assign(uniqueFolders.begin(), uniqueFolders.end());
         config.commandline = Zstr('"') + fff::getFreeFileSyncLauncherPath() + Zstr("\" \"") + filePath + Zstr('"');
     }
@@ -162,9 +162,9 @@ wxLanguage rts::getProgramLanguage() //throw FileError
     }
     catch (FileError&)
     {
-        if (!itemNotExisting(filePath)) //existing or access error
-            throw;
-        return fff::getSystemLanguage();
+        if (!itemStillExists(filePath)) //throw FileError
+            return fff::getSystemLanguage();
+        throw;
     }
 
     if (getXmlTypeNoThrow(doc) != RtsXmlType::GLOBAL) //noexcept
diff --git a/FreeFileSync/Source/base/algorithm.cpp b/FreeFileSync/Source/base/algorithm.cpp
index ff1bc787..e35f0bdf 100755
--- a/FreeFileSync/Source/base/algorithm.cpp
+++ b/FreeFileSync/Source/base/algorithm.cpp
@@ -192,21 +192,19 @@ bool fff::allElementsEqual(const FolderComparison& folderCmp)
 namespace
 {
 template <SelectedSide side> inline
-bool matchesDbEntry(const FilePair& file, const InSyncFolder::FileList::value_type* dbFile, const std::vector<unsigned int>& ignoreTimeShiftMinutes)
+bool matchesDbEntry(const FilePair& file, const InSyncFile* dbFile, const std::vector<unsigned int>& ignoreTimeShiftMinutes)
 {
     if (file.isEmpty<side>())
         return !dbFile;
     else if (!dbFile)
         return false;
 
-    const Zstring&      fileNameDb = dbFile->first;
-    const InSyncDescrFile& descrDb = SelectParam<side>::ref(dbFile->second.left, dbFile->second.right);
+    const InSyncDescrFile& descrDb = SelectParam<side>::ref(dbFile->left, dbFile->right);
 
-    return getUnicodeNormalForm(file.getItemName<side>()) == getUnicodeNormalForm(fileNameDb) && //detect changes in case (but ignore Unicode normal forms)
-           //respect 2 second FAT/FAT32 precision! copying a file to a FAT32 drive changes it's modification date by up to 2 seconds
-           //we're not interested in "fileTimeTolerance" here!
-           sameFileTime(file.getLastWriteTime<side>(), descrDb.modTime, 2, ignoreTimeShiftMinutes) &&
-           file.getFileSize<side>() == dbFile->second.fileSize;
+    //respect 2 second FAT/FAT32 precision! copying a file to a FAT32 drive changes it's modification date by up to 2 seconds
+    return //we're not interested in "fileTimeTolerance" here!
+        sameFileTime(file.getLastWriteTime<side>(), descrDb.modTime, 2, ignoreTimeShiftMinutes) &&
+        file.getFileSize<side>() == dbFile->fileSize;
     //note: we do *not* consider FileId here, but are only interested in *visual* changes. Consider user moving data to some other medium, this is not a change!
 }
 
@@ -239,19 +237,17 @@ bool stillInSync(const InSyncFile& dbFile, CompareVariant compareVar, int fileTi
 
 //check whether database entry and current item match: *irrespective* of current comparison settings
 template <SelectedSide side> inline
-bool matchesDbEntry(const SymlinkPair& symlink, const InSyncFolder::SymlinkList::value_type* dbSymlink, const std::vector<unsigned int>& ignoreTimeShiftMinutes)
+bool matchesDbEntry(const SymlinkPair& symlink, const InSyncSymlink* dbSymlink, const std::vector<unsigned int>& ignoreTimeShiftMinutes)
 {
     if (symlink.isEmpty<side>())
         return !dbSymlink;
     else if (!dbSymlink)
         return false;
 
-    const Zstring&      linkNameDb = dbSymlink->first;
-    const InSyncDescrLink& descrDb = SelectParam<side>::ref(dbSymlink->second.left, dbSymlink->second.right);
+    const InSyncDescrLink& descrDb = SelectParam<side>::ref(dbSymlink->left, dbSymlink->right);
 
-    return getUnicodeNormalForm(symlink.getItemName<side>()) == getUnicodeNormalForm(linkNameDb) &&
-           //respect 2 second FAT/FAT32 precision! copying a file to a FAT32 drive changes its modification date by up to 2 seconds
-           sameFileTime(symlink.getLastWriteTime<side>(), descrDb.modTime, 2, ignoreTimeShiftMinutes);
+    //respect 2 second FAT/FAT32 precision! copying a file to a FAT32 drive changes its modification date by up to 2 seconds
+    return sameFileTime(symlink.getLastWriteTime<side>(), descrDb.modTime, 2, ignoreTimeShiftMinutes);
 }
 
 
@@ -281,16 +277,10 @@ bool stillInSync(const InSyncSymlink& dbLink, CompareVariant compareVar, int fil
 
 //check whether database entry and current item match: *irrespective* of current comparison settings
 template <SelectedSide side> inline
-bool matchesDbEntry(const FolderPair& folder, const InSyncFolder::FolderList::value_type* dbFolder)
+bool matchesDbEntry(const FolderPair& folder, const InSyncFolder* dbFolder)
 {
-    if (!dbFolder || dbFolder->second.status == InSyncFolder::DIR_STATUS_STRAW_MAN)
-        return folder.isEmpty<side>();
-    else if (folder.isEmpty<side>())
-        return false;
-
-    const Zstring& folderNameDb = dbFolder->first;
-
-    return getUnicodeNormalForm(folder.getItemName<side>()) == getUnicodeNormalForm(folderNameDb);
+    const bool haveDbEntry = dbFolder && dbFolder->status != InSyncFolder::DIR_STATUS_STRAW_MAN;
+    return haveDbEntry == !folder.isEmpty<side>();
 }
 
 
@@ -315,22 +305,22 @@ private:
         fileTimeTolerance_(baseFolder.getFileTimeTolerance()),
         ignoreTimeShiftMinutes_(baseFolder.getIgnoredTimeShift())
     {
-        recurse(baseFolder, &dbFolder);
+        recurse(baseFolder, &dbFolder, &dbFolder);
 
         if ((!exLeftOnlyById_ .empty() || !exLeftOnlyByPath_ .empty()) &&
             (!exRightOnlyById_.empty() || !exRightOnlyByPath_.empty()))
             detectMovePairs(dbFolder);
     }
 
-    void recurse(ContainerObject& hierObj, const InSyncFolder* dbFolder)
+    void recurse(ContainerObject& hierObj, const InSyncFolder* dbFolderL, const InSyncFolder* dbFolderR)
     {
         for (FilePair& file : hierObj.refSubFiles())
         {
-            auto getDbFileEntry = [&]() -> const InSyncFile* //evaluate lazily!
+            auto getDbEntry = [](const InSyncFolder* dbFolder, const Zstring& fileName) -> const InSyncFile*
             {
                 if (dbFolder)
                 {
-                    auto it = dbFolder->files.find(file.getItemNameAny());
+                    auto it = dbFolder->files.find(fileName);
                     if (it != dbFolder->files.end())
                         return &it->second;
                 }
@@ -341,8 +331,8 @@ private:
 
             if (cat == FILE_LEFT_SIDE_ONLY)
             {
-                if (const InSyncFile* dbFile = getDbFileEntry())
-                    exLeftOnlyByPath_.emplace(dbFile, &file);
+                if (const InSyncFile* dbEntry = getDbEntry(dbFolderL, file.getItemName<LEFT_SIDE>()))
+                    exLeftOnlyByPath_.emplace(dbEntry, &file);
                 else if (!file.getFileId<LEFT_SIDE>().empty())
                 {
                     auto rv = exLeftOnlyById_.emplace(file.getFileId<LEFT_SIDE>(), &file);
@@ -352,8 +342,8 @@ private:
             }
             else if (cat == FILE_RIGHT_SIDE_ONLY)
             {
-                if (const InSyncFile* dbFile = getDbFileEntry())
-                    exRightOnlyByPath_.emplace(dbFile, &file);
+                if (const InSyncFile* dbEntry = getDbEntry(dbFolderR, file.getItemName<RIGHT_SIDE>()))
+                    exRightOnlyByPath_.emplace(dbEntry, &file);
                 else if (!file.getFileId<RIGHT_SIDE>().empty())
                 {
                     auto rv = exRightOnlyById_.emplace(file.getFileId<RIGHT_SIDE>(), &file);
@@ -365,15 +355,22 @@ private:
 
         for (FolderPair& folder : hierObj.refSubFolders())
         {
-            const InSyncFolder* dbSubFolder = nullptr; //try to find corresponding database entry
-            if (dbFolder)
+            auto getDbEntry = [](const InSyncFolder* dbFolder, const Zstring& folderName) -> const InSyncFolder*
             {
-                auto it = dbFolder->folders.find(folder.getItemNameAny());
-                if (it != dbFolder->folders.end())
-                    dbSubFolder = &it->second;
-            }
+                if (dbFolder)
+                {
+                    auto it = dbFolder->folders.find(folderName);
+                    if (it != dbFolder->folders.end())
+                        return &it->second;
+                }
+                return nullptr;
+            };
+            const InSyncFolder* dbEntryL = getDbEntry(dbFolderL, folder.getItemName<LEFT_SIDE>());
+            const InSyncFolder* dbEntryR = dbEntryL;
+            if (dbFolderL != dbFolderR || getUnicodeNormalForm(folder.getItemName<LEFT_SIDE>()) != getUnicodeNormalForm(folder.getItemName<RIGHT_SIDE>()))
+                dbEntryR = getDbEntry(dbFolderR, folder.getItemName<RIGHT_SIDE>());
 
-            recurse(folder, dbSubFolder);
+            recurse(folder, dbEntryL, dbEntryR);
         }
     }
 
@@ -400,10 +397,10 @@ private:
     }
 
     template <SelectedSide side>
-    static FilePair* getAssocFilePair(const InSyncFile& dbFile,
-                                      const std::unordered_map<AFS::FileId, FilePair*, StringHash>& exOneSideById,
-                                      const std::unordered_map<const InSyncFile*, FilePair*>& exOneSideByPath)
+    FilePair* getAssocFilePair(const InSyncFile& dbFile) const
     {
+        const std::unordered_map<AFS::FileId,       FilePair*, StringHash>& exOneSideById   = SelectParam<side>::ref(exLeftOnlyById_,   exRightOnlyById_);
+        const std::unordered_map<const InSyncFile*, FilePair*            >& exOneSideByPath = SelectParam<side>::ref(exLeftOnlyByPath_, exRightOnlyByPath_);
         {
             auto it = exOneSideByPath.find(&dbFile);
             if (it != exOneSideByPath.end())
@@ -426,9 +423,9 @@ private:
     void findAndSetMovePair(const InSyncFile& dbFile) const
     {
         if (stillInSync(dbFile, cmpVar_, fileTimeTolerance_, ignoreTimeShiftMinutes_))
-            if (FilePair* fileLeftOnly = getAssocFilePair<LEFT_SIDE>(dbFile, exLeftOnlyById_, exLeftOnlyByPath_))
+            if (FilePair* fileLeftOnly = getAssocFilePair<LEFT_SIDE>(dbFile))
                 if (sameSizeAndDate<LEFT_SIDE>(*fileLeftOnly, dbFile))
-                    if (FilePair* fileRightOnly = getAssocFilePair<RIGHT_SIDE>(dbFile, exRightOnlyById_, exRightOnlyByPath_))
+                    if (FilePair* fileRightOnly = getAssocFilePair<RIGHT_SIDE>(dbFile))
                         if (sameSizeAndDate<RIGHT_SIDE>(*fileRightOnly, dbFile))
                             if (fileLeftOnly ->getMoveRef() == nullptr && //don't let a row participate in two move pairs!
                                 fileRightOnly->getMoveRef() == nullptr)   //
@@ -489,22 +486,22 @@ private:
         ignoreTimeShiftMinutes_(baseFolder.getIgnoredTimeShift())
     {
         //-> considering filter not relevant:
-        //if narrowing filter: all ok; if widening filter (if file ex on both sides -> conflict, fine; if file ex. on one side: copy to other side: fine)
-
-        recurse(baseFolder, &dbFolder);
+        //  if stricter filter than last time: all ok;
+        //  if less strict filter (if file ex on both sides -> conflict, fine; if file ex. on one side: copy to other side: fine)
+        recurse(baseFolder, &dbFolder, &dbFolder);
     }
 
-    void recurse(ContainerObject& hierObj, const InSyncFolder* dbFolder) const
+    void recurse(ContainerObject& hierObj, const InSyncFolder* dbFolderL, const InSyncFolder* dbFolderR) const
     {
         for (FilePair& file : hierObj.refSubFiles())
-            processFile(file, dbFolder);
+            processFile(file, dbFolderL, dbFolderR);
         for (SymlinkPair& link : hierObj.refSubLinks())
-            processSymlink(link, dbFolder);
+            processSymlink(link, dbFolderL, dbFolderR);
         for (FolderPair& folder : hierObj.refSubFolders())
-            processDir(folder, dbFolder);
+            processDir(folder, dbFolderL, dbFolderR);
     }
 
-    void processFile(FilePair& file, const InSyncFolder* dbFolder) const
+    void processFile(FilePair& file, const InSyncFolder* dbFolderL, const InSyncFolder* dbFolderR) const
     {
         const CompareFilesResult cat = file.getCategory();
         if (cat == FILE_EQUAL)
@@ -518,72 +515,88 @@ private:
         //####################################################################################
 
         //try to find corresponding database entry
-        const InSyncFolder::FileList::value_type* dbEntry = nullptr;
-        if (dbFolder)
+        auto getDbEntry = [](const InSyncFolder* dbFolder, const Zstring& fileName) -> const InSyncFile*
         {
-            auto it = dbFolder->files.find(file.getItemNameAny());
-            if (it != dbFolder->files.end())
-                dbEntry = &*it;
-        }
+            if (dbFolder)
+            {
+                auto it = dbFolder->files.find(fileName);
+                if (it != dbFolder->files.end())
+                    return &it->second;
+            }
+            return nullptr;
+        };
+        const InSyncFile* dbEntryL = getDbEntry(dbFolderL, file.getItemName<LEFT_SIDE>());
+        const InSyncFile* dbEntryR = dbEntryL;
+        if (dbFolderL != dbFolderR || getUnicodeNormalForm(file.getItemName<LEFT_SIDE>()) != getUnicodeNormalForm(file.getItemName<RIGHT_SIDE>()))
+            dbEntryR = getDbEntry(dbFolderR, file.getItemName<RIGHT_SIDE>());
 
         //evaluation
-        const bool changeOnLeft  = !matchesDbEntry< LEFT_SIDE>(file, dbEntry, ignoreTimeShiftMinutes_);
-        const bool changeOnRight = !matchesDbEntry<RIGHT_SIDE>(file, dbEntry, ignoreTimeShiftMinutes_);
+        const bool changeOnLeft  = !matchesDbEntry< LEFT_SIDE>(file, dbEntryL, ignoreTimeShiftMinutes_);
+        const bool changeOnRight = !matchesDbEntry<RIGHT_SIDE>(file, dbEntryR, ignoreTimeShiftMinutes_);
 
         if (changeOnLeft != changeOnRight)
         {
             //if database entry not in sync according to current settings! -> set direction based on sync status only!
-            if (dbEntry && !stillInSync(dbEntry->second, cmpVar_, fileTimeTolerance_, ignoreTimeShiftMinutes_))
-                file.setSyncDirConflict(txtDbNotInSync);
+            if ((dbEntryL && !stillInSync(*dbEntryL, cmpVar_, fileTimeTolerance_, ignoreTimeShiftMinutes_)) ||
+                (dbEntryR && !stillInSync(*dbEntryR, cmpVar_, fileTimeTolerance_, ignoreTimeShiftMinutes_)))
+                file.setSyncDirConflict(txtDbNotInSync_);
             else
                 file.setSyncDir(changeOnLeft ? SyncDirection::RIGHT : SyncDirection::LEFT);
         }
         else
         {
             if (changeOnLeft)
-                file.setSyncDirConflict(txtBothSidesChanged);
+                file.setSyncDirConflict(txtBothSidesChanged_);
             else
-                file.setSyncDirConflict(txtNoSideChanged);
+                file.setSyncDirConflict(txtNoSideChanged_);
         }
     }
 
-    void processSymlink(SymlinkPair& symlink, const InSyncFolder* dbFolder) const
+    void processSymlink(SymlinkPair& symlink, const InSyncFolder* dbFolderL, const InSyncFolder* dbFolderR) const
     {
         const CompareSymlinkResult cat = symlink.getLinkCategory();
         if (cat == SYMLINK_EQUAL)
             return;
 
         //try to find corresponding database entry
-        const InSyncFolder::SymlinkList::value_type* dbEntry = nullptr;
-        if (dbFolder)
+        auto getDbEntry = [](const InSyncFolder* dbFolder, const Zstring& linkName) -> const InSyncSymlink*
         {
-            auto it = dbFolder->symlinks.find(symlink.getItemNameAny());
-            if (it != dbFolder->symlinks.end())
-                dbEntry = &*it;
-        }
+            if (dbFolder)
+            {
+                auto it = dbFolder->symlinks.find(linkName);
+                if (it != dbFolder->symlinks.end())
+                    return &it->second;
+            }
+            return nullptr;
+        };
+        const InSyncSymlink* dbEntryL = getDbEntry(dbFolderL, symlink.getItemName<LEFT_SIDE>());
+        const InSyncSymlink* dbEntryR = dbEntryL;
+        if (dbFolderL != dbFolderR || getUnicodeNormalForm(symlink.getItemName<LEFT_SIDE>()) != getUnicodeNormalForm(symlink.getItemName<RIGHT_SIDE>()))
+            dbEntryR = getDbEntry(dbFolderR, symlink.getItemName<RIGHT_SIDE>());
 
         //evaluation
-        const bool changeOnLeft  = !matchesDbEntry< LEFT_SIDE>(symlink, dbEntry, ignoreTimeShiftMinutes_);
-        const bool changeOnRight = !matchesDbEntry<RIGHT_SIDE>(symlink, dbEntry, ignoreTimeShiftMinutes_);
+        const bool changeOnLeft  = !matchesDbEntry< LEFT_SIDE>(symlink, dbEntryL, ignoreTimeShiftMinutes_);
+        const bool changeOnRight = !matchesDbEntry<RIGHT_SIDE>(symlink, dbEntryR, ignoreTimeShiftMinutes_);
 
         if (changeOnLeft != changeOnRight)
         {
             //if database entry not in sync according to current settings! -> set direction based on sync status only!
-            if (dbEntry && !stillInSync(dbEntry->second, cmpVar_, fileTimeTolerance_, ignoreTimeShiftMinutes_))
-                symlink.setSyncDirConflict(txtDbNotInSync);
+            if ((dbEntryL && !stillInSync(*dbEntryL, cmpVar_, fileTimeTolerance_, ignoreTimeShiftMinutes_)) ||
+                (dbEntryR && !stillInSync(*dbEntryR, cmpVar_, fileTimeTolerance_, ignoreTimeShiftMinutes_)))
+                symlink.setSyncDirConflict(txtDbNotInSync_);
             else
                 symlink.setSyncDir(changeOnLeft ? SyncDirection::RIGHT : SyncDirection::LEFT);
         }
         else
         {
             if (changeOnLeft)
-                symlink.setSyncDirConflict(txtBothSidesChanged);
+                symlink.setSyncDirConflict(txtBothSidesChanged_);
             else
-                symlink.setSyncDirConflict(txtNoSideChanged);
+                symlink.setSyncDirConflict(txtNoSideChanged_);
         }
     }
 
-    void processDir(FolderPair& folder, const InSyncFolder* dbFolder) const
+    void processDir(FolderPair& folder, const InSyncFolder* dbFolderL, const InSyncFolder* dbFolderR) const
     {
         const CompareDirResult cat = folder.getDirCategory();
 
@@ -595,43 +608,51 @@ private:
         //#######################################################################################
 
         //try to find corresponding database entry
-        const InSyncFolder::FolderList::value_type* dbEntry = nullptr;
-        if (dbFolder)
+        auto getDbEntry = [](const InSyncFolder* dbFolder, const Zstring& folderName) -> const InSyncFolder*
         {
-            auto it = dbFolder->folders.find(folder.getItemNameAny());
-            if (it != dbFolder->folders.end())
-                dbEntry = &*it;
-        }
+            if (dbFolder)
+            {
+                auto it = dbFolder->folders.find(folderName);
+                if (it != dbFolder->folders.end())
+                    return &it->second;
+            }
+            return nullptr;
+        };
+        const InSyncFolder* dbEntryL = getDbEntry(dbFolderL, folder.getItemName<LEFT_SIDE>());
+        const InSyncFolder* dbEntryR = dbEntryL;
+        if (dbFolderL != dbFolderR || getUnicodeNormalForm(folder.getItemName<LEFT_SIDE>()) != getUnicodeNormalForm(folder.getItemName<RIGHT_SIDE>()))
+            dbEntryR = getDbEntry(dbFolderR, folder.getItemName<RIGHT_SIDE>());
 
         if (cat != DIR_EQUAL)
         {
             //evaluation
-            const bool changeOnLeft  = !matchesDbEntry< LEFT_SIDE>(folder, dbEntry);
-            const bool changeOnRight = !matchesDbEntry<RIGHT_SIDE>(folder, dbEntry);
+            const bool changeOnLeft  = !matchesDbEntry< LEFT_SIDE>(folder, dbEntryL);
+            const bool changeOnRight = !matchesDbEntry<RIGHT_SIDE>(folder, dbEntryR);
 
             if (changeOnLeft != changeOnRight)
             {
                 //if database entry not in sync according to current settings! -> set direction based on sync status only!
-                if (dbEntry && !stillInSync(dbEntry->second))
-                    folder.setSyncDirConflict(txtDbNotInSync);
+                if ((dbEntryL && !stillInSync(*dbEntryL)) ||
+                    (dbEntryR && !stillInSync(*dbEntryR)))
+                    folder.setSyncDirConflict(txtDbNotInSync_);
                 else
                     folder.setSyncDir(changeOnLeft ? SyncDirection::RIGHT : SyncDirection::LEFT);
             }
             else
             {
                 if (changeOnLeft)
-                    folder.setSyncDirConflict(txtBothSidesChanged);
+                    folder.setSyncDirConflict(txtBothSidesChanged_);
                 else
-                    folder.setSyncDirConflict(txtNoSideChanged);
+                    folder.setSyncDirConflict(txtNoSideChanged_);
             }
         }
 
-        recurse(folder, dbEntry ? &dbEntry->second : nullptr);
+        recurse(folder, dbEntryL, dbEntryR);
     }
 
-    const std::wstring txtBothSidesChanged = _("Both sides have changed since last synchronization.");
-    const std::wstring txtNoSideChanged    = _("Cannot determine sync-direction:") + L" \n" + _("No change since last synchronization.");
-    const std::wstring txtDbNotInSync      = _("Cannot determine sync-direction:") + L" \n" + _("The database entry is not in sync considering current settings.");
+    const std::wstring txtBothSidesChanged_ = _("Both sides have changed since last synchronization.");
+    const std::wstring txtNoSideChanged_    = _("Cannot determine sync-direction:") + L" \n" + _("No change since last synchronization.");
+    const std::wstring txtDbNotInSync_      = _("Cannot determine sync-direction:") + L" \n" + _("The database entry is not in sync considering current settings.");
 
     const CompareVariant cmpVar_;
     const int fileTimeTolerance_;
@@ -858,10 +879,10 @@ template <FilterStrategy strategy>
 class ApplyHardFilter
 {
 public:
-    static void execute(ContainerObject& hierObj, const HardFilter& filterProcIn) { ApplyHardFilter(hierObj, filterProcIn); }
+    static void execute(ContainerObject& hierObj, const PathFilter& filterProcIn) { ApplyHardFilter(hierObj, filterProcIn); }
 
 private:
-    ApplyHardFilter(ContainerObject& hierObj, const HardFilter& filterProcIn) : filterProc(filterProcIn)  { recurse(hierObj); }
+    ApplyHardFilter(ContainerObject& hierObj, const PathFilter& filterProcIn) : filterProc(filterProcIn)  { recurse(hierObj); }
 
     void recurse(ContainerObject& hierObj) const
     {
@@ -902,7 +923,7 @@ private:
         recurse(folder);
     }
 
-    const HardFilter& filterProc;
+    const PathFilter& filterProc;
 };
 
 
@@ -1033,7 +1054,7 @@ void fff::applyFiltering(FolderComparison& folderCmp, const MainConfiguration& m
         const NormalizedFilter normFilter = normalizeFilters(mainCfg.globalFilter, it->localFilter);
 
         //"set" hard filter
-        ApplyHardFilter<STRATEGY_SET>::execute(baseFolder, *normFilter.nameFilter);
+        ApplyHardFilter<STRATEGY_SET>::execute(baseFolder, normFilter.nameFilter.ref());
 
         //"and" soft filter
         addSoftFiltering(baseFolder, normFilter.timeSizeFilter);
@@ -1109,15 +1130,15 @@ void fff::applyTimeSpanFilter(FolderComparison& folderCmp, time_t timeFrom, time
 }
 
 
-std::optional<PathDependency> fff::getPathDependency(const AbstractPath& basePathL, const HardFilter& filterL,
-                                                     const AbstractPath& basePathR, const HardFilter& filterR)
+std::optional<PathDependency> fff::getPathDependency(const AbstractPath& basePathL, const PathFilter& filterL,
+                                                     const AbstractPath& basePathR, const PathFilter& filterR)
 {
     if (!AFS::isNullPath(basePathL) && !AFS::isNullPath(basePathR))
     {
-        if (AFS::getRootPath(basePathL) == AFS::getRootPath(basePathR))
+        if (basePathL.afsDevice == basePathR.afsDevice)
         {
-            const std::vector<Zstring> relPathL = split(AFS::getRootRelativePath(basePathL), FILE_NAME_SEPARATOR, SplitType::SKIP_EMPTY);
-            const std::vector<Zstring> relPathR = split(AFS::getRootRelativePath(basePathR), FILE_NAME_SEPARATOR, SplitType::SKIP_EMPTY);
+            const std::vector<Zstring> relPathL = split(basePathL.afsPath.value, FILE_NAME_SEPARATOR, SplitType::SKIP_EMPTY);
+            const std::vector<Zstring> relPathR = split(basePathR.afsPath.value, FILE_NAME_SEPARATOR, SplitType::SKIP_EMPTY);
 
             const bool leftParent = relPathL.size() <= relPathR.size();
 
@@ -1129,12 +1150,12 @@ std::optional<PathDependency> fff::getPathDependency(const AbstractPath& basePat
                 Zstring relDirPath;
                 std::for_each(relPathC.begin() + relPathP.size(), relPathC.end(), [&](const Zstring& itemName)
                 {
-                    relDirPath = AFS::appendPaths(relDirPath, itemName, FILE_NAME_SEPARATOR);
+                    relDirPath = nativeAppendPaths(relDirPath, itemName);
                 });
                 const AbstractPath& basePathP = leftParent ? basePathL : basePathR;
                 const AbstractPath& basePathC = leftParent ? basePathR : basePathL;
 
-                const HardFilter& filterP = leftParent ? filterL : filterR;
+                const PathFilter& filterP = leftParent ? filterL : filterR;
                 //if there's a dependency, check if the sub directory is (fully) excluded via filter
                 //=> easy to check but still insufficient in general:
                 // - one folder may have a *.txt include-filter, the other a *.lng include filter => no dependencies, but "childItemMightMatch = true" below!
@@ -1150,10 +1171,10 @@ std::optional<PathDependency> fff::getPathDependency(const AbstractPath& basePat
 
 //############################################################################################################
 
-std::pair<std::wstring, int> fff::getSelectedItemsAsString(const std::vector<const FileSystemObject*>& selectionLeft,
-                                                           const std::vector<const FileSystemObject*>& selectionRight)
+std::pair<std::wstring, int> fff::getSelectedItemsAsString(std::span<const FileSystemObject* const> selectionLeft,
+                                                           std::span<const FileSystemObject* const> selectionRight)
 {
-    //don't use wxString! its rather dumb linear allocation strategy brings perf down to a crawl!
+    //don't use wxString! its dumb linear allocation strategy brings perf down to a crawl!
     std::wstring fileList; //
     int totalDelCount = 0;
 
@@ -1212,33 +1233,22 @@ void copyToAlternateFolderFrom(const std::vector<const FileSystemObject*>& rowsT
         }
         catch (FileError&)
         {
-            const AFS::PathStatus ps = AFS::getPathStatus(targetPath); //throw FileError
-
-            if (ps.relPath.empty()) //already existing
+            try
             {
+                AFS::getItemType(targetPath); //throw FileError
+                //already existing! =>
                 if (deletionError)
                     std::rethrow_exception(deletionError);
+                throw;
             }
-            else if (ps.relPath.size() > 1) //parent folder missing
-            {
-                //notifyItemCopy(txtCreatingFolder, AFS::getDisplayPath(*AFS::getParentFolderPath(targetPath))); -> useful?
+            catch (FileError&) {} //not yet existing or access error
 
-                AbstractPath intermediatePath = ps.existingPath;
-                std::for_each(ps.relPath.begin(), ps.relPath.end() - 1, [&](const Zstring& itemName)
-                {
-                    AFS::createFolderPlain(intermediatePath = AFS::appendRelPath(intermediatePath, itemName)); //throw FileError
-                    statReporter.reportDelta(1, 0);
-                    callback.requestUiRefresh(); //throw X
-                });
-                //potential future issue when adding multithreading support: intermediate folders might already exist
-                //potential future issue 2: folder created by parallel thread just after failure => ps->relPath.size() == 1, but need retry!
-                //see abstract.cpp; AFS::createFolderIfMissingRecursion()
+            if (const std::optional<AbstractPath> targetParentPath = AFS::getParentPath(targetPath))
+                AFS::createFolderIfMissingRecursion(*targetParentPath); //throw FileError
 
-                //retry:
-                copyItemPlain(nullptr /*deleteTargetItem*/); //throw FileError
-                return;
-            }
-            throw;
+            //retry:
+            copyItemPlain(nullptr /*deleteTargetItem*/); //throw FileError
+            return;
         }
     };
 
@@ -1253,34 +1263,10 @@ void copyToAlternateFolderFrom(const std::vector<const FileSystemObject*>& rowsT
         {
             ItemStatReporter<> statReporter(1, 0, callback);
             notifyItemCopy(txtCreatingFolder, AFS::getDisplayPath(targetPath));
-            try
-            {
-                //target existing: undefined behavior! (fail/overwrite)
-                AFS::createFolderPlain(targetPath); //throw FileError
-                statReporter.reportDelta(1, 0);
-            }
-            catch (FileError&)
-            {
-                const AFS::PathStatus ps = AFS::getPathStatus(targetPath); //throw FileError
-                if (ps.existingType == AFS::ItemType::FILE)
-                    throw;
-
-                if (ps.relPath.size() == 1) //don't repeat the very same createFolderPlain() call from above!
-                    throw;
 
-                //folder might already exist: see creation of intermediate directories below
-
-                AbstractPath intermediatePath = ps.existingPath;
-                for (const Zstring& itemName : ps.relPath)
-                {
-                    AFS::createFolderPlain(intermediatePath = AFS::appendRelPath(intermediatePath, itemName)); //throw FileError
-                    statReporter.reportDelta(1, 0);
-                    callback.requestUiRefresh(); //throw X
-                }
-                //potential future issue when adding multithreading support: intermediate folders might already exist
-                //potential future issue 2: parent folder created by parallel thread just after failure => ps->relPath.size() == 1, but need retry!
-                //see abstract.cpp; AFS::createFolderIfMissingRecursion()
-            }
+            AFS::createFolderIfMissingRecursion(targetPath); //throw FileError
+            statReporter.reportDelta(1, 0);
+            //folder might already exist: see creation of intermediate directories below
         },
 
         [&](const FilePair& file)
@@ -1325,18 +1311,18 @@ void copyToAlternateFolderFrom(const std::vector<const FileSystemObject*>& rowsT
 }
 
 
-void fff::copyToAlternateFolder(const std::vector<const FileSystemObject*>& rowsToCopyOnLeft,
-                                const std::vector<const FileSystemObject*>& rowsToCopyOnRight,
+void fff::copyToAlternateFolder(std::span<const FileSystemObject* const> rowsToCopyOnLeft,
+                                std::span<const FileSystemObject* const> rowsToCopyOnRight,
                                 const Zstring& targetFolderPathPhrase,
                                 bool keepRelPaths,
                                 bool overwriteIfExists,
                                 WarningDialogs& warnings,
                                 ProcessCallback& callback)
 {
-    std::vector<const FileSystemObject*> itemSelectionLeft  = rowsToCopyOnLeft;
-    std::vector<const FileSystemObject*> itemSelectionRight = rowsToCopyOnRight;
-    erase_if(itemSelectionLeft,  [](const FileSystemObject* fsObj) { return fsObj->isEmpty< LEFT_SIDE>(); });
-    erase_if(itemSelectionRight, [](const FileSystemObject* fsObj) { return fsObj->isEmpty<RIGHT_SIDE>(); });
+    std::vector<const FileSystemObject*> itemSelectionLeft (rowsToCopyOnLeft .begin(), rowsToCopyOnLeft .end());
+    std::vector<const FileSystemObject*> itemSelectionRight(rowsToCopyOnRight.begin(), rowsToCopyOnRight.end());
+    eraseIf(itemSelectionLeft,  [](const FileSystemObject* fsObj) { return fsObj->isEmpty< LEFT_SIDE>(); }); //needed for correct stats!
+    eraseIf(itemSelectionRight, [](const FileSystemObject* fsObj) { return fsObj->isEmpty<RIGHT_SIDE>(); }); //
 
     const int itemTotal = static_cast<int>(itemSelectionLeft.size() + itemSelectionRight.size());
     int64_t bytesTotal = 0;
@@ -1514,8 +1500,8 @@ void fff::deleteFromGridAndHD(const std::vector<FileSystemObject*>& rowsToDelete
     std::vector<FileSystemObject*> deleteLeft  = rowsToDeleteOnLeft;
     std::vector<FileSystemObject*> deleteRight = rowsToDeleteOnRight;
 
-    erase_if(deleteLeft,  [](const FileSystemObject* fsObj) { return fsObj->isEmpty< LEFT_SIDE>(); }); //needed?
-    erase_if(deleteRight, [](const FileSystemObject* fsObj) { return fsObj->isEmpty<RIGHT_SIDE>(); }); //yes, for correct stats:
+    eraseIf(deleteLeft,  [](const FileSystemObject* fsObj) { return fsObj->isEmpty< LEFT_SIDE>(); }); //needed?
+    eraseIf(deleteRight, [](const FileSystemObject* fsObj) { return fsObj->isEmpty<RIGHT_SIDE>(); }); //yes, for correct stats:
 
     const int itemCount = static_cast<int>(deleteLeft.size() + deleteRight.size());
     callback.initNewPhase(itemCount, 0, ProcessCallback::PHASE_SYNCHRONIZING); //throw X
@@ -1601,13 +1587,16 @@ bool fff::operator<(const FileDescriptor& lhs, const FileDescriptor& rhs)
     if (lhs.attr.fileSize != rhs.attr.fileSize)
         return lhs.attr.fileSize < rhs.attr.fileSize;
 
-    if (lhs.attr.fileId != rhs.attr.fileId)
-        return lhs.attr.fileId < rhs.attr.fileId;
-
     if (lhs.attr.isFollowedSymlink != rhs.attr.isFollowedSymlink)
         return lhs.attr.isFollowedSymlink < rhs.attr.isFollowedSymlink;
 
-    return lhs.path < rhs.path;
+    if (lhs.attr.fileId != rhs.attr.fileId)
+        return lhs.attr.fileId < rhs.attr.fileId;
+
+    if (!lhs.attr.fileId.empty())
+        return false; //when (non-empty) file IDs match we don't have to check the path => pre-mature optimization?
+    else
+        return lhs.path < rhs.path;
 }
 
 
@@ -1678,7 +1667,7 @@ void TempFileBuffer::createTempFiles(const std::set<FileDescriptor>& workLoad, P
 
         const Zstring fileName = AFS::getItemName(descr.path);
 
-        auto it = find_last(fileName.begin(), fileName.end(), Zstr('.')); //gracefully handle case of missing "."
+        auto it = findLast(fileName.begin(), fileName.end(), Zstr('.')); //gracefully handle case of missing "."
         const Zstring tempFileName = Zstring(fileName.begin(), it) + Zstr('-') + descrHash + Zstring(it, fileName.end());
 
         const Zstring tempFilePath = appendSeparator(tempFolderPath_) + tempFileName;
diff --git a/FreeFileSync/Source/base/algorithm.h b/FreeFileSync/Source/base/algorithm.h
index a8facb9d..f7b2cc15 100755
--- a/FreeFileSync/Source/base/algorithm.h
+++ b/FreeFileSync/Source/base/algorithm.h
@@ -48,16 +48,16 @@ struct PathDependency
     AbstractPath basePathChild;
     Zstring relPath; //filled if child path is subfolder of parent path; empty if child path == parent path
 };
-std::optional<PathDependency> getPathDependency(const AbstractPath& basePathL, const HardFilter& filterL,
-                                                const AbstractPath& basePathR, const HardFilter& filterR);
+std::optional<PathDependency> getPathDependency(const AbstractPath& basePathL, const PathFilter& filterL,
+                                                const AbstractPath& basePathR, const PathFilter& filterR);
 
 std::pair<std::wstring, int> getSelectedItemsAsString( //returns string with item names and total count of selected(!) items, NOT total files/dirs!
-    const std::vector<const FileSystemObject*>& selectionLeft,   //all pointers need to be bound!
-    const std::vector<const FileSystemObject*>& selectionRight); //
+    std::span<const FileSystemObject* const> selectionLeft,   //all pointers need to be bound!
+    std::span<const FileSystemObject* const> selectionRight); //
 
 //manual copy to alternate folder:
-void copyToAlternateFolder(const std::vector<const FileSystemObject*>& rowsToCopyOnLeft,  //all pointers need to be bound!
-                           const std::vector<const FileSystemObject*>& rowsToCopyOnRight, //
+void copyToAlternateFolder(std::span<const FileSystemObject* const> rowsToCopyOnLeft,  //all pointers need to be bound!
+                           std::span<const FileSystemObject* const> rowsToCopyOnRight, //
                            const Zstring& targetFolderPathPhrase,
                            bool keepRelPaths,
                            bool overwriteIfExists,
diff --git a/FreeFileSync/Source/base/application.cpp b/FreeFileSync/Source/base/application.cpp
index 4707fd98..fc07e808 100755
--- a/FreeFileSync/Source/base/application.cpp
+++ b/FreeFileSync/Source/base/application.cpp
@@ -13,6 +13,7 @@
 #include <wx+/app_main.h>
 #include <wx+/popup_dlg.h>
 #include <wx+/image_resources.h>
+#include <wx/msgdlg.h>
 #include "comparison.h"
 #include "algorithm.h"
 #include "synchronization.h"
@@ -55,8 +56,8 @@ bool Application::OnInit()
     //do not call wxApp::OnInit() to avoid using wxWidgets command line parser
 
     ::gtk_init(nullptr, nullptr);
-    //::gtk_rc_parse((getResourceDirPf() + "styles.gtk_rc").c_str()); //remove inner border from bitmap buttons
-    //=> looks bad on Suse Linux!
+    ::gtk_rc_parse((getResourceDirPf() + "styles.gtk_rc").c_str()); //remove excessive inner border from bitmap buttons
+
 
     //Windows User Experience Interaction Guidelines: tool tips should have 5s timeout, info tips no timeout => compromise:
     wxToolTip::Enable(true); //yawn, a wxWidgets screw-up: wxToolTip::SetAutoPop is no-op if global tooltip window is not yet constructed: wxToolTip::Enable creates it
@@ -115,8 +116,8 @@ int Application::OnRun()
     {
         logFatalError(e.what()); //it's not always possible to display a message box, e.g. corrupted stack, however low-level file output works!
 
-        const auto title = copyStringTo<std::wstring>(wxTheApp->GetAppDisplayName()) + SPACED_DASH + _("An exception occurred");
-        wxSafeShowMessage(title, e.what());
+        const auto titleFmt = copyStringTo<std::wstring>(wxTheApp->GetAppDisplayName()) + SPACED_DASH + _("An exception occurred");
+        std::cerr << utfTo<std::string>(titleFmt + SPACED_DASH) << e.what() << "\n";
         return FFS_RC_EXCEPTION;
     }
     //catch (...) -> let it crash and create mini dump!!!
@@ -151,10 +152,12 @@ void Application::launch(const std::vector<Zstring>& commandArgs)
     {
         logFatalError(utfTo<std::string>(msg));
 
-        //error handling strategy unknown and no sync log output available at this point! => show message box
+        //error handling strategy unknown and no sync log output available at this point!
         auto titleFmt = copyStringTo<std::wstring>(wxTheApp->GetAppDisplayName()) + SPACED_DASH + title;
-        wxSafeShowMessage(titleFmt, msg);
-
+        std::cerr << utfTo<std::string>(titleFmt + SPACED_DASH + msg) << "\n";
+        //alternative0: std::wcerr: cannot display non-ASCII at all, so why does it exist???
+        //alternative1: wxSafeShowMessage => NO console output on Debian x86, WTF!
+        //alternative2: wxMessageBox() => works, but we probably shouldn't block during command line usage
         raiseReturnCode(returnCode_, FFS_RC_ABORTED);
     };
 
@@ -202,35 +205,23 @@ void Application::launch(const std::vector<Zstring>& commandArgs)
             else if (equalAsciiNoCase(*it, optionLeftDir))
             {
                 if (++it == commandArgs.end() || isCommandLineOption(*it))
-                {
-                    notifyFatalError(replaceCpy(_("A directory path is expected after %x."), L"%x", utfTo<std::wstring>(optionLeftDir)), _("Syntax error"));
-                    return;
-                }
+                    return notifyFatalError(replaceCpy(_("A directory path is expected after %x."), L"%x", utfTo<std::wstring>(optionLeftDir)), _("Syntax error"));
                 dirPathPhrasesLeft.push_back(*it);
             }
             else if (equalAsciiNoCase(*it, optionRightDir))
             {
                 if (++it == commandArgs.end() || isCommandLineOption(*it))
-                {
-                    notifyFatalError(replaceCpy(_("A directory path is expected after %x."), L"%x", utfTo<std::wstring>(optionRightDir)), _("Syntax error"));
-                    return;
-                }
+                    return notifyFatalError(replaceCpy(_("A directory path is expected after %x."), L"%x", utfTo<std::wstring>(optionRightDir)), _("Syntax error"));
                 dirPathPhrasesRight.push_back(*it);
             }
             else if (equalAsciiNoCase(*it, optionDirPair))
             {
                 if (++it == commandArgs.end() || isCommandLineOption(*it))
-                {
-                    notifyFatalError(replaceCpy(_("A left and a right directory path are expected after %x."), L"%x", utfTo<std::wstring>(optionDirPair)), _("Syntax error"));
-                    return;
-                }
+                    return notifyFatalError(replaceCpy(_("A left and a right directory path are expected after %x."), L"%x", utfTo<std::wstring>(optionDirPair)), _("Syntax error"));
                 dirPathPhrasePairs.emplace_back(*it, Zstring());
 
                 if (++it == commandArgs.end() || isCommandLineOption(*it))
-                {
-                    notifyFatalError(replaceCpy(_("A left and a right directory path are expected after %x."), L"%x", utfTo<std::wstring>(optionDirPair)), _("Syntax error"));
-                    return;
-                }
+                    return notifyFatalError(replaceCpy(_("A left and a right directory path are expected after %x."), L"%x", utfTo<std::wstring>(optionDirPair)), _("Syntax error"));
                 dirPathPhrasePairs.back().second = *it;
             }
             else if (equalAsciiNoCase(*it, optionSendTo))
@@ -283,10 +274,7 @@ void Application::launch(const std::vector<Zstring>& commandArgs)
                     else if (fileAvailable(filePath + Zstr(".xml")))
                         filePath += Zstr(".xml");
                     else
-                    {
-                        notifyFatalError(replaceCpy(_("Cannot find file %x."), L"%x", fmtPath(filePath)), _("Error"));
-                        return;
-                    }
+                        return notifyFatalError(replaceCpy(_("Cannot find file %x."), L"%x", fmtPath(filePath)), _("Error"));
                 }
 
                 try
@@ -303,22 +291,17 @@ void Application::launch(const std::vector<Zstring>& commandArgs)
                             globalConfigFile = filePath;
                             break;
                         case XML_TYPE_OTHER:
-                            notifyFatalError(replaceCpy(_("File %x does not contain a valid configuration."), L"%x", fmtPath(filePath)), _("Error"));
-                            return;
+                            return notifyFatalError(replaceCpy(_("File %x does not contain a valid configuration."), L"%x", fmtPath(filePath)), _("Error"));
                     }
                 }
                 catch (const FileError& e)
                 {
-                    notifyFatalError(e.toString(), _("Error"));
-                    return;
+                    return notifyFatalError(e.toString(), _("Error"));
                 }
             }
 
         if (dirPathPhrasesLeft.size() != dirPathPhrasesRight.size())
-        {
-            notifyFatalError(_("Unequal number of left and right directories specified."), _("Syntax error"));
-            return;
-        }
+            return notifyFatalError(_("Unequal number of left and right directories specified."), _("Syntax error"));
 
         for (size_t i = 0; i < dirPathPhrasesLeft.size(); ++i)
             dirPathPhrasePairs.emplace_back(dirPathPhrasesLeft[i], dirPathPhrasesRight[i]);
@@ -395,8 +378,7 @@ void Application::launch(const std::vector<Zstring>& commandArgs)
             }
             catch (const FileError& e)
             {
-                notifyFatalError(e.toString(), _("Error"));
-                return;
+                return notifyFatalError(e.toString(), _("Error"));
             }
             if (!replaceDirectories(batchCfg.mainCfg))
                 return;
@@ -417,8 +399,7 @@ void Application::launch(const std::vector<Zstring>& commandArgs)
             }
             catch (const FileError& e)
             {
-                notifyFatalError(e.toString(), _("Error"));
-                return;
+                return notifyFatalError(e.toString(), _("Error"));
             }
             if (!replaceDirectories(guiCfg.mainCfg))
                 return;
@@ -432,10 +413,7 @@ void Application::launch(const std::vector<Zstring>& commandArgs)
     else
     {
         if (!dirPathPhrasePairs.empty())
-        {
-            notifyFatalError(_("Directories cannot be set for more than one configuration file."), _("Syntax error"));
-            return;
-        }
+            return notifyFatalError(_("Directories cannot be set for more than one configuration file."), _("Syntax error"));
 
         std::vector<Zstring> filePaths;
         for (const auto& [filePath, xmlType] : configFiles)
@@ -453,8 +431,7 @@ void Application::launch(const std::vector<Zstring>& commandArgs)
         }
         catch (const FileError& e)
         {
-            notifyFatalError(e.toString(), _("Error"));
-            return;
+            return notifyFatalError(e.toString(), _("Error"));
         }
         runGuiMode(globalConfigFilePath, guiCfg, filePaths, !openForEdit /*startComparison*/);
     }
@@ -518,13 +495,19 @@ void runBatchMode(const Zstring& globalConfigFilePath, const XmlBatchConfig& bat
     {
         std::wstring warningMsg;
         readConfig(globalConfigFilePath, globalCfg, warningMsg); //throw FileError
-
         assert(warningMsg.empty()); //ignore parsing errors: should be migration problems only *cross-fingers*
     }
-    catch (const FileError& e)
+    catch (FileError&)
     {
-        if (!itemNotExisting(globalConfigFilePath)) //existing or access error
+        try
+        {
+            if (itemStillExists(globalConfigFilePath)) //throw FileError
+                throw;
+        }
+        catch (const FileError& e)
+        {
             return notifyError(e.toString(), FFS_RC_ABORTED); //abort sync!
+        }
     }
 
     try
@@ -544,7 +527,7 @@ void runBatchMode(const Zstring& globalConfigFilePath, const XmlBatchConfig& bat
     //    checkForUpdatePeriodically(globalCfg.lastUpdateCheck);
     //WinInet not working when FFS is running as a service!!! https://support.microsoft.com/en-us/kb/238425
 
-    const std::map<AbstractPath, size_t>& deviceParallelOps = batchCfg.mainCfg.deviceParallelOps;
+    const std::map<AfsDevice, size_t>& deviceParallelOps = batchCfg.mainCfg.deviceParallelOps;
 
     std::set<AbstractPath> logFilePathsToKeep;
     for (const ConfigFileItem& item : globalCfg.gui.mainDlg.cfgFileHistory)
@@ -605,7 +588,7 @@ void runBatchMode(const Zstring& globalConfigFilePath, const XmlBatchConfig& bat
 
     //update last sync stats for the selected cfg file
     for (ConfigFileItem& cfi : globalCfg.gui.mainDlg.cfgFileHistory)
-        if (equalLocalPath(cfi.cfgFilePath, cfgFilePath))
+        if (equalNativePath(cfi.cfgFilePath, cfgFilePath))
         {
             if (r.finalStatus != SyncResult::ABORTED)
                 cfi.lastSyncTime = std::chrono::system_clock::to_time_t(syncStartTime);
diff --git a/FreeFileSync/Source/base/comparison.cpp b/FreeFileSync/Source/base/comparison.cpp
index ce601ac8..26c33dca 100755
--- a/FreeFileSync/Source/base/comparison.cpp
+++ b/FreeFileSync/Source/base/comparison.cpp
@@ -34,9 +34,9 @@ std::vector<FolderPairCfg> fff::extractCompareCfg(const MainConfiguration& mainC
         const SyncConfig syncCfg = lpc.localSyncCfg ? *lpc.localSyncCfg : mainCfg.syncCfg;
         NormalizedFilter filter = normalizeFilters(mainCfg.globalFilter, lpc.localFilter);
 
-        //exclude the database file(s) sync.ffs_db, sync.x64.ffs_db, etc. and lock files
+        //exclude sync.ffs_db and lock files
         //=> can't put inside fff::parallelDeviceTraversal() which is also used by versioning
-        filter.nameFilter = filter.nameFilter->copyFilterAddingExclusion(Zstring(Zstr("*")) + SYNC_DB_FILE_ENDING + Zstr("\n*") + LOCK_FILE_ENDING);
+        filter.nameFilter = filter.nameFilter.ref().copyFilterAddingExclusion(Zstring(Zstr("*")) + SYNC_DB_FILE_ENDING + Zstr("\n*") + LOCK_FILE_ENDING);
 
         output.push_back(
         {
@@ -68,7 +68,7 @@ struct ResolvedBaseFolders
 };
 
 
-ResolvedBaseFolders initializeBaseFolders(const std::vector<FolderPairCfg>& fpCfgList, const std::map<AbstractPath, size_t>& deviceParallelOps,
+ResolvedBaseFolders initializeBaseFolders(const std::vector<FolderPairCfg>& fpCfgList, const std::map<AfsDevice, size_t>& deviceParallelOps,
                                           bool allowUserInteraction,
                                           bool& warnFolderNotExisting,
                                           ProcessCallback& callback /*throw X*/)
@@ -78,25 +78,31 @@ ResolvedBaseFolders initializeBaseFolders(const std::vector<FolderPairCfg>& fpCf
 
     tryReportingError([&]
     {
-        std::set<AbstractPath> uniqueBaseFolders;
-
         //support "retry" for environment variable and variable driver letter resolution!
-        output.resolvedPairs.clear();
+        std::set<AbstractPath> baseFolders;
+        std::vector<std::pair<AbstractPath, AbstractPath>> folderPairs;
+
         for (const FolderPairCfg& fpCfg : fpCfgList)
         {
-            AbstractPath folderPathLeft  = createAbstractPath(fpCfg.folderPathPhraseLeft_);
-            AbstractPath folderPathRight = createAbstractPath(fpCfg.folderPathPhraseRight_);
+            folderPairs.emplace_back(createAbstractPath(fpCfg.folderPathPhraseLeft_),
+                                     createAbstractPath(fpCfg.folderPathPhraseRight_));
 
-            uniqueBaseFolders.insert(folderPathLeft);
-            uniqueBaseFolders.insert(folderPathRight);
-
-            output.resolvedPairs.push_back({ folderPathLeft, folderPathRight });
+            baseFolders.insert(folderPairs.back().first);
+            baseFolders.insert(folderPairs.back().second);
         }
 
-        const FolderStatus status = getFolderStatusNonBlocking(uniqueBaseFolders, deviceParallelOps, //re-check *all* directories on each try!
+        const FolderStatus status = getFolderStatusNonBlocking(baseFolders, deviceParallelOps, //re-check *all* directories on each try!
                                                                allowUserInteraction, callback); //throw X
-        output.existingBaseFolders = status.existing;
-        notExisting                = status.notExisting;
+        output.resolvedPairs.clear();
+        for (const auto& [folderPathL, folderPathR] : folderPairs)
+            output.resolvedPairs.push_back({ getNormalizedPath(status, folderPathL), getNormalizedPath(status, folderPathR)});
+
+        output.existingBaseFolders.clear();
+        for (const AbstractPath& folderPath : status.existing)
+            output.existingBaseFolders.insert(getNormalizedPath(status, folderPath));
+
+        notExisting = status.notExisting;
+
         if (!status.failedChecks.empty())
         {
             std::wstring msg = _("Cannot find the following folders:") + L"\n";
@@ -134,7 +140,7 @@ class ComparisonBuffer
 {
 public:
     ComparisonBuffer(const std::set<DirectoryKey>& foldersToRead,
-                     const std::map<AbstractPath, size_t>& deviceParallelOps,
+                     const std::map<AfsDevice, size_t>& deviceParallelOps,
                      int fileTimeTolerance,
                      ProcessCallback& callback);
 
@@ -155,12 +161,12 @@ private:
     std::map<DirectoryKey, DirectoryValue> directoryBuffer_; //contains only *existing* directories
     const int fileTimeTolerance_;
     ProcessCallback& cb_;
-    const std::map<AbstractPath, size_t> deviceParallelOps_;
+    const std::map<AfsDevice, size_t> deviceParallelOps_;
 };
 
 
 ComparisonBuffer::ComparisonBuffer(const std::set<DirectoryKey>& foldersToRead,
-                                   const std::map<AbstractPath, size_t>& deviceParallelOps,
+                                   const std::map<AfsDevice, size_t>& deviceParallelOps,
                                    int fileTimeTolerance,
                                    ProcessCallback& callback) :
     fileTimeTolerance_(fileTimeTolerance), cb_(callback), deviceParallelOps_(deviceParallelOps)
@@ -248,6 +254,12 @@ Zstringw getDescrDiffMetaDate(const FileOrLinkPair& file)
                                   arrowRight + L" " + _("Date:") + L" " + formatUtcToLocalTime(file.template getLastWriteTime<RIGHT_SIDE>()));
 }
 
+
+Zstringw getConflictAmbiguousItemName(const Zstring& itemName)
+{
+    return copyStringTo<Zstringw>(replaceCpy(_("The name %x is used by more than one item in the folder."), L"%x", fmtPath(itemName)));
+}
+
 //-----------------------------------------------------------------------------
 
 void categorizeSymlinkByTime(SymlinkPair& symlink)
@@ -261,7 +273,7 @@ void categorizeSymlinkByTime(SymlinkPair& symlink)
             //1. SYMLINK_EQUAL may only be set if short names match in case: InSyncFolder's mapping tables use short name as a key! see db_file.cpp
             //2. harmonize with "bool stillInSync()" in algorithm.cpp
 
-            if (getUnicodeNormalForm(symlink.getItemName<LEFT_SIDE >()) ==
+            if (getUnicodeNormalForm(symlink.getItemName< LEFT_SIDE>()) ==
                 getUnicodeNormalForm(symlink.getItemName<RIGHT_SIDE>()))
                 symlink.setCategory<FILE_EQUAL>();
             else
@@ -311,7 +323,7 @@ std::shared_ptr<BaseFolderPair> ComparisonBuffer::compareByTimeSize(const Resolv
                 //3. harmonize with "bool stillInSync()" in algorithm.cpp, FilePair::setSyncedTo() in file_hierarchy.h
                 if (file->getFileSize<LEFT_SIDE>() == file->getFileSize<RIGHT_SIDE>())
                 {
-                    if (getUnicodeNormalForm(file->getItemName<LEFT_SIDE >()) ==
+                    if (getUnicodeNormalForm(file->getItemName< LEFT_SIDE>()) ==
                         getUnicodeNormalForm(file->getItemName<RIGHT_SIDE>()))
                         file->setCategory<FILE_EQUAL>();
                     else
@@ -369,7 +381,7 @@ void categorizeSymlinkByContent(SymlinkPair& symlink, ProcessCallback& callback)
             //2. harmonize with "bool stillInSync()" in algorithm.cpp, FilePair::setSyncedTo() in file_hierarchy.h
 
             //symlinks have same "content"
-            if (getUnicodeNormalForm(symlink.getItemName<LEFT_SIDE >()) !=
+            if (getUnicodeNormalForm(symlink.getItemName< LEFT_SIDE>()) !=
                 getUnicodeNormalForm(symlink.getItemName<RIGHT_SIDE>()))
                 symlink.setCategoryDiffMetadata(getDescrDiffMetaShortnameCase(symlink));
             //else if (!sameFileTime(symlink.getLastWriteTime<LEFT_SIDE>(),
@@ -450,7 +462,7 @@ void categorizeFileByContent(FilePair& file, const std::wstring& txtComparingCon
             interruptionPoint(); //throw ThreadInterruption
         };
 
-        haveSameContent = parallel::filesHaveSameContent(file.getAbstractPath<LEFT_SIDE >(),
+        haveSameContent = parallel::filesHaveSameContent(file.getAbstractPath< LEFT_SIDE>(),
                                                          file.getAbstractPath<RIGHT_SIDE>(), notifyUnbufferedIO, singleThread); //throw FileError
         statReporter.reportDelta(1, 0);
     }, acb); //throw ThreadInterruption
@@ -491,7 +503,7 @@ std::list<std::shared_ptr<BaseFolderPair>> ComparisonBuffer::compareByContent(co
         size_t effectiveMax = 0; //a folder pair is allowed to use the maximum parallelOps that left/right devices support
         //                          => consider max over all folder pairs, that a device is involved with!
     };
-    std::map<AbstractPath, ParallelOps> parallelOpsStatus;
+    std::map<AfsDevice, ParallelOps> parallelOpsStatus;
 
     struct BinaryWorkload
     {
@@ -503,15 +515,12 @@ std::list<std::shared_ptr<BaseFolderPair>> ComparisonBuffer::compareByContent(co
 
     auto addToBinaryWorkload = [&](const AbstractPath& basePathL, const AbstractPath& basePathR, RingBuffer<FilePair*>&& filesToCompareBytewise)
     {
-        const AbstractPath rootPathL = AFS::getRootPath(basePathL);
-        const AbstractPath rootPathR = AFS::getRootPath(basePathR);
-
         //calculate effective max parallelOps that devices must support
-        const size_t parallelOpsFp = std::max(getDeviceParallelOps(deviceParallelOps_, rootPathL),
-                                              getDeviceParallelOps(deviceParallelOps_, rootPathR));
+        const size_t parallelOpsFp = std::max(getDeviceParallelOps(deviceParallelOps_, basePathL.afsDevice),
+                                              getDeviceParallelOps(deviceParallelOps_, basePathR.afsDevice));
 
-        ParallelOps& posL = parallelOpsStatus[rootPathL];
-        ParallelOps& posR = parallelOpsStatus[rootPathR];
+        ParallelOps& posL = parallelOpsStatus[basePathL.afsDevice];
+        ParallelOps& posR = parallelOpsStatus[basePathR.afsDevice];
 
         posL.effectiveMax = std::max(posL.effectiveMax, parallelOpsFp);
         posR.effectiveMax = std::max(posR.effectiveMax, parallelOpsFp);
@@ -548,7 +557,7 @@ std::list<std::shared_ptr<BaseFolderPair>> ComparisonBuffer::compareByContent(co
                     filesToCompareBytewise.push_back(file);
             }
         if (!filesToCompareBytewise.empty())
-            addToBinaryWorkload(output.back()->getAbstractPath<LEFT_SIDE >(),
+            addToBinaryWorkload(output.back()->getAbstractPath< LEFT_SIDE>(),
                                 output.back()->getAbstractPath<RIGHT_SIDE>(), std::move(filesToCompareBytewise));
 
         //finish symlink categorization
@@ -591,9 +600,7 @@ std::list<std::shared_ptr<BaseFolderPair>> ComparisonBuffer::compareByContent(co
                 ParallelOps& posL = bwl.parallelOpsL;
                 ParallelOps& posR = bwl.parallelOpsR;
 
-                const size_t newTaskCount = numeric::min<size_t>(posL.effectiveMax - posL.current,
-                                                                 posR.effectiveMax - posR.current,
-                                                                 bwl.filesToCompareBytewise.size());
+                const size_t newTaskCount = std::min<size_t>({ posL.effectiveMax - posL.current, posR.effectiveMax - posR.current, bwl.filesToCompareBytewise.size() });
                 if (&posL != &posR) posL.current += newTaskCount; //
                 /**/                posR.current += newTaskCount; //consider aliasing!
 
@@ -721,7 +728,7 @@ void matchFolders(const MapType& mapLeft, const MapType& mapRight, ProcessLeftOn
 {
     struct FileRef
     {
-        Zstring normalName; //buffer expensive makeUpperCopy() calls!!
+        Zstring upperCaseName; //buffer expensive makeUpperCopy() calls!!
         const typename MapType::value_type* ref;
         bool leftSide;
     };
@@ -731,20 +738,9 @@ void matchFolders(const MapType& mapLeft, const MapType& mapRight, ProcessLeftOn
     for (const auto& item : mapLeft ) fileList.push_back({ makeUpperCopy(item.first), &item, true });
     for (const auto& item : mapRight) fileList.push_back({ makeUpperCopy(item.first), &item, false });
 
-    std::sort(fileList.begin(), fileList.end(), [&](const FileRef& lhs, const FileRef& rhs)
-    {
-        int rv = compareString(lhs.normalName, rhs.normalName);
-        if (rv != 0)
-            return rv < 0; //primary sort key: ignore unicode normal form and case
-
-        //perf: sorting by secondary/tertiary key here costs about 7% additional runtime
-        rv = compareString(getUnicodeNormalForm(lhs.ref->first), getUnicodeNormalForm(rhs.ref->first));
-        if (rv != 0)
-            return rv < 0; //secondary sort key: ignore unicode normal
-
-        return lhs.ref->first < rhs.ref->first; //tertiary sort key: raw string value
-    });
+    //primary sort: ignore unicode normal form and case
     //bonus: natural default sequence on file guid UI
+    std::sort(fileList.begin(), fileList.end(), [](const FileRef& lhs, const FileRef& rhs) { return lhs.upperCaseName < rhs.upperCaseName; });
 
     auto tryMatchRange = [&](auto it, auto itLast)
     {
@@ -758,11 +754,11 @@ void matchFolders(const MapType& mapLeft, const MapType& mapRight, ProcessLeftOn
             else
                 bo(*it[1].ref, *it[0].ref);
         }
-        else if (equalCountL == 0) //no match
-            std::for_each(it, itLast, [&](const FileRef& fr) { ro(*fr.ref); });
-        else if (equalCountR == 0) //no match
-            std::for_each(it, itLast, [&](const FileRef& fr) { lo(*fr.ref); });
-        else //ambiguous
+        else if (equalCountL == 1 && equalCountR == 0)
+            lo(*it->ref, nullptr);
+        else if (equalCountL == 0 && equalCountR == 1)
+            ro(*it->ref, nullptr);
+        else //ambiguous (yes, even if one side only, e.g. different Unicode normalization forms)
             return false;
         return true;
     };
@@ -770,29 +766,30 @@ void matchFolders(const MapType& mapLeft, const MapType& mapRight, ProcessLeftOn
     for (auto it = fileList.begin(); it != fileList.end();)
     {
         //find equal range: ignore case, ignore Unicode normalization
-        auto itEndEq = std::find_if(it + 1, fileList.end(), [&](const FileRef& fr) { return fr.normalName != it->normalName; });
+        auto itEndEq = std::find_if(it + 1, fileList.end(), [&](const FileRef& fr) { return fr.upperCaseName != it->upperCaseName; });
         if (!tryMatchRange(it, itEndEq))
+        {
+            //secondary sort: respect case, ignore unicode normal forms
+            std::sort(it, itEndEq, [](const FileRef& lhs, const FileRef& rhs) { return getUnicodeNormalForm(lhs.ref->first) < getUnicodeNormalForm(rhs.ref->first); });
+
             for (auto itCase = it; itCase != itEndEq;)
             {
                 //find equal range: respect case, ignore Unicode normalization
                 auto itEndCase = std::find_if(itCase + 1, itEndEq, [&](const FileRef& fr) { return getUnicodeNormalForm(fr.ref->first) != getUnicodeNormalForm(itCase->ref->first); });
                 if (!tryMatchRange(itCase, itEndCase))
-                    for (auto itRaw = itCase; itRaw != itEndCase;)
+                {
+                    const Zstringw& conflictMsg = getConflictAmbiguousItemName(itCase->ref->first);
+                    std::for_each(itCase, itEndCase, [&](const FileRef& fr)
                     {
-                        //find equal range: respect case, respect Unicode normalization
-                        auto itEndRaw = std::find_if(itRaw + 1, itEndCase, [&](const FileRef& fr) { return fr.ref->first != itRaw->ref->first; });
-                        if (!tryMatchRange(itRaw, itEndRaw))
-                            std::for_each(itRaw, itEndRaw, [&](const FileRef& fr)
-                        {
-                            if (fr.leftSide)
-                                lo(*fr.ref);
-                            else
-                                ro(*fr.ref);
-                        });
-                        itRaw = itEndRaw;
-                    }
+                        if (fr.leftSide)
+                            lo(*fr.ref, &conflictMsg);
+                        else
+                            ro(*fr.ref, &conflictMsg);
+                    });
+                }
                 itCase = itEndCase;
             }
+        }
         it = itEndEq;
     }
 }
@@ -802,11 +799,17 @@ void MergeSides::mergeTwoSides(const FolderContainer& lhs, const FolderContainer
 {
     using FileData = FolderContainer::FileList::value_type;
 
-    matchFolders(lhs.files, rhs.files,
-    [&](const FileData& fileLeft ) { FilePair& newItem = output.addSubFile< LEFT_SIDE>(fileLeft .first, fileLeft .second); checkFailedRead(newItem, errorMsg); }, //left only
-    [&](const FileData& fileRight) { FilePair& newItem = output.addSubFile<RIGHT_SIDE>(fileRight.first, fileRight.second); checkFailedRead(newItem, errorMsg); }, //right only
-
-    [&](const FileData& fileLeft, const FileData& fileRight) //both sides
+    matchFolders(lhs.files, rhs.files, [&](const FileData& fileLeft, const Zstringw* conflictMsg)
+    {
+        FilePair& newItem = output.addSubFile< LEFT_SIDE>(fileLeft .first, fileLeft .second);
+        checkFailedRead(newItem, conflictMsg ? conflictMsg : errorMsg);
+    },
+    [&](const FileData& fileRight, const Zstringw* conflictMsg)
+    {
+        FilePair& newItem = output.addSubFile<RIGHT_SIDE>(fileRight.first, fileRight.second);
+        checkFailedRead(newItem, conflictMsg ? conflictMsg : errorMsg);
+    },
+    [&](const FileData& fileLeft, const FileData& fileRight)
     {
         FilePair& newItem = output.addSubFile(fileLeft.first,
                                               fileLeft.second,
@@ -821,10 +824,16 @@ void MergeSides::mergeTwoSides(const FolderContainer& lhs, const FolderContainer
     //-----------------------------------------------------------------------------------------------
     using SymlinkData = FolderContainer::SymlinkList::value_type;
 
-    matchFolders(lhs.symlinks, rhs.symlinks,
-    [&](const SymlinkData& symlinkLeft ) { SymlinkPair& newItem = output.addSubLink< LEFT_SIDE>(symlinkLeft .first, symlinkLeft .second); checkFailedRead(newItem, errorMsg); }, //left only
-    [&](const SymlinkData& symlinkRight) { SymlinkPair& newItem = output.addSubLink<RIGHT_SIDE>(symlinkRight.first, symlinkRight.second); checkFailedRead(newItem, errorMsg); }, //right only
-
+    matchFolders(lhs.symlinks, rhs.symlinks, [&](const SymlinkData& symlinkLeft, const Zstringw* conflictMsg)
+    {
+        SymlinkPair& newItem = output.addSubLink< LEFT_SIDE>(symlinkLeft .first, symlinkLeft .second);
+        checkFailedRead(newItem, conflictMsg ? conflictMsg : errorMsg);
+    },
+    [&](const SymlinkData& symlinkRight, const Zstringw* conflictMsg)
+    {
+        SymlinkPair& newItem = output.addSubLink<RIGHT_SIDE>(symlinkRight.first, symlinkRight.second);
+        checkFailedRead(newItem, conflictMsg ? conflictMsg : errorMsg);
+    },
     [&](const SymlinkData& symlinkLeft, const SymlinkData& symlinkRight) //both sides
     {
         SymlinkPair& newItem = output.addSubLink(symlinkLeft.first,
@@ -839,21 +848,19 @@ void MergeSides::mergeTwoSides(const FolderContainer& lhs, const FolderContainer
     //-----------------------------------------------------------------------------------------------
     using FolderData = FolderContainer::FolderList::value_type;
 
-    matchFolders(lhs.folders, rhs.folders,
-                 [&](const FolderData& dirLeft) //left only
+    matchFolders(lhs.folders, rhs.folders, [&](const FolderData& dirLeft, const Zstringw* conflictMsg)
     {
         FolderPair& newFolder = output.addSubFolder<LEFT_SIDE>(dirLeft.first, dirLeft.second.first);
-        const Zstringw* errorMsgNew = checkFailedRead(newFolder, errorMsg);
+        const Zstringw* errorMsgNew = checkFailedRead(newFolder, conflictMsg ? conflictMsg : errorMsg);
         this->fillOneSide<LEFT_SIDE>(dirLeft.second.second, errorMsgNew, newFolder); //recurse
     },
-    [&](const FolderData& dirRight) //right only
+    [&](const FolderData& dirRight, const Zstringw* conflictMsg)
     {
         FolderPair& newFolder = output.addSubFolder<RIGHT_SIDE>(dirRight.first, dirRight.second.first);
-        const Zstringw* errorMsgNew = checkFailedRead(newFolder, errorMsg);
+        const Zstringw* errorMsgNew = checkFailedRead(newFolder, conflictMsg ? conflictMsg : errorMsg);
         this->fillOneSide<RIGHT_SIDE>(dirRight.second.second, errorMsgNew, newFolder); //recurse
     },
-
-    [&](const FolderData& dirLeft, const FolderData& dirRight) //both sides
+    [&](const FolderData& dirLeft, const FolderData& dirRight)
     {
         FolderPair& newFolder = output.addSubFolder(dirLeft.first, dirLeft.second.first, DIR_EQUAL, dirRight.first, dirRight.second.first);
         const Zstringw* errorMsgNew = checkFailedRead(newFolder, errorMsg);
@@ -870,7 +877,7 @@ void MergeSides::mergeTwoSides(const FolderContainer& lhs, const FolderContainer
 //-----------------------------------------------------------------------------------------------
 
 //uncheck excluded directories (see parallelDeviceTraversal()) + remove superfluous excluded subdirectories
-void stripExcludedDirectories(ContainerObject& hierObj, const HardFilter& filterProc)
+void stripExcludedDirectories(ContainerObject& hierObj, const PathFilter& filterProc)
 {
     for (FolderPair& folder : hierObj.refSubFolders())
         stripExcludedDirectories(folder, filterProc);
@@ -942,7 +949,7 @@ std::shared_ptr<BaseFolderPair> ComparisonBuffer::performComparison(const Resolv
                                                                               bufValueLeft != nullptr, //dir existence must be checked only once: available iff buffer entry exists!
                                                                               fp.folderPathRight,
                                                                               bufValueRight != nullptr,
-                                                                              fpCfg.filter.nameFilter->copyFilterAddingExclusion(excludefilterFailedRead),
+                                                                              fpCfg.filter.nameFilter.ref().copyFilterAddingExclusion(excludefilterFailedRead),
                                                                               fpCfg.compareVar,
                                                                               fileTimeTolerance_,
                                                                               fpCfg.ignoreTimeShiftMinutes);
@@ -957,8 +964,8 @@ std::shared_ptr<BaseFolderPair> ComparisonBuffer::performComparison(const Resolv
     //NOTE: we need to finish de-activating rows BEFORE binary comparison is run so that it can skip them!
 
     //attention: some excluded directories are still in the comparison result! (see include filter handling!)
-    if (!fpCfg.filter.nameFilter->isNull())
-        stripExcludedDirectories(*output, *fpCfg.filter.nameFilter); //mark excluded directories (see parallelDeviceTraversal()) + remove superfluous excluded subdirectories
+    if (!fpCfg.filter.nameFilter.ref().isNull())
+        stripExcludedDirectories(*output, fpCfg.filter.nameFilter.ref()); //mark excluded directories (see parallelDeviceTraversal()) + remove superfluous excluded subdirectories
 
     //apply soft filtering (hard filter already applied during traversal!)
     addSoftFiltering(*output, fpCfg.filter.timeSizeFilter);
@@ -1007,7 +1014,7 @@ FolderComparison fff::compare(WarningDialogs& warnings,
                               bool createDirLocks,
                               std::unique_ptr<LockHolder>& dirLocks,
                               const std::vector<FolderPairCfg>& fpCfgList,
-                              const std::map<AbstractPath, size_t>& deviceParallelOps,
+                              const std::map<AfsDevice, size_t>& deviceParallelOps,
                               ProcessCallback& callback)
 {
     //PERF_START;
@@ -1078,8 +1085,8 @@ FolderComparison fff::compare(WarningDialogs& warnings,
         std::wstring msg;
 
         for (const auto& [folderPair, fpCfg] : workLoad)
-            if (std::optional<PathDependency> pd = getPathDependency(folderPair.folderPathLeft,  *fpCfg.filter.nameFilter,
-                                                                     folderPair.folderPathRight, *fpCfg.filter.nameFilter))
+            if (std::optional<PathDependency> pd = getPathDependency(folderPair.folderPathLeft,  fpCfg.filter.nameFilter.ref(),
+                                                                     folderPair.folderPathRight, fpCfg.filter.nameFilter.ref()))
             {
                 msg += L"\n\n" +
                        AFS::getDisplayPath(folderPair.folderPathLeft) + L"\n" +
@@ -1098,12 +1105,12 @@ FolderComparison fff::compare(WarningDialogs& warnings,
     //lock (existing) directories before comparison
     if (createDirLocks)
     {
-        std::set<Zstring, LessFilePath> dirPathsExisting;
+        std::set<Zstring> folderPathsToLock;
         for (const AbstractPath& folderPath : resInfo.existingBaseFolders)
             if (std::optional<Zstring> nativePath = AFS::getNativeItemPath(folderPath)) //restrict directory locking to native paths until further
-                dirPathsExisting.insert(*nativePath);
+                folderPathsToLock.insert(*nativePath);
 
-        dirLocks = std::make_unique<LockHolder>(dirPathsExisting, warnings.warnDirectoryLockFailed, callback);
+        dirLocks = std::make_unique<LockHolder>(folderPathsToLock, warnings.warnDirectoryLockFailed, callback);
     }
 
     try
diff --git a/FreeFileSync/Source/base/comparison.h b/FreeFileSync/Source/base/comparison.h
index b956019b..82e73637 100755
--- a/FreeFileSync/Source/base/comparison.h
+++ b/FreeFileSync/Source/base/comparison.h
@@ -58,7 +58,7 @@ FolderComparison compare(WarningDialogs& warnings,
                          bool createDirLocks,
                          std::unique_ptr<LockHolder>& dirLocks, //out
                          const std::vector<FolderPairCfg>& fpCfgList,
-                         const std::map<AbstractPath, size_t>& deviceParallelOps,
+                         const std::map<AfsDevice, size_t>& deviceParallelOps,
                          ProcessCallback& callback);
 }
 
diff --git a/FreeFileSync/Source/base/db_file.cpp b/FreeFileSync/Source/base/db_file.cpp
index 2dc88402..3f06a197 100755
--- a/FreeFileSync/Source/base/db_file.cpp
+++ b/FreeFileSync/Source/base/db_file.cpp
@@ -141,7 +141,7 @@ DbStreams loadStreams(const AbstractPath& dbPath, const IOCallback& notifyUnbuff
     catch (FileError&)
     {
         bool dbNotYetExisting = false;
-        try { dbNotYetExisting = !AFS::getItemTypeIfExists(dbPath); /*throw FileError*/ }
+        try { dbNotYetExisting = !AFS::itemStillExists(dbPath); /*throw FileError*/ }
         catch (FileError&) {} //previous exception is more relevant
 
         if (dbNotYetExisting) //throw FileError
@@ -546,7 +546,7 @@ public:
     }
 
 private:
-    LastSynchronousStateUpdater(CompareVariant activeCmpVar, const HardFilter& filter) :
+    LastSynchronousStateUpdater(CompareVariant activeCmpVar, const PathFilter& filter) :
         filter_(filter),
         activeCmpVar_(activeCmpVar) {}
 
@@ -562,15 +562,15 @@ private:
     {
         //C++17's map::try_emplace() is faster than map::emplace() if key is already existing
         auto rv = map.try_emplace(key, std::forward<V>(value)); //and does NOT MOVE r-value arguments unlike map::emplace()!
-        if (rv.second)
-            return rv.first->second;
+        if (!rv.second)
+            rv.first->second = std::forward<V>(value);
 
-        return rv.first->second = std::forward<V>(value);
+        return rv.first->second;
     }
 
     void process(const ContainerObject::FileList& currentFiles, const Zstring& parentRelPath, InSyncFolder::FileList& dbFiles)
     {
-        std::unordered_set<const InSyncFile*> toPreserve; //referencing fixed-in-memory std::map elements
+        std::set<Zstring, LessUnicodeNormal> toPreserve;
 
         for (const FilePair& file : currentFiles)
             if (!file.isPairEmpty())
@@ -584,30 +584,29 @@ private:
                     assert(file.getFileSize<LEFT_SIDE>() == file.getFileSize<RIGHT_SIDE>());
 
                     //create or update new "in-sync" state
-                    InSyncFile& dbFile = mapAddOrUpdate(dbFiles, file.getItemNameAny(),
-                                                        InSyncFile(InSyncDescrFile(file.getLastWriteTime< LEFT_SIDE>(),
-                                                                                   file.getFileId       < LEFT_SIDE>()),
-                                                                   InSyncDescrFile(file.getLastWriteTime<RIGHT_SIDE>(),
-                                                                                   file.getFileId       <RIGHT_SIDE>()),
-                                                                   activeCmpVar_,
-                                                                   file.getFileSize<LEFT_SIDE>()));
-                    toPreserve.insert(&dbFile);
+                    mapAddOrUpdate(dbFiles, file.getItemNameAny(),
+                                   InSyncFile(InSyncDescrFile(file.getLastWriteTime< LEFT_SIDE>(),
+                                                              file.getFileId       < LEFT_SIDE>()),
+                                              InSyncDescrFile(file.getLastWriteTime<RIGHT_SIDE>(),
+                                                              file.getFileId       <RIGHT_SIDE>()),
+                                              activeCmpVar_,
+                                              file.getFileSize<LEFT_SIDE>()));
+                    toPreserve.insert(file.getItemNameAny());
                 }
                 else //not in sync: preserve last synchronous state
                 {
-                    auto it = dbFiles.find(file.getItemNameAny());
-                    if (it != dbFiles.end())
-                        toPreserve.insert(&it->second);
+                    toPreserve.insert(file.getItemName< LEFT_SIDE>()); //left/right may differ in case!
+                    toPreserve.insert(file.getItemName<RIGHT_SIDE>()); //
                 }
             }
 
         //delete removed items (= "in-sync") from database
-        erase_if(dbFiles, [&](const InSyncFolder::FileList::value_type& v) -> bool
+        eraseIf(dbFiles, [&](const InSyncFolder::FileList::value_type& v) -> bool
         {
-            if (toPreserve.find(&v.second) != toPreserve.end())
+            if (toPreserve.find(v.first) != toPreserve.end())
                 return false;
             //all items not existing in "currentFiles" have either been deleted meanwhile or been excluded via filter:
-            const Zstring& itemRelPath = AFS::appendPaths(parentRelPath, v.first, FILE_NAME_SEPARATOR);
+            const Zstring& itemRelPath = nativeAppendPaths(parentRelPath, v.first);
             return filter_.passFileFilter(itemRelPath);
             //note: items subject to traveral errors are also excluded by this file filter here! see comparison.cpp, modified file filter for read errors
         });
@@ -615,7 +614,7 @@ private:
 
     void process(const ContainerObject::SymlinkList& currentSymlinks, const Zstring& parentRelPath, InSyncFolder::SymlinkList& dbSymlinks)
     {
-        std::unordered_set<const InSyncSymlink*> toPreserve;
+        std::set<Zstring, LessUnicodeNormal> toPreserve;
 
         for (const SymlinkPair& symlink : currentSymlinks)
             if (!symlink.isPairEmpty())
@@ -625,27 +624,26 @@ private:
                     assert(getUnicodeNormalForm(symlink.getItemName<LEFT_SIDE>()) == getUnicodeNormalForm(symlink.getItemName<RIGHT_SIDE>()));
 
                     //create or update new "in-sync" state
-                    InSyncSymlink& dbSymlink = mapAddOrUpdate(dbSymlinks, symlink.getItemNameAny(),
-                                                              InSyncSymlink(InSyncDescrLink(symlink.getLastWriteTime<LEFT_SIDE>()),
-                                                                            InSyncDescrLink(symlink.getLastWriteTime<RIGHT_SIDE>()),
-                                                                            activeCmpVar_));
-                    toPreserve.insert(&dbSymlink);
+                    mapAddOrUpdate(dbSymlinks, symlink.getItemNameAny(),
+                                   InSyncSymlink(InSyncDescrLink(symlink.getLastWriteTime< LEFT_SIDE>()),
+                                                 InSyncDescrLink(symlink.getLastWriteTime<RIGHT_SIDE>()),
+                                                 activeCmpVar_));
+                    toPreserve.insert(symlink.getItemNameAny());
                 }
                 else //not in sync: preserve last synchronous state
                 {
-                    auto it = dbSymlinks.find(symlink.getItemNameAny());
-                    if (it != dbSymlinks.end())
-                        toPreserve.insert(&it->second);
+                    toPreserve.insert(symlink.getItemName< LEFT_SIDE>()); //left/right may differ in case!
+                    toPreserve.insert(symlink.getItemName<RIGHT_SIDE>()); //
                 }
             }
 
         //delete removed items (= "in-sync") from database
-        erase_if(dbSymlinks, [&](const InSyncFolder::SymlinkList::value_type& v) -> bool
+        eraseIf(dbSymlinks, [&](const InSyncFolder::SymlinkList::value_type& v) -> bool
         {
-            if (toPreserve.find(&v.second) != toPreserve.end())
+            if (toPreserve.find(v.first) != toPreserve.end())
                 return false;
             //all items not existing in "currentSymlinks" have either been deleted meanwhile or been excluded via filter:
-            const Zstring& itemRelPath = AFS::appendPaths(parentRelPath, v.first, FILE_NAME_SEPARATOR);
+            const Zstring& itemRelPath = nativeAppendPaths(parentRelPath, v.first);
             return filter_.passFileFilter(itemRelPath);
         });
     }
@@ -656,59 +654,45 @@ private:
 
         for (const FolderPair& folder : currentFolders)
             if (!folder.isPairEmpty())
-                switch (folder.getDirCategory())
+            {
+                if (folder.getDirCategory() == DIR_EQUAL)
                 {
-                    case DIR_EQUAL:
-                    {
-                        assert(getUnicodeNormalForm(folder.getItemName<LEFT_SIDE>()) == getUnicodeNormalForm(folder.getItemName<RIGHT_SIDE>()));
-
-                        //update directory entry only (shallow), but do *not touch* exising child elements!!!
-                        const Zstring& key = folder.getItemNameAny();
-                        auto insertResult = dbFolders.emplace(key, InSyncFolder(InSyncFolder::DIR_STATUS_IN_SYNC)); //get or create
-                        auto it = insertResult.first;
-
-                        InSyncFolder& dbFolder = it->second;
-                        dbFolder.status = InSyncFolder::DIR_STATUS_IN_SYNC; //update immediate directory entry
-                        toPreserve.insert(&dbFolder);
-                        recurse(folder, dbFolder);
-                    }
-                    break;
-
-                    case DIR_CONFLICT:
-                    case DIR_DIFFERENT_METADATA:
-                        //if DIR_DIFFERENT_METADATA and no old database entry yet: we have to insert a placeholder database entry:
-                        //we cannot simply skip the whole directory, since sub-items might be in sync!
-                        //Example: directories on left and right differ in case while sub-files are equal
-                    {
-                        //reuse last "in-sync" if available or insert strawman entry (do not try to update and thereby remove child elements!!!)
-                        InSyncFolder& dbFolder = dbFolders.emplace(folder.getItemNameAny(), InSyncFolder(InSyncFolder::DIR_STATUS_STRAW_MAN)).first->second;
-                        toPreserve.insert(&dbFolder);
-                        recurse(folder, dbFolder); //unconditional recursion without filter check! => no problem since "childItemMightMatch" is optional!!!
-                    }
-                    break;
-
-                    //not in sync: reuse last synchronous state:
-                    case DIR_LEFT_SIDE_ONLY:
-                    case DIR_RIGHT_SIDE_ONLY:
+                    assert(getUnicodeNormalForm(folder.getItemName<LEFT_SIDE>()) == getUnicodeNormalForm(folder.getItemName<RIGHT_SIDE>()));
+
+                    //update directory entry only (shallow), but do *not touch* exising child elements!!!
+                    InSyncFolder& dbFolder = dbFolders.emplace(folder.getItemNameAny(), InSyncFolder(InSyncFolder::DIR_STATUS_IN_SYNC)).first->second; //get or create
+                    dbFolder.status = InSyncFolder::DIR_STATUS_IN_SYNC; //update immediate directory entry
+
+                    toPreserve.insert(&dbFolder);
+                    recurse(folder, dbFolder);
+                }
+                else //not in sync: preserve last synchronous state
+                {
+                    auto preserveDbEntry = [&](const Zstring& folderName)
                     {
-                        auto it = dbFolders.find(folder.getItemNameAny());
+                        auto it = dbFolders.find(folderName);
                         if (it != dbFolders.end())
                         {
                             toPreserve.insert(&it->second);
-                            recurse(folder, it->second); //although existing sub-items cannot be in sync, items deleted on both sides *are* in-sync!!!
+                            recurse(folder, it->second); //required: existing child-items may not be in sync, but items deleted on both sides *are* in-sync!!!
                         }
-                    }
-                    break;
+                    };
+                    preserveDbEntry(folder.getItemName<LEFT_SIDE>());
+
+                    //folder match with names differing in case? => treat like any other folder rename => no *new* database entries even if child items are in sync
+                    if (getUnicodeNormalForm(folder.getItemName<LEFT_SIDE>()) != getUnicodeNormalForm(folder.getItemName<RIGHT_SIDE>()))
+                        preserveDbEntry(folder.getItemName<RIGHT_SIDE>());
                 }
+            }
 
         //delete removed items (= "in-sync") from database
-        erase_if(dbFolders, [&](InSyncFolder::FolderList::value_type& v) -> bool
+        eraseIf(dbFolders, [&](InSyncFolder::FolderList::value_type& v) -> bool
         {
             if (toPreserve.find(&v.second) != toPreserve.end())
                 return false;
 
-            const Zstring& itemRelPath = AFS::appendPaths(parentRelPath, v.first, FILE_NAME_SEPARATOR);
-            //if directory is not included in "currentDirs", it is either not existing anymore, in which case it should be deleted from database
+            const Zstring& itemRelPath = nativeAppendPaths(parentRelPath, v.first);
+            //if folder is not included in "current folders", it is either not existing anymore, in which case it should be deleted from database
             //or it was excluded via filter and the database entry should be preserved
 
             bool childItemMightMatch = true;
@@ -722,10 +706,10 @@ private:
     //delete all entries for removed folder (= "in-sync") from database
     void dbSetEmptyState(InSyncFolder& dbFolder, const Zstring& parentRelPathPf)
     {
-        erase_if(dbFolder.files,    [&](const InSyncFolder::FileList   ::value_type& v) { return filter_.passFileFilter(parentRelPathPf + v.first); });
-        erase_if(dbFolder.symlinks, [&](const InSyncFolder::SymlinkList::value_type& v) { return filter_.passFileFilter(parentRelPathPf + v.first); });
+        eraseIf(dbFolder.files,    [&](const InSyncFolder::FileList   ::value_type& v) { return filter_.passFileFilter(parentRelPathPf + v.first); });
+        eraseIf(dbFolder.symlinks, [&](const InSyncFolder::SymlinkList::value_type& v) { return filter_.passFileFilter(parentRelPathPf + v.first); });
 
-        erase_if(dbFolder.folders, [&](InSyncFolder::FolderList::value_type& v)
+        eraseIf(dbFolder.folders, [&](InSyncFolder::FolderList::value_type& v)
         {
             const Zstring& itemRelPath = parentRelPathPf + v.first;
 
@@ -737,7 +721,7 @@ private:
         });
     }
 
-    const HardFilter& filter_; //filter used while scanning directory: generates view on actual files!
+    const PathFilter& filter_; //filter used while scanning directory: generates view on actual files!
     const CompareVariant activeCmpVar_;
 };
 
diff --git a/FreeFileSync/Source/base/db_file.h b/FreeFileSync/Source/base/db_file.h
index ebbb0c01..c0d1b390 100755
--- a/FreeFileSync/Source/base/db_file.h
+++ b/FreeFileSync/Source/base/db_file.h
@@ -58,16 +58,16 @@ struct InSyncFolder
     enum InSyncStatus
     {
         DIR_STATUS_IN_SYNC,
-        DIR_STATUS_STRAW_MAN //there is no last synchronous state, but used as container only
+        DIR_STATUS_STRAW_MAN //no last synchronous state, but used as container only
     };
     InSyncFolder(InSyncStatus statusIn) : status(statusIn) {}
 
     InSyncStatus status = DIR_STATUS_STRAW_MAN;
 
     //------------------------------------------------------------------
-    using FolderList  = std::map<Zstring, InSyncFolder,  LessFilePath>; //
-    using FileList    = std::map<Zstring, InSyncFile,    LessFilePath>; // key: file name
-    using SymlinkList = std::map<Zstring, InSyncSymlink, LessFilePath>; //
+    using FolderList  = std::map<Zstring, InSyncFolder,  LessUnicodeNormal>; //
+    using FileList    = std::map<Zstring, InSyncFile,    LessUnicodeNormal>; // key: file name (ignoring Unicode normal forms)
+    using SymlinkList = std::map<Zstring, InSyncSymlink, LessUnicodeNormal>; //
     //------------------------------------------------------------------
 
     FolderList  folders;
diff --git a/FreeFileSync/Source/base/dir_exist_async.h b/FreeFileSync/Source/base/dir_exist_async.h
index c445a665..749e79ce 100755
--- a/FreeFileSync/Source/base/dir_exist_async.h
+++ b/FreeFileSync/Source/base/dir_exist_async.h
@@ -29,46 +29,78 @@ struct FolderStatus
     std::set<AbstractPath> existing;
     std::set<AbstractPath> notExisting;
     std::map<AbstractPath, zen::FileError> failedChecks;
+
+    std::map<AbstractPath, AbstractPath> normalizedPathsEx; //get rid of folder aliases (e.g. path differing in case)
 };
 
-FolderStatus getFolderStatusNonBlocking(const std::set<AbstractPath>& folderPaths, const std::map<AbstractPath, size_t>& deviceParallelOps,
+AbstractPath getNormalizedPath(const FolderStatus& status, const AbstractPath& folderPath)
+{
+    auto it = status.normalizedPathsEx.find(folderPath);
+    return it == status.normalizedPathsEx.end() ? folderPath : it->second;
+}
+
+
+FolderStatus getFolderStatusNonBlocking(const std::set<AbstractPath>& folderPaths, const std::map<AfsDevice, size_t>& deviceParallelOps,
                                         bool allowUserInteraction, ProcessCallback& procCallback  /*throw X*/)
 {
     using namespace zen;
 
     //aggregate folder paths that are on the same root device: see parallel_scan.h
-    std::map<AbstractPath, std::set<AbstractPath>> perDevicePaths;
+    std::map<AfsDevice, std::set<AbstractPath>> perDevicePaths;
 
     for (const AbstractPath& folderPath : folderPaths)
         if (!AFS::isNullPath(folderPath)) //skip empty folders
-            perDevicePaths[AFS::getRootPath(folderPath)].insert(folderPath);
+            perDevicePaths[folderPath.afsDevice].insert(folderPath);
 
-    std::vector<std::pair<AbstractPath, std::future<bool>>> futureInfo;
+    std::vector<std::pair<AbstractPath, std::future<std::optional<AFS::FileId>>>> futureDetails;
 
-    std::vector<ThreadGroup<std::packaged_task<bool()>>> perDeviceThreads;
-    for (const auto& [rootPath, deviceFolderPaths] : perDevicePaths)
+    std::vector<ThreadGroup<std::packaged_task<std::optional<AFS::FileId>()>>> perDeviceThreads;
+    for (const auto& [afsDevice, deviceFolderPaths] : perDevicePaths)
     {
-        const size_t parallelOps = getDeviceParallelOps(deviceParallelOps, rootPath);
+        const size_t parallelOps = getDeviceParallelOps(deviceParallelOps, afsDevice);
 
-        perDeviceThreads.emplace_back(parallelOps, "DirExist: " + utfTo<std::string>(AFS::getDisplayPath(rootPath)));
+        perDeviceThreads.emplace_back(parallelOps, "DirExist: " + utfTo<std::string>(AFS::getDisplayPath(AbstractPath(afsDevice, AfsPath()))));
         auto& threadGroup = perDeviceThreads.back();
         threadGroup.detach(); //don't wait on threads hanging longer than "folderAccessTimeout"
 
         for (const AbstractPath& folderPath : deviceFolderPaths)
         {
-            std::packaged_task<bool()> pt([folderPath, allowUserInteraction] //AbstractPath is thread-safe like an int! :)
+            std::packaged_task<std::optional<AFS::FileId>()> pt([folderPath, allowUserInteraction]() -> std::optional<AFS::FileId>
             {
                 //1. login to network share, open FTP connection, etc.
                 AFS::connectNetworkFolder(folderPath, allowUserInteraction); //throw FileError
 
-                //2. check dir existence
-                return static_cast<bool>(AFS::getItemTypeIfExists(folderPath)); //throw FileError
-                //TODO: consider ItemType::FILE a failure instead? In any case: return "false" IFF nothing (of any type) exists
+                //2. check dir existence (...by doing something useful and getting the file ID)
+                std::exception_ptr fidError;
+                try
+                {
+                    const AFS::FileId fileId = AFS::getFileId(folderPath); //throw FileError
+                    if (!fileId.empty()) //=> folder exists
+                        return fileId;
+                }
+                catch (FileError&) { fidError = std::current_exception(); }
+                //else: error or fileId not available, e.g. FTP, SFTP
+
+                /* CAVEAT: the case-sensitive semantics of AFS::itemStillExists() do not fit here!
+                        BUT: its implementation happens to be okay for our use:
+                    Assume we have a case-insensitive path match:
+                    => AFS::itemStillExists() first checks AFS::getItemType()
+                    => either succeeds (fine) or fails because of 1. not existing or 2. access error
+                    => the subsequent folder search reports "no folder": only a problem in case 2
+                    => FFS tries to create the folder during sync and fails with I. access error (fine) or II. already existing (obscures the previous "access error") */
+                if (!AFS::itemStillExists(folderPath)) //throw FileError
+                    return {};
+
+                if (fidError)
+                    std::rethrow_exception(fidError);
+                else
+                    return AFS::FileId();
+                //consider ItemType::FILE a failure instead? Meanwhile: return "false" IFF nothing (of any type) exists
             });
             auto fut = pt.get_future();
             threadGroup.run(std::move(pt));
 
-            futureInfo.emplace_back(folderPath, std::move(fut));
+            futureDetails.emplace_back(folderPath, std::move(fut));
         }
     }
 
@@ -76,8 +108,9 @@ FolderStatus getFolderStatusNonBlocking(const std::set<AbstractPath>& folderPath
     const auto startTime = std::chrono::steady_clock::now();
 
     FolderStatus output;
+    std::map<AFS::FileId, AbstractPath> exFoldersById;
 
-    for (auto& [folderPath, future] : futureInfo)
+    for (auto& [folderPath, future] : futureDetails)
     {
         const std::wstring& displayPathFmt = fmtPath(AFS::getDisplayPath(folderPath));
 
@@ -96,8 +129,17 @@ FolderStatus getFolderStatusNonBlocking(const std::set<AbstractPath>& folderPath
             try
             {
                 //call future::get() only *once*! otherwise: undefined behavior!
-                if (future.get()) //throw FileError
-                    output.existing.insert(folderPath);
+                if (std::optional<AFS::FileId> folderInfo = future.get()) //throw FileError
+                {
+                    output.existing.emplace(folderPath);
+
+                    //find folder aliases (e.g. path differing in case)
+                    const AFS::FileId fileId = *folderInfo;
+                    if (!fileId.empty())
+                        exFoldersById.emplace(fileId, folderPath);
+
+                    output.normalizedPathsEx.emplace(folderPath, fileId.empty() ? folderPath : exFoldersById.find(fileId)->second);
+                }
                 else
                     output.notExisting.insert(folderPath);
             }
diff --git a/FreeFileSync/Source/base/dir_lock.cpp b/FreeFileSync/Source/base/dir_lock.cpp
index 86006337..cfcf6699 100755
--- a/FreeFileSync/Source/base/dir_lock.cpp
+++ b/FreeFileSync/Source/base/dir_lock.cpp
@@ -436,9 +436,9 @@ public:
         tidyUp();
 
         //optimization: check if we already own a lock for this path
-        auto iterGuid = fileToGuid_.find(lockFilePath);
-        if (iterGuid != fileToGuid_.end())
-            if (const std::shared_ptr<SharedDirLock>& activeLock = getActiveLock(iterGuid->second)) //returns null-lock if not found
+        auto itGuid = guidByPath_.find(lockFilePath);
+        if (itGuid != guidByPath_.end())
+            if (const std::shared_ptr<SharedDirLock>& activeLock = getActiveLock(itGuid->second)) //returns null-lock if not found
                 return activeLock; //SharedDirLock is still active -> enlarge circle of shared ownership
 
         try //check based on lock GUID, deadlock prevention: "lockFilePath" may be an alternative name for a lock already owned by this process
@@ -446,7 +446,7 @@ public:
             const std::string lockId = retrieveLockId(lockFilePath); //throw FileError
             if (const std::shared_ptr<SharedDirLock>& activeLock = getActiveLock(lockId)) //returns null-lock if not found
             {
-                fileToGuid_[lockFilePath] = lockId; //found an alias for one of our active locks
+                guidByPath_[lockFilePath] = lockId; //found an alias for one of our active locks
                 return activeLock;
             }
         }
@@ -456,9 +456,8 @@ public:
         auto newLock = std::make_shared<SharedDirLock>(lockFilePath, notifyStatus, cbInterval); //throw FileError
         const std::string& newLockGuid = retrieveLockId(lockFilePath); //throw FileError
 
-        //update registry
-        fileToGuid_[lockFilePath] = newLockGuid; //throw()
-        guidToLock_[newLockGuid]  = newLock;     //
+        guidByPath_[lockFilePath] = newLockGuid; //update registry
+        locksByGuid_[newLockGuid] = newLock;     //
 
         return newLock;
     }
@@ -469,23 +468,21 @@ private:
     LockAdmin& operator=(const LockAdmin&) = delete;
 
     using UniqueId = std::string;
-    using FileToGuidMap = std::map<Zstring, UniqueId, LessFilePath>; //n:1 handle uppper/lower case correctly
-    using GuidToLockMap = std::map<UniqueId, std::weak_ptr<SharedDirLock>>; //1:1
 
     std::shared_ptr<SharedDirLock> getActiveLock(const UniqueId& lockId) //returns null if none found
     {
-        auto it = guidToLock_.find(lockId);
-        return it != guidToLock_.end() ? it->second.lock() : nullptr; //try to get shared_ptr; throw()
+        auto it = locksByGuid_.find(lockId);
+        return it != locksByGuid_.end() ? it->second.lock() : nullptr; //try to get shared_ptr; throw()
     }
 
     void tidyUp() //remove obsolete entries
     {
-        erase_if(guidToLock_, [ ](const GuidToLockMap::value_type& v) { return !v.second.lock(); });
-        erase_if(fileToGuid_, [&](const FileToGuidMap::value_type& v) { return guidToLock_.find(v.second) == guidToLock_.end(); });
+        eraseIf(locksByGuid_, [](const auto& v) { return !v.second.lock(); });
+        eraseIf(guidByPath_, [&](const auto& v) { return locksByGuid_.find(v.second) == locksByGuid_.end(); });
     }
 
-    FileToGuidMap fileToGuid_; //lockname |-> GUID; locks can be referenced by a lockFilePath or alternatively a GUID
-    GuidToLockMap guidToLock_; //GUID |-> "shared lock ownership"
+    std::map<Zstring, UniqueId> guidByPath_;                      //lockFilePath |-> GUID; n:1; locks can be referenced by a lockFilePath or alternatively a GUID
+    std::map<UniqueId, std::weak_ptr<SharedDirLock>> locksByGuid_; //GUID |-> "shared lock ownership"; 1:1
 };
 
 
diff --git a/FreeFileSync/Source/base/dir_lock.h b/FreeFileSync/Source/base/dir_lock.h
index 910e551d..20795804 100755
--- a/FreeFileSync/Source/base/dir_lock.h
+++ b/FreeFileSync/Source/base/dir_lock.h
@@ -17,7 +17,7 @@ namespace fff
 {
 /*
 RAII structure to place a directory lock against other FFS processes:
-        - recursive locking supported, even with alternate lockfile names, e.g. via symlinks, network mounts etc.
+        - recursive locking supported, even with alternate lockfile names, e.g. via symlinks, network mounts, case-differences etc.
         - ownership shared between all object instances refering to a specific lock location(= GUID)
         - can be copied safely and efficiently! (ref-counting)
         - detects and resolves abandoned locks (instantly if lock is associated with local pc, else after 30 seconds)
diff --git a/FreeFileSync/Source/base/ffs_paths.cpp b/FreeFileSync/Source/base/ffs_paths.cpp
index 3668f059..43ea8fff 100755
--- a/FreeFileSync/Source/base/ffs_paths.cpp
+++ b/FreeFileSync/Source/base/ffs_paths.cpp
@@ -16,18 +16,44 @@ using namespace zen;
 namespace
 {
 inline
-Zstring getExecutablePathPf() //directory containing executable WITH path separator at end
+Zstring getExeFolderPath() //directory containing executable WITH path separator at end
 {
-    return appendSeparator(beforeLast(utfTo<Zstring>(wxStandardPaths::Get().GetExecutablePath()), FILE_NAME_SEPARATOR, IF_MISSING_RETURN_NONE));
+    return beforeLast(utfTo<Zstring>(wxStandardPaths::Get().GetExecutablePath()), FILE_NAME_SEPARATOR, IF_MISSING_RETURN_NONE);
 }
+
+
+inline
+Zstring getExeFolderParentPath()
+{
+    return beforeLast(getExeFolderPath(), FILE_NAME_SEPARATOR, IF_MISSING_RETURN_NONE);
+}
+}
+
+
+
+
+VolumeId fff::getVolumeSerialOs() //throw FileError
+{
+    return getFileId("/").volumeId; //throw FileError
 }
 
 
+VolumeId fff::getVolumeSerialFfs() //throw FileError
+{
+    return getFileId(getExeFolderPath()).volumeId; //throw FileError
+}
 
 
 bool fff::isPortableVersion()
 {
-    return !endsWith(getExecutablePathPf(), "/bin/");  //this check is a bit lame...
+    return false; //users want local installation type: https://freefilesync.org/forum/viewtopic.php?t=5750
+    //try
+    //{
+    //    return getVolumeSerialFfs() != getVolumeSerialOs(); //throw FileError
+    //}
+    //catch (FileError&) {}
+    //assert(false);
+    //return false;
 
 }
 
@@ -39,10 +65,10 @@ Zstring fff::getResourceDirPf()
     wxTheApp->SetAppName(L"FreeFileSync");
     ZEN_ON_SCOPE_EXIT(wxTheApp->SetAppName(appName));
 
-    if (isPortableVersion())
-        return getExecutablePathPf();
-    else //use OS' standard paths
-        return appendSeparator(utfTo<Zstring>(wxStandardPathsBase::Get().GetResourcesDir()));
+    //if (isPortableVersion())
+    return appendSeparator(getExeFolderParentPath());
+    //else //use OS' standard paths
+    //    return appendSeparator(utfTo<Zstring>(wxStandardPathsBase::Get().GetResourcesDir()));
 }
 
 
@@ -53,24 +79,39 @@ Zstring fff::getConfigDirPathPf()
     wxTheApp->SetAppName(L"FreeFileSync");
     ZEN_ON_SCOPE_EXIT(wxTheApp->SetAppName(appName));
 
+    Zstring cfgFolderPath;
     if (isPortableVersion())
-        return getExecutablePathPf();
-    //use OS' standard paths
-    Zstring configDirPath = utfTo<Zstring>(wxStandardPaths::Get().GetUserDataDir());
-
-    try
+        cfgFolderPath = getExeFolderParentPath();
+    else //OS standard path (XDG layout): ~/.config/FreeFileSync
     {
-        createDirectoryIfMissingRecursion(configDirPath); //throw FileError
+        //wxBug: wxStandardPaths::GetUserDataDir() does not honor FileLayout_XDG flag
+        wxStandardPaths::Get().SetFileLayout(wxStandardPaths::FileLayout_XDG);
+        cfgFolderPath = appendSeparator(utfTo<Zstring>(wxStandardPaths::Get().GetUserConfigDir())) + "FreeFileSync";
     }
-    catch (FileError&) { assert(false); }
 
-    return appendSeparator(configDirPath);
+#ifdef __GNUC__
+#pragma GCC diagnostic push
+#pragma GCC diagnostic ignored "-Wunused-variable"
+#endif
+    static int initOnce = [&] //"magic static" is the lesser evil in this wxWidgets context...
+    {
+        try //create the config folder if not existing + create "Logs" subfolder while we're at it
+        {
+            createDirectoryIfMissingRecursion(appendSeparator(cfgFolderPath) + Zstr("Logs")); //throw FileError
+        }
+        catch (FileError&) { assert(false); }
+        return 0;
+    }();
+#ifdef __GNUC__
+#pragma GCC diagnostic pop
+#endif
+    return appendSeparator(cfgFolderPath);
 }
 
 
 //this function is called by RealTimeSync!!!
 Zstring fff::getFreeFileSyncLauncherPath()
 {
-    return getExecutablePathPf() + Zstr("FreeFileSync");
+    return getExeFolderParentPath() + Zstr("/FreeFileSync");
 
 }
diff --git a/FreeFileSync/Source/base/ffs_paths.h b/FreeFileSync/Source/base/ffs_paths.h
index 3cb4c07b..4be75986 100755
--- a/FreeFileSync/Source/base/ffs_paths.h
+++ b/FreeFileSync/Source/base/ffs_paths.h
@@ -8,6 +8,7 @@
 #define FFS_PATHS_H_842759083425342534253
 
 #include <zen/zstring.h>
+#include <zen/file_id_def.h>
 
 
 namespace fff
@@ -22,6 +23,10 @@ Zstring getConfigDirPathPf(); //config directory WITH trailing path separator
 bool isPortableVersion();
 
 
+
+zen::VolumeId getVolumeSerialOs (); //throw FileError
+zen::VolumeId getVolumeSerialFfs(); //
+
 Zstring getFreeFileSyncLauncherPath(); //full path to application launcher C:\...\FreeFileSync.exe
 }
 
diff --git a/FreeFileSync/Source/base/file_hierarchy.cpp b/FreeFileSync/Source/base/file_hierarchy.cpp
index d6e65ebd..39af1e8e 100755
--- a/FreeFileSync/Source/base/file_hierarchy.cpp
+++ b/FreeFileSync/Source/base/file_hierarchy.cpp
@@ -20,8 +20,8 @@ std::wstring fff::getShortDisplayNameForFolderPair(const AbstractPath& itemPathL
     AbstractPath tmpPathR = itemPathR;
     for (;;)
     {
-        std::optional<AbstractPath> parentPathL = AFS::getParentFolderPath(tmpPathL);
-        std::optional<AbstractPath> parentPathR = AFS::getParentFolderPath(tmpPathR);
+        std::optional<AbstractPath> parentPathL = AFS::getParentPath(tmpPathL);
+        std::optional<AbstractPath> parentPathR = AFS::getParentPath(tmpPathR);
         if (!parentPathL || !parentPathR)
             break;
 
@@ -33,14 +33,14 @@ std::wstring fff::getShortDisplayNameForFolderPair(const AbstractPath& itemPathL
         tmpPathL = *parentPathL;
         tmpPathR = *parentPathR;
 
-        commonTrail = AFS::appendPaths(itemNameL, commonTrail, FILE_NAME_SEPARATOR);
+        commonTrail = nativeAppendPaths(itemNameL, commonTrail);
     }
     if (!commonTrail.empty())
         return utfTo<std::wstring>(commonTrail);
 
     auto getLastComponent = [](const AbstractPath& itemPath)
     {
-        if (!AFS::getParentFolderPath(itemPath)) //= device root
+        if (!AFS::getParentPath(itemPath)) //= device root
             return AFS::getDisplayPath(itemPath);
         return utfTo<std::wstring>(AFS::getItemName(itemPath));
     };
diff --git a/FreeFileSync/Source/base/file_hierarchy.h b/FreeFileSync/Source/base/file_hierarchy.h
index 4d06f73b..0b466c44 100755
--- a/FreeFileSync/Source/base/file_hierarchy.h
+++ b/FreeFileSync/Source/base/file_hierarchy.h
@@ -18,7 +18,7 @@
 #include <zen/stl_tools.h>
 #include <zen/file_id_def.h>
 #include "structures.h"
-#include "hard_filter.h"
+#include "path_filter.h"
 #include "../fs/abstract.h"
 
 
@@ -184,10 +184,10 @@ private:
     virtual Zstring getRelativePathR() const = 0; //
 };
 
-template <> inline AbstractPath PathInformation::getAbstractPath<LEFT_SIDE >() const { return getAbstractPathL(); }
+template <> inline AbstractPath PathInformation::getAbstractPath< LEFT_SIDE>() const { return getAbstractPathL(); }
 template <> inline AbstractPath PathInformation::getAbstractPath<RIGHT_SIDE>() const { return getAbstractPathR(); }
 
-template <> inline Zstring PathInformation::getRelativePath<LEFT_SIDE >() const { return getRelativePathL(); }
+template <> inline Zstring PathInformation::getRelativePath< LEFT_SIDE>() const { return getRelativePathL(); }
 template <> inline Zstring PathInformation::getRelativePath<RIGHT_SIDE>() const { return getRelativePathR(); }
 
 //------------------------------------------------------------------
@@ -286,7 +286,7 @@ public:
                    bool folderAvailableLeft,
                    const AbstractPath& folderPathRight,
                    bool folderAvailableRight,
-                   const HardFilter::FilterRef& filter,
+                   const FilterRef& filter,
                    CompareVariant cmpVar,
                    int fileTimeTolerance,
                    const std::vector<unsigned int>& ignoreTimeShiftMinutes) :
@@ -303,7 +303,7 @@ public:
     template <SelectedSide side> void setAvailable(bool value); //update after creating the directory in FFS
 
     //get settings which were used while creating BaseFolderPair
-    const HardFilter&   getFilter() const { return *filter_; }
+    const PathFilter&   getFilter() const { return filter_.ref(); }
     CompareVariant getCompVariant() const { return cmpVar_; }
     int  getFileTimeTolerance() const { return fileTimeTolerance_; }
     const std::vector<unsigned int>& getIgnoredTimeShift() const { return ignoreTimeShiftMinutes_; }
@@ -314,7 +314,7 @@ private:
     AbstractPath getAbstractPathL() const override { return folderPathLeft_; }
     AbstractPath getAbstractPathR() const override { return folderPathRight_; }
 
-    const HardFilter::FilterRef filter_; //filter used while scanning directory: represents sub-view of actual files!
+    const FilterRef filter_; //filter used while scanning directory: represents sub-view of actual files!
     const CompareVariant cmpVar_;
     const int fileTimeTolerance_;
     const std::vector<unsigned int> ignoreTimeShiftMinutes_;
@@ -480,7 +480,7 @@ private:
     FileSystemObject           (const FileSystemObject&) = delete;
     FileSystemObject& operator=(const FileSystemObject&) = delete;
 
-    AbstractPath getAbstractPathL() const override { return AFS::appendRelPath(base().getAbstractPath<LEFT_SIDE >(), getRelativePath<LEFT_SIDE >()); }
+    AbstractPath getAbstractPathL() const override { return AFS::appendRelPath(base().getAbstractPath< LEFT_SIDE>(), getRelativePath< LEFT_SIDE>()); }
     AbstractPath getAbstractPathR() const override { return AFS::appendRelPath(base().getAbstractPath<RIGHT_SIDE>(), getRelativePath<RIGHT_SIDE>()); }
 
     virtual void removeObjectL() = 0;
@@ -593,8 +593,8 @@ public:
                      bool isSymlinkSrc);
 
 private:
-    Zstring getRelativePathL() const override { return AFS::appendPaths(parent().getRelativePath<LEFT_SIDE >(), getItemName<LEFT_SIDE >(), FILE_NAME_SEPARATOR); }
-    Zstring getRelativePathR() const override { return AFS::appendPaths(parent().getRelativePath<RIGHT_SIDE>(), getItemName<RIGHT_SIDE>(), FILE_NAME_SEPARATOR); }
+    Zstring getRelativePathL() const override { return nativeAppendPaths(parent().getRelativePath< LEFT_SIDE>(), getItemName< LEFT_SIDE>()); }
+    Zstring getRelativePathR() const override { return nativeAppendPaths(parent().getRelativePath<RIGHT_SIDE>(), getItemName<RIGHT_SIDE>()); }
 
     SyncOperation applyMoveOptimization(SyncOperation op) const;
 
@@ -637,8 +637,8 @@ public:
                      int64_t lastWriteTimeSrc);
 
 private:
-    Zstring getRelativePathL() const override { return AFS::appendPaths(parent().getRelativePath<LEFT_SIDE >(), getItemName<LEFT_SIDE >(), FILE_NAME_SEPARATOR); }
-    Zstring getRelativePathR() const override { return AFS::appendPaths(parent().getRelativePath<RIGHT_SIDE>(), getItemName<RIGHT_SIDE>(), FILE_NAME_SEPARATOR); }
+    Zstring getRelativePathL() const override { return nativeAppendPaths(parent().getRelativePath< LEFT_SIDE>(), getItemName< LEFT_SIDE>()); }
+    Zstring getRelativePathR() const override { return nativeAppendPaths(parent().getRelativePath<RIGHT_SIDE>(), getItemName<RIGHT_SIDE>()); }
 
     void flip()          override;
     void removeObjectL() override { attrL_ = LinkAttributes(); }
@@ -841,7 +841,7 @@ void FileSystemObject::setSynced(const Zstring& itemName)
     cmpResult_ = FILE_EQUAL;
     setSyncDir(SyncDirection::NONE);
 
-    propagateChangedItemName<LEFT_SIDE >(itemNameOldL);
+    propagateChangedItemName< LEFT_SIDE>(itemNameOldL);
     propagateChangedItemName<RIGHT_SIDE>(itemNameOldR);
 }
 
@@ -917,9 +917,9 @@ template <SelectedSide side> inline
 void ContainerObject::updateRelPathsRecursion(const FileSystemObject& fsAlias)
 {
     assert(SelectParam<side>::ref(relPathL_, relPathR_) != //perf: only call if actual item name changed!
-           AFS::appendPaths(fsAlias.parent().getRelativePath<side>(), fsAlias.getItemName<side>(), FILE_NAME_SEPARATOR));
+           nativeAppendPaths(fsAlias.parent().getRelativePath<side>(), fsAlias.getItemName<side>()));
 
-    SelectParam<side>::ref(relPathL_, relPathR_) = AFS::appendPaths(fsAlias.parent().getRelativePath<side>(), fsAlias.getItemName<side>(), FILE_NAME_SEPARATOR);
+    SelectParam<side>::ref(relPathL_, relPathR_) = nativeAppendPaths(fsAlias.parent().getRelativePath<side>(), fsAlias.getItemName<side>());
 
     for (FolderPair& folder : subFolders_)
         folder.updateRelPathsRecursion<side>(folder);
@@ -928,14 +928,14 @@ void ContainerObject::updateRelPathsRecursion(const FileSystemObject& fsAlias)
 
 inline
 ContainerObject::ContainerObject(const FileSystemObject& fsAlias) :
-    relPathL_(AFS::appendPaths(fsAlias.parent().relPathL_, fsAlias.getItemName<LEFT_SIDE>(), FILE_NAME_SEPARATOR)),
+    relPathL_(nativeAppendPaths(fsAlias.parent().relPathL_, fsAlias.getItemName<LEFT_SIDE>())),
     relPathR_(
         fsAlias.parent().relPathL_.c_str() ==        //
         fsAlias.parent().relPathR_.c_str() &&        //take advantage of FileSystemObject's Zstring reuse:
-        fsAlias.getItemName<LEFT_SIDE >().c_str() == //=> perf: 12% faster merge phase; -4% peak memory
+        fsAlias.getItemName< LEFT_SIDE>().c_str() == //=> perf: 12% faster merge phase; -4% peak memory
         fsAlias.getItemName<RIGHT_SIDE>().c_str() ?  //
         relPathL_ : //ternary-WTF! (implicit copy-constructor call!!) => no big deal for a Zstring
-        AFS::appendPaths(fsAlias.parent().relPathR_, fsAlias.getItemName<RIGHT_SIDE>(), FILE_NAME_SEPARATOR)),
+        nativeAppendPaths(fsAlias.parent().relPathR_, fsAlias.getItemName<RIGHT_SIDE>())),
     base_(fsAlias.parent().base_)
 {
     assert(relPathL_.c_str() == relPathR_.c_str() || relPathL_ != relPathR_);
diff --git a/FreeFileSync/Source/base/generate_logfile.cpp b/FreeFileSync/Source/base/generate_logfile.cpp
index dbb8e42a..dcb621be 100755
--- a/FreeFileSync/Source/base/generate_logfile.cpp
+++ b/FreeFileSync/Source/base/generate_logfile.cpp
@@ -22,22 +22,22 @@ std::wstring generateLogHeader(const ProcessSummary& s, const ErrorLog& log, con
     //assemble summary box
     std::vector<std::wstring> summary;
 
-    //write header
-    std::wstring headerLine = formatTime<std::wstring>(FORMAT_DATE);
+    const std::wstring tabSpace(4, L' '); //4, the one true space count for tabs
+
+    std::wstring headerLine = formatTime<std::wstring>(FORMAT_DATE); //+ L" [" + formatTime<std::wstring>(FORMAT_TIME, startTime + L"]";
     if (!s.jobName.empty())
-        headerLine += L" | " + s.jobName;
-    headerLine += L" | " + finalStatusMsg;
+        headerLine += L"  " + s.jobName;
 
     summary.push_back(headerLine);
     summary.push_back(L"");
+    summary.push_back(tabSpace +  finalStatusMsg);
 
-    const std::wstring tabSpace(4, L' '); //4, the one true space count for tabs
 
     const int errorCount   = log.getItemCount(MSG_TYPE_ERROR | MSG_TYPE_FATAL_ERROR);
     const int warningCount = log.getItemCount(MSG_TYPE_WARNING);
 
-    if (errorCount   > 0) summary.push_back(tabSpace + _("Error"  ) + L": " + formatNumber(errorCount));
-    if (warningCount > 0) summary.push_back(tabSpace + _("Warning") + L": " + formatNumber(warningCount));
+    if (errorCount   > 0) summary.push_back(tabSpace + _("Errors:")   + L" " + formatNumber(errorCount));
+    if (warningCount > 0) summary.push_back(tabSpace + _("Warnings:") + L" " + formatNumber(warningCount));
 
 
     std::wstring itemsProc = tabSpace + _("Items processed:") + L" " + formatNumber(s.statsProcessed.items); //show always, even if 0!
@@ -45,7 +45,7 @@ std::wstring generateLogHeader(const ProcessSummary& s, const ErrorLog& log, con
     summary.push_back(itemsProc);
 
     if ((s.statsTotal.items < 0 && s.statsTotal.bytes < 0) || //no total items/bytes: e.g. for pure folder comparison
-        s.statsProcessed == s.statsTotal)  //...if everything was processed successfully
+        s.statsProcessed == s.statsTotal) //...if everything was processed successfully
         ;
     else
         summary.push_back(tabSpace + _("Items remaining:") +
@@ -55,7 +55,7 @@ std::wstring generateLogHeader(const ProcessSummary& s, const ErrorLog& log, con
     const int64_t totalTimeSec = std::chrono::duration_cast<std::chrono::seconds>(s.totalTime).count();
     summary.push_back(tabSpace + _("Total time:") + L" " + copyStringTo<std::wstring>(wxTimeSpan::Seconds(totalTimeSec).Format()));
 
-    //calculate max width, this considers UTF-16 only, not true Unicode...but maybe good idea? those 2-byte-UTF16 codes are usually wider than fixed width chars anyway!
+    //calculate max width, this considers UTF-16, not Unicode code points...but maybe good idea? those 2-byte-UTF16 chars are usually wider than fixed-width chars anyway!
     size_t sepLineLen = 0;
     for (const std::wstring& str : summary) sepLineLen = std::max(sepLineLen, str.size());
 
@@ -202,8 +202,8 @@ std::vector<LogFileInfo> getLogFiles(const AbstractPath& logFolderPath) //throw
             auto tsEnd   = fi.itemName.end() - 4;
 
             if (tsBegin != tsEnd && tsEnd[-1] == STATUS_END_TOKEN)
-                tsEnd = search_last(tsBegin, tsEnd,
-                                    std::begin(STATUS_BEGIN_TOKEN), std::end(STATUS_BEGIN_TOKEN) - 1);
+                tsEnd = searchLast(tsBegin, tsEnd,
+                                   std::begin(STATUS_BEGIN_TOKEN), std::end(STATUS_BEGIN_TOKEN) - 1);
 
             if (tsEnd - tsBegin >= TIME_STAMP_LENGTH &&
                 tsEnd[-4] == Zstr('.') &&
@@ -261,6 +261,7 @@ void limitLogfileCount(const AbstractPath& logFolderPath, //throw FileError
         for (const LogFileInfo& lfi : logFiles)
             if (lfi.timeStamp < cutOffTime &&
                 logFilePathsToKeep.find(lfi.filePath) == logFilePathsToKeep.end()) //don't trim latest log files corresponding to last used config files!
+                //nitpicker's corner: what about path differences due to case? e.g. user-overriden log file path changed in case
             {
                 if (notifyStatus) notifyStatus(_("Cleaning up log files:") + L" " + fmtPath(AFS::getDisplayPath(lfi.filePath)));
                 try
@@ -280,23 +281,6 @@ void limitLogfileCount(const AbstractPath& logFolderPath, //throw FileError
 Zstring fff::getDefaultLogFolderPath() { return getConfigDirPathPf() + Zstr("Logs") ; }
 
 
-MessageType fff::getFinalMsgType(SyncResult finalStatus)
-{
-    switch (finalStatus)
-    {
-        case SyncResult::FINISHED_WITH_SUCCESS:
-            return MSG_TYPE_INFO;
-        case SyncResult::FINISHED_WITH_WARNINGS:
-            return MSG_TYPE_WARNING;
-        case SyncResult::FINISHED_WITH_ERROR:
-        case SyncResult::ABORTED: //= user cancel; *not* a MSG_TYPE_FATAL_ERROR!
-            return MSG_TYPE_ERROR;
-    }
-    assert(false);
-    return MSG_TYPE_FATAL_ERROR;
-}
-
-
 AbstractPath fff::saveLogFile(const ProcessSummary& summary, //throw FileError
                               const ErrorLog& log,
                               const std::chrono::system_clock::time_point& syncStartTime,
diff --git a/FreeFileSync/Source/base/generate_logfile.h b/FreeFileSync/Source/base/generate_logfile.h
index dbb3cbd0..9892fa83 100755
--- a/FreeFileSync/Source/base/generate_logfile.h
+++ b/FreeFileSync/Source/base/generate_logfile.h
@@ -26,8 +26,6 @@ AbstractPath saveLogFile(const ProcessSummary& summary, //throw FileError
                          int logfilesMaxAgeDays,
                          const std::set<AbstractPath>& logFilePathsToKeep,
                          const std::function<void(const std::wstring& msg)>& notifyStatus /*throw X*/);
-
-zen::MessageType getFinalMsgType(SyncResult finalStatus);
 }
 
 #endif //GENERATE_LOGFILE_H_931726432167489732164
diff --git a/FreeFileSync/Source/base/localization.cpp b/FreeFileSync/Source/base/localization.cpp
index de1b7087..3b7faee3 100755
--- a/FreeFileSync/Source/base/localization.cpp
+++ b/FreeFileSync/Source/base/localization.cpp
@@ -147,7 +147,7 @@ std::vector<TranslationInfo> loadTranslations()
             assert(!lngHeader.localeName    .empty());
             assert(!lngHeader.flagFile      .empty());
             /*
-            Some ISO codes are used by multiple wxLanguage IDs which can lead to incorrect mapping!!!
+            Some ISO codes are used by multiple wxLanguage IDs which can lead to incorrect mapping by wxLocale::FindLanguageInfo()!!!
             => Identify by description, e.g. "Chinese (Traditional)". The following ids are affected:
                 wxLANGUAGE_CHINESE_TRADITIONAL
                 wxLANGUAGE_ENGLISH_UK
@@ -330,6 +330,75 @@ wxLanguage mapLanguageDialect(wxLanguage language)
 }
 
 
+//we need to interface with wxWidgets' translation handling for a few translations used in their internal source files
+// => since there is no better API: dynamically generate a MO file and feed it to wxTranslation
+class MemoryTranslationLoader : public wxTranslationsLoader
+{
+public:
+    MemoryTranslationLoader(wxLanguage langId, std::map<std::string, std::wstring>&& transMapping) :
+        canonicalName_(wxLocale::GetLanguageCanonicalName(langId))
+    {
+        //https://www.gnu.org/software/gettext/manual/html_node/MO-Files.html
+        transMapping[""] = L"Content-Type: text/plain; charset=UTF-8\n";
+
+        const int headerSize = 28;
+        writeNumber<uint32_t>(moBuf_, 0x950412de); //magic number
+        writeNumber<uint32_t>(moBuf_, 0); //format version
+        writeNumber<uint32_t>(moBuf_, transMapping.size()); //string count
+        writeNumber<uint32_t>(moBuf_, headerSize);                           //string references offset: original
+        writeNumber<uint32_t>(moBuf_, headerSize + 8 * transMapping.size()); //string references offset: translation
+        writeNumber<uint32_t>(moBuf_, 0); //size of hashing table
+        writeNumber<uint32_t>(moBuf_, 0); //offset of hashing table
+
+        const int stringsOffset = headerSize + 2 * 8 * transMapping.size();
+        std::string stringsList;
+
+        for (const auto& [original, translation] : transMapping)
+        {
+            writeNumber<uint32_t>(moBuf_, original.size()); //string length
+            writeNumber<uint32_t>(moBuf_, stringsOffset + stringsList.size()); //string offset
+            stringsList.append(original.c_str(), original.size() + 1); //include 0-termination
+        }
+
+        for (const auto& item : transMapping)
+        {
+            const auto& translation = utfTo<std::string>(item.second);
+            writeNumber<uint32_t>(moBuf_, translation.size()); //string length
+            writeNumber<uint32_t>(moBuf_, stringsOffset + stringsList.size()); //string offset
+            stringsList.append(translation.c_str(), translation.size() + 1); //include 0-termination
+        }
+
+        writeArray(moBuf_, stringsList.c_str(), stringsList.size());
+    }
+
+    wxMsgCatalog* LoadCatalog(const wxString& domain, const wxString& lang) override
+    {
+        //"lang" is NOT (exactly) what we return from GetAvailableTranslations(), but has a little "extra", e.g.: de_DE.WINDOWS-1252 or ar.WINDOWS-1252
+        if (equalAsciiNoCase(extractIsoLangCode(lang), extractIsoLangCode(canonicalName_)))
+            return wxMsgCatalog::CreateFromData(wxScopedCharBuffer::CreateNonOwned(moBuf_.ref().c_str(), moBuf_.ref().size()), domain);
+        assert(false);
+        return nullptr;
+    }
+
+    wxArrayString GetAvailableTranslations(const wxString& domain) const override
+    {
+        wxArrayString available;
+        available.push_back(canonicalName_);
+        return available;
+    }
+
+private:
+    static wxString extractIsoLangCode(wxString langCode)
+    {
+        langCode = beforeLast(langCode, L".", IF_MISSING_RETURN_ALL);
+        return beforeLast(langCode, L"_", IF_MISSING_RETURN_ALL);
+    }
+
+    const wxString canonicalName_;
+    MemoryStreamOut<std::string> moBuf_;
+};
+
+
 //global wxWidgets localization: sets up C localization runtime as well!
 class wxWidgetsLocale
 {
@@ -356,6 +425,7 @@ public:
             locale_->Init(wxLANGUAGE_DEFAULT); //use sys-lang to preserve sub-language specific rules (e.g. german swiss number punctation)
         else
             locale_->Init(lng); //have to use the supplied language to enable RTL layout different than user settings
+
         locLng_ = lng;
     }
 
@@ -404,7 +474,10 @@ void fff::setLanguage(wxLanguage lng) //throw FileError
 
     //load language file into buffer
     if (langFilePath.empty()) //if languageFile is empty, texts will be english by default
+    {
         setTranslator(nullptr);
+        lng = wxLANGUAGE_ENGLISH_US;
+    }
     else
         try
         {
@@ -420,11 +493,25 @@ void fff::setLanguage(wxLanguage lng) //throw FileError
         }
         catch (plural::ParsingError&)
         {
-            throw FileError(replaceCpy<std::wstring>(L"%x: Invalid plural form definition", L"%x", fmtPath(langFilePath))); //user should never see this!
+            throw FileError(L"Invalid plural form definition: " + fmtPath(langFilePath)); //user should never see this!
         }
 
     //handle RTL swapping: we need wxWidgets to do this
-    wxWidgetsLocale::getInstance().init(langFilePath.empty() ? wxLANGUAGE_ENGLISH : lng);
+    wxWidgetsLocale::getInstance().init(lng);
+
+    //add translation for wxWidgets-internal strings:
+    assert(wxTranslations::Get()); //already initialized by wxLocale
+    if (wxTranslations* wxtrans = wxTranslations::Get())
+    {
+        std::map<std::string, std::wstring> transMapping =
+        {
+        };
+        wxtrans->SetLanguage(lng); //!= wxLocale's language, which could be wxLANGUAGE_DEFAULT (see wxWidgetsLocale)
+        wxtrans->SetLoader(new MemoryTranslationLoader(lng, std::move(transMapping)));
+        const bool catalogAdded = wxtrans->AddCatalog(wxString(), lng);
+        (void)catalogAdded;
+        assert(catalogAdded);
+    }
 }
 
 
diff --git a/FreeFileSync/Source/base/lock_holder.h b/FreeFileSync/Source/base/lock_holder.h
index d4e3371c..7bc470ba 100755
--- a/FreeFileSync/Source/base/lock_holder.h
+++ b/FreeFileSync/Source/base/lock_holder.h
@@ -13,28 +13,28 @@ namespace fff
 //intermediate locks created by DirLock use this extension, too:
 const Zchar LOCK_FILE_ENDING[] = Zstr(".ffs_lock"); //don't use Zstring as global constant: avoid static initialization order problem in global namespace!
 
+//Attention: 1. call after having checked directory existence!
+//           2. perf: remove folder aliases (e.g. case differences) *before* calling this function!!!
+
 //hold locks for a number of directories without blocking during lock creation
-//call after having checked directory existence!
 class LockHolder
 {
 public:
-    LockHolder(const std::set<Zstring, LessFilePath>& dirPathsExisting, //resolved paths
-               bool& warnDirectoryLockFailed,
-               ProcessCallback& pcb /*throw X*/)
+    LockHolder(const std::set<Zstring>& folderPaths, bool& warnDirectoryLockFailed, ProcessCallback& pcb /*throw X*/)
     {
         using namespace zen;
 
-        std::map<Zstring, FileError, LessFilePath> failedLocks;
+        std::map<Zstring, FileError> failedLocks;
 
-        for (const Zstring& dirpath : dirPathsExisting)
+        for (const Zstring& folderPath : folderPaths)
             try
             {
                 //lock file creation is synchronous and may block noticeably for very slow devices (usb sticks, mapped cloud storages)
-                lockHolder_.emplace_back(appendSeparator(dirpath) + Zstr("sync") + LOCK_FILE_ENDING,
+                lockHolder_.emplace_back(appendSeparator(folderPath) + Zstr("sync") + LOCK_FILE_ENDING,
                 [&](const std::wstring& msg) { pcb.reportStatus(msg); /*throw X*/ },
                 UI_UPDATE_INTERVAL / 2); //throw FileError
             }
-            catch (const FileError& e) { failedLocks.emplace(dirpath, e); }
+            catch (const FileError& e) { failedLocks.emplace(folderPath, e); }
 
         if (!failedLocks.empty())
         {
diff --git a/FreeFileSync/Source/base/norm_filter.h b/FreeFileSync/Source/base/norm_filter.h
index c2606ffc..f96a0aef 100755
--- a/FreeFileSync/Source/base/norm_filter.h
+++ b/FreeFileSync/Source/base/norm_filter.h
@@ -7,7 +7,7 @@
 #ifndef NORM_FILTER_H_974896787346251
 #define NORM_FILTER_H_974896787346251
 
-#include "hard_filter.h"
+#include "path_filter.h"
 #include "soft_filter.h"
 
 
@@ -15,10 +15,10 @@ namespace fff
 {
 struct NormalizedFilter //grade-a filter: global/local filter settings combined, units resolved, ready for use
 {
-    NormalizedFilter(const HardFilter::FilterRef& hf, const SoftFilter& sf) : nameFilter(hf), timeSizeFilter(sf) {}
+    NormalizedFilter(const FilterRef& hf, const SoftFilter& sf) : nameFilter(hf), timeSizeFilter(sf) {}
 
     //"hard" filter: relevant during comparison, physically skips files
-    HardFilter::FilterRef nameFilter;
+    FilterRef nameFilter;
     //"soft" filter: relevant after comparison; equivalent to user selection
     SoftFilter timeSizeFilter;
 };
diff --git a/FreeFileSync/Source/base/parallel_scan.cpp b/FreeFileSync/Source/base/parallel_scan.cpp
index 9ffb5f67..35951a37 100755
--- a/FreeFileSync/Source/base/parallel_scan.cpp
+++ b/FreeFileSync/Source/base/parallel_scan.cpp
@@ -316,7 +316,7 @@ private:
 struct TraverserConfig
 {
     const AbstractPath baseFolderPath;  //thread-safe like an int! :)
-    const HardFilter::FilterRef filter; //always bound!
+    const FilterRef filter;
     const SymLinkHandling handleSymlinks;
 
     std::map<Zstring, std::wstring>& failedDirReads;
@@ -396,7 +396,7 @@ void DirCallback::onFile(const AFS::FileInfo& fi) //throw ThreadInterruption
 
     //------------------------------------------------------------------------------------
     //apply filter before processing (use relative name!)
-    if (!cfg_.filter->passFileFilter(fileRelPath))
+    if (!cfg_.filter.ref().passFileFilter(fileRelPath))
         return;
 
     //sync.ffs_db database and lock files are excluded via filter!
@@ -431,7 +431,7 @@ std::shared_ptr<AFS::TraverserCallback> DirCallback::onFolder(const AFS::FolderI
     //------------------------------------------------------------------------------------
     //apply filter before processing (use relative name!)
     bool childItemMightMatch = true;
-    const bool passFilter = cfg_.filter->passDirFilter(folderRelPath, &childItemMightMatch);
+    const bool passFilter = cfg_.filter.ref().passDirFilter(folderRelPath, &childItemMightMatch);
     if (!passFilter && !childItemMightMatch)
         return nullptr; //do NOT traverse subdirs
     //else: attention! ensure directory filtering is applied later to exclude actually filtered directories
@@ -473,7 +473,7 @@ DirCallback::HandleLink DirCallback::onSymlink(const AFS::SymlinkInfo& si) //thr
             return LINK_SKIP;
 
         case SymLinkHandling::DIRECT:
-            if (cfg_.filter->passFileFilter(linkRelPath)) //always use file filter: Link type may not be "stable" on Linux!
+            if (cfg_.filter.ref().passFileFilter(linkRelPath)) //always use file filter: Link type may not be "stable" on Linux!
             {
                 output_.addSubLink(si.itemName, LinkAttributes(si.modTime));
                 cfg_.acb.incItemsScanned(); //add 1 element to the progress indicator
@@ -483,10 +483,10 @@ DirCallback::HandleLink DirCallback::onSymlink(const AFS::SymlinkInfo& si) //thr
         case SymLinkHandling::FOLLOW:
             //filter symlinks before trying to follow them: handle user-excluded broken symlinks!
             //since we don't know yet what type the symlink will resolve to, only do this when both filter variants agree:
-            if (!cfg_.filter->passFileFilter(linkRelPath))
+            if (!cfg_.filter.ref().passFileFilter(linkRelPath))
             {
                 bool childItemMightMatch = true;
-                if (!cfg_.filter->passDirFilter(linkRelPath, &childItemMightMatch))
+                if (!cfg_.filter.ref().passDirFilter(linkRelPath, &childItemMightMatch))
                     if (!childItemMightMatch)
                         return LINK_SKIP;
             }
@@ -520,7 +520,7 @@ DirCallback::HandleError DirCallback::reportError(const std::wstring& msg, size_
 
 void fff::parallelDeviceTraversal(const std::set<DirectoryKey>& foldersToRead,
                                   std::map<DirectoryKey, DirectoryValue>& output,
-                                  const std::map<AbstractPath, size_t>& deviceParallelOps,
+                                  const std::map<AfsDevice, size_t>& deviceParallelOps,
                                   const TravErrorCb& onError, const TravStatusCb& onStatusUpdate,
                                   std::chrono::milliseconds cbInterval)
 {
@@ -530,10 +530,10 @@ void fff::parallelDeviceTraversal(const std::set<DirectoryKey>& foldersToRead,
     // => one worker thread *per device*: avoid excessive parallelism
     // => parallel folder traversal considers "parallel file operations" as specified by user
     // => (S)FTP: avoid hitting connection limits inadvertently
-    std::map<AbstractPath, std::set<DirectoryKey>> perDeviceFolders;
+    std::map<AfsDevice, std::set<DirectoryKey>> perDeviceFolders;
 
     for (const DirectoryKey& key : foldersToRead)
-        perDeviceFolders[AFS::getRootPath(key.folderPath)].insert(key);
+        perDeviceFolders[key.folderPath.afsDevice].insert(key);
 
     //communication channel used by threads
     AsyncCallback acb(perDeviceFolders.size() /*threadsToFinish*/, cbInterval); //manage life time: enclose InterruptibleThread's!!!
@@ -543,17 +543,17 @@ void fff::parallelDeviceTraversal(const std::set<DirectoryKey>& foldersToRead,
     ZEN_ON_SCOPE_FAIL( for (InterruptibleThread& wt : worker) wt.interrupt(); ); //interrupt all first, then join
 
     //init worker threads
-    for (const auto& [rootPath, dirKeys] : perDeviceFolders)
+    for (const auto& [afsDevice, dirKeys] : perDeviceFolders)
     {
         const int threadIdx = static_cast<int>(worker.size());
-        const size_t parallelOps = getDeviceParallelOps(deviceParallelOps, rootPath);
+        const size_t parallelOps = getDeviceParallelOps(deviceParallelOps, afsDevice);
 
         std::map<DirectoryKey, DirectoryValue*> workload;
 
         for (const DirectoryKey& key : dirKeys)
             workload.emplace(key, &output[key]); //=> DirectoryValue* unshared for lock-free worker-thread access
 
-        worker.emplace_back([rootPath = rootPath /*clang bug :>*/, workload, threadIdx, &acb, parallelOps]() mutable
+        worker.emplace_back([afsDevice = afsDevice /*clang bug :>*/, workload, threadIdx, &acb, parallelOps]() mutable
         {
             setCurrentThreadName(("Comp Worker[" + numberTo<std::string>(threadIdx) + "]").c_str());
 
@@ -566,11 +566,10 @@ void fff::parallelDeviceTraversal(const std::set<DirectoryKey>& foldersToRead,
 
             for (auto& [folderKey, folderVal] : workload)
             {
-                const std::vector<Zstring> relPath = split(AFS::getRootRelativePath(folderKey.folderPath), FILE_NAME_SEPARATOR, SplitType::SKIP_EMPTY);
-                assert(AFS::getRootPath(folderKey.folderPath) == rootPath);
-                travWorkload.emplace_back(relPath, std::make_shared<BaseDirCallback>(folderKey, *folderVal, acb, threadIdx, lastReportTime));
+                assert(folderKey.folderPath.afsDevice == afsDevice);
+                travWorkload.emplace_back(folderKey.folderPath.afsPath, std::make_shared<BaseDirCallback>(folderKey, *folderVal, acb, threadIdx, lastReportTime));
             }
-            AFS::traverseFolderRecursive(rootPath, travWorkload, parallelOps); //throw ThreadInterruption
+            AFS::traverseFolderRecursive(afsDevice, travWorkload, parallelOps); //throw ThreadInterruption
         });
     }
 
diff --git a/FreeFileSync/Source/base/parallel_scan.h b/FreeFileSync/Source/base/parallel_scan.h
index dbb0c1d9..71dfd586 100755
--- a/FreeFileSync/Source/base/parallel_scan.h
+++ b/FreeFileSync/Source/base/parallel_scan.h
@@ -10,7 +10,7 @@
 #include <map>
 #include <set>
 #include <chrono>
-#include "hard_filter.h"
+#include "path_filter.h"
 #include "structures.h"
 #include "file_hierarchy.h"
 
@@ -20,7 +20,7 @@ namespace fff
 struct DirectoryKey
 {
     AbstractPath folderPath;
-    HardFilter::FilterRef filter; //always bound by design!
+    FilterRef filter;
     SymLinkHandling handleSymlinks = SymLinkHandling::EXCLUDE;
 };
 
@@ -31,11 +31,11 @@ bool operator<(const DirectoryKey& lhs, const DirectoryKey& rhs)
     if (lhs.handleSymlinks != rhs.handleSymlinks)
         return lhs.handleSymlinks < rhs.handleSymlinks;
 
-    const int cmp = AbstractFileSystem::compareAbstractPath(lhs.folderPath, rhs.folderPath);
+    const int cmp = AbstractFileSystem::comparePath(lhs.folderPath, rhs.folderPath);
     if (cmp != 0)
         return cmp < 0;
 
-    return *lhs.filter < *rhs.filter;
+    return lhs.filter.ref() < rhs.filter.ref();
 }
 
 
@@ -51,15 +51,15 @@ struct DirectoryValue
 };
 
 
-//attention: ensure directory filtering is applied later to exclude filtered folders which have been kept as parent folders
-
+//Attention: 1. ensure directory filtering is applied later to exclude filtered folders which have been kept as parent folders
+//           2. remove folder aliases (e.g. case differences) *before* calling this function!!!
 
 using TravErrorCb  = std::function<AFS::TraverserCallback::HandleError(const std::wstring& msg,        size_t retryNumber)>;
 using TravStatusCb = std::function<                              void (const std::wstring& statusLine, int     itemsTotal)>;
 
 void parallelDeviceTraversal(const std::set<DirectoryKey>& foldersToRead,
                              std::map<DirectoryKey, DirectoryValue>& output,
-                             const std::map<AbstractPath, size_t>& deviceParallelOps,
+                             const std::map<AfsDevice, size_t>& deviceParallelOps,
                              const TravErrorCb& onError, const TravStatusCb& onStatusUpdate, //NOT optional
                              std::chrono::milliseconds cbInterval);
 }
diff --git a/FreeFileSync/Source/base/parse_lng.h b/FreeFileSync/Source/base/parse_lng.h
index c282c2de..e1e5e57d 100755
--- a/FreeFileSync/Source/base/parse_lng.h
+++ b/FreeFileSync/Source/base/parse_lng.h
@@ -249,7 +249,7 @@ public:
     Token getNextToken()
     {
         //skip whitespace
-        pos_ = std::find_if(pos_, stream_.end(), std::not_fn(zen::isWhiteSpace<char>));
+        pos_ = std::find_if_not(pos_, stream_.end(), zen::isWhiteSpace<char>);
 
         if (pos_ == stream_.end())
             return Token(Token::TK_END);
diff --git a/FreeFileSync/Source/base/parse_plural.h b/FreeFileSync/Source/base/parse_plural.h
index e735c421..d80a0dca 100755
--- a/FreeFileSync/Source/base/parse_plural.h
+++ b/FreeFileSync/Source/base/parse_plural.h
@@ -211,7 +211,7 @@ public:
     Token getNextToken() //throw ParsingError
     {
         //skip whitespace
-        pos_ = std::find_if(pos_, stream_.end(), std::not_fn(zen::isWhiteSpace<char>));
+        pos_ = std::find_if_not(pos_, stream_.end(), zen::isWhiteSpace<char>);
 
         if (pos_ == stream_.end())
             return Token::TK_END;
@@ -223,7 +223,7 @@ public:
                 return Token(tokenEnum);
             }
 
-        auto digitEnd = std::find_if(pos_, stream_.end(), std::not_fn(zen::isDigit<char>));
+        auto digitEnd = std::find_if_not(pos_, stream_.end(), zen::isDigit<char>);
         if (pos_ == digitEnd)
             throw ParsingError(); //unknown token
 
diff --git a/FreeFileSync/Source/base/path_filter.cpp b/FreeFileSync/Source/base/path_filter.cpp
new file mode 100755
index 00000000..79cb4a0f
--- /dev/null
+++ b/FreeFileSync/Source/base/path_filter.cpp
@@ -0,0 +1,366 @@
+// *****************************************************************************
+// * This file is part of the FreeFileSync project. It is distributed under    *
+// * GNU General Public License: https://www.gnu.org/licenses/gpl-3.0          *
+// * Copyright (C) Zenju (zenju AT freefilesync DOT org) - All Rights Reserved *
+// *****************************************************************************
+
+#include "path_filter.h"
+#include <set>
+#include <stdexcept>
+#include <vector>
+#include <typeinfo>
+#include <iterator>
+
+using namespace zen;
+using namespace fff;
+
+
+bool fff::operator<(const PathFilter& lhs, const PathFilter& rhs)
+{
+    if (typeid(lhs) != typeid(rhs))
+        return typeid(lhs).before(typeid(rhs)); //in worst case, order is guaranteed to be stable only during each program run
+
+    //lhs, rhs have same type:
+    return lhs.cmpLessSameType(rhs);
+}
+
+
+namespace
+{
+//constructing Zstrings of these in addFilterEntry becomes perf issue for large filter lists => use global POD!
+const Zchar sepAsterisk[] = Zstr("/*");
+const Zchar asteriskSep[] = Zstr("*/");
+static_assert(FILE_NAME_SEPARATOR == '/');
+
+
+void addFilterEntry(const Zstring& filterPhrase, std::vector<Zstring>& masksFileFolder, std::vector<Zstring>& masksFolder)
+{
+    warn_static("3. ignore path separator => bug regarding copyFilterAddingExclusion() after failed directory reads when dir has path separator from other OS in name")
+
+    //normalize filter input: 1. ignore Unicode normalization form 2. ignore case 3. ignore path separator
+    Zstring filterFmt = makeUpperCopy(filterPhrase);
+    if constexpr (FILE_NAME_SEPARATOR != Zstr('/' )) replace(filterFmt, Zstr('/'),  FILE_NAME_SEPARATOR);
+    if constexpr (FILE_NAME_SEPARATOR != Zstr('\\')) replace(filterFmt, Zstr('\\'), FILE_NAME_SEPARATOR);
+    /*
+      phrase  | action
+    +---------+--------
+    | \blah   | remove \
+    | \*blah  | remove \
+    | \*\blah | remove \
+    | \*\*    | remove \
+    +---------+--------
+    | *blah   |
+    | *\blah  | -> add blah
+    | *\*blah | -> add *blah
+    +---------+--------
+    | blah\   | remove \; folder only
+    | blah*\  | remove \; folder only
+    | blah\*\ | remove \; folder only
+    +---------+--------
+    | blah*   |
+    | blah\*  | remove \*; folder only
+    | blah*\* | remove \*; folder only
+    +---------+--------
+    */
+    auto processTail = [&masksFileFolder, &masksFolder](const Zstring& phrase)
+    {
+        if (endsWith(phrase, FILE_NAME_SEPARATOR) || //only relevant for folder filtering
+            endsWith(phrase, sepAsterisk)) // abc\*
+        {
+            const Zstring dirPhrase = beforeLast(phrase, FILE_NAME_SEPARATOR, IF_MISSING_RETURN_NONE);
+            if (!dirPhrase.empty())
+                masksFolder.push_back(dirPhrase);
+        }
+        else if (!phrase.empty())
+            masksFileFolder.push_back(phrase);
+    };
+
+    if (startsWith(filterFmt, FILE_NAME_SEPARATOR)) // \abc
+        processTail(afterFirst(filterFmt, FILE_NAME_SEPARATOR, IF_MISSING_RETURN_NONE));
+    else
+    {
+        processTail(filterFmt);
+        if (startsWith(filterFmt, asteriskSep)) // *\abc
+            processTail(afterFirst(filterFmt, asteriskSep, IF_MISSING_RETURN_NONE));
+    }
+}
+
+
+template <class Char> inline
+const Char* cStringFind(const Char* str, Char ch) //= strchr(), wcschr()
+{
+    for (;;)
+    {
+        const Char s = *str;
+        if (s == ch) //ch is allowed to be 0 by contract! must return end of string in this case
+            return str;
+
+        if (s == 0)
+            return nullptr;
+        ++str;
+    }
+}
+
+
+/*
+struct FullMatch
+{
+    static bool matchesMaskEnd (const Zchar* path) { return *path == 0; }
+    static bool matchesMaskStar(const Zchar* path) { return true; }
+};
+*/
+
+struct ParentFolderMatch //strict match of parent folder path!
+{
+    static bool matchesMaskEnd (const Zchar* path) { return *path == FILE_NAME_SEPARATOR; }
+    static bool matchesMaskStar(const Zchar* path) { return cStringFind(path, FILE_NAME_SEPARATOR) != nullptr; }
+};
+
+struct AnyMatch
+{
+    static bool matchesMaskEnd (const Zchar* path) { return *path == 0 || *path == FILE_NAME_SEPARATOR; }
+    static bool matchesMaskStar(const Zchar* path) { return true; }
+};
+
+
+template <class PathEndMatcher>
+bool matchesMask(const Zchar* path, const Zchar* mask)
+{
+    for (;; ++mask, ++path)
+    {
+        Zchar m = *mask;
+        switch (m)
+        {
+            case 0:
+                return PathEndMatcher::matchesMaskEnd(path);
+
+            case Zstr('?'):
+                if (*path == 0)
+                    return false;
+                break;
+
+            case Zstr('*'):
+                do //advance mask to next non-* char
+                {
+                    m = *++mask;
+                }
+                while (m == Zstr('*'));
+
+                if (m == 0) //mask ends with '*':
+                    return PathEndMatcher::matchesMaskStar(path);
+
+                //*? - pattern
+                if (m == Zstr('?'))
+                {
+                    ++mask;
+                    while (*path++ != 0)
+                        if (matchesMask<PathEndMatcher>(path, mask))
+                            return true;
+                    return false;
+                }
+
+                //*[letter] - pattern
+                ++mask;
+                for (;;)
+                {
+                    path = cStringFind(path, m);
+                    if (!path)
+                        return false;
+
+                    ++path;
+                    if (matchesMask<PathEndMatcher>(path, mask))
+                        return true;
+                }
+
+            default:
+                if (*path != m)
+                    return false;
+        }
+    }
+}
+
+
+//returns true if string matches at least the beginning of mask
+inline
+bool matchesMaskBegin(const Zchar* str, const Zchar* mask)
+{
+    for (;; ++mask, ++str)
+    {
+        const Zchar m = *mask;
+        switch (m)
+        {
+            case 0:
+                return *str == 0;
+
+            case Zstr('?'):
+                if (*str == 0)
+                    return true;
+                break;
+
+            case Zstr('*'):
+                return true;
+
+            default:
+                if (*str != m)
+                    return *str == 0;
+        }
+    }
+}
+
+
+template <class PathEndMatcher> inline
+bool matchesMask(const Zstring& name, const std::vector<Zstring>& masks)
+{
+    return std::any_of(masks.begin(), masks.end(), [&](const Zstring& mask) { return matchesMask<PathEndMatcher>(name.c_str(), mask.c_str()); });
+}
+
+
+inline
+bool matchesMaskBegin(const Zstring& name, const std::vector<Zstring>& masks)
+{
+    return std::any_of(masks.begin(), masks.end(), [&](const Zstring& mask) { return matchesMaskBegin(name.c_str(), mask.c_str()); });
+}
+}
+
+
+std::vector<Zstring> fff::splitByDelimiter(const Zstring& filterPhrase)
+{
+    //delimiters may be FILTER_ITEM_SEPARATOR or '\n'
+    std::vector<Zstring> output;
+
+    for (const Zstring& str : split(filterPhrase, FILTER_ITEM_SEPARATOR, SplitType::SKIP_EMPTY)) //split by less common delimiter first (create few, large strings)
+        for (Zstring entry : split(str, Zstr('\n'), SplitType::SKIP_EMPTY))
+        {
+            trim(entry);
+            if (!entry.empty())
+                output.push_back(std::move(entry));
+        }
+
+    return output;
+}
+
+//#################################################################################################
+
+NameFilter::NameFilter(const Zstring& includePhrase, const Zstring& excludePhrase)
+{
+    //setup include/exclude filters for files and directories
+    for (const Zstring& entry : splitByDelimiter(includePhrase)) addFilterEntry(entry, includeMasksFileFolder, includeMasksFolder);
+    for (const Zstring& entry : splitByDelimiter(excludePhrase)) addFilterEntry(entry, excludeMasksFileFolder, excludeMasksFolder);
+
+    removeDuplicates(includeMasksFileFolder);
+    removeDuplicates(includeMasksFolder);
+    removeDuplicates(excludeMasksFileFolder);
+    removeDuplicates(excludeMasksFolder);
+}
+
+
+void NameFilter::addExclusion(const Zstring& excludePhrase)
+{
+    for (const Zstring& entry : splitByDelimiter(excludePhrase)) addFilterEntry(entry, excludeMasksFileFolder, excludeMasksFolder);
+
+    removeDuplicates(excludeMasksFileFolder);
+    removeDuplicates(excludeMasksFolder);
+}
+
+
+bool NameFilter::passFileFilter(const Zstring& relFilePath) const
+{
+    assert(!startsWith(relFilePath, FILE_NAME_SEPARATOR));
+
+    //normalize input: 1. ignore Unicode normalization form 2. ignore case
+    const Zstring& pathFmt = makeUpperCopy(relFilePath);
+
+    if (matchesMask<AnyMatch         >(pathFmt, excludeMasksFileFolder) || //either full match on file or partial match on any parent folder
+        matchesMask<ParentFolderMatch>(pathFmt, excludeMasksFolder))       //partial match on any parent folder only
+        return false;
+
+    return matchesMask<AnyMatch         >(pathFmt, includeMasksFileFolder) ||
+           matchesMask<ParentFolderMatch>(pathFmt, includeMasksFolder);
+}
+
+
+bool NameFilter::passDirFilter(const Zstring& relDirPath, bool* childItemMightMatch) const
+{
+    assert(!startsWith(relDirPath, FILE_NAME_SEPARATOR));
+    assert(!childItemMightMatch || *childItemMightMatch); //check correct usage
+
+    //normalize input: 1. ignore Unicode normalization form 2. ignore case
+    const Zstring& pathFmt = makeUpperCopy(relDirPath);
+
+    if (matchesMask<AnyMatch>(pathFmt, excludeMasksFileFolder) ||
+        matchesMask<AnyMatch>(pathFmt, excludeMasksFolder))
+    {
+        if (childItemMightMatch)
+            *childItemMightMatch = false; //perf: no need to traverse deeper; subfolders/subfiles would be excluded by filter anyway!
+        /*
+        Attention: the design choice that "childItemMightMatch" is optional implies that the filter must provide correct results no matter if this
+        value is considered by the client!
+        In particular, if *childItemMightMatch == false, then any filter evaluations for child items must also return "false"!
+        This is not a problem for folder traversal which stops at the first *childItemMightMatch == false anyway, but other code continues recursing further,
+        e.g. the database update code in db_file.cpp recurses unconditionally without filter check! It's possible to construct edge cases with incorrect
+        behavior if "childItemMightMatch" were not optional:
+            1. two folders including a subfolder with some files are in sync with up-to-date database files
+            2. deny access to this subfolder on both sides and start sync ignoring errors
+            3. => database entries of this subfolder are incorrectly deleted! (if sub-folder is excluded, but child items are not!)
+        */
+        return false;
+    }
+
+    if (!matchesMask<AnyMatch>(pathFmt, includeMasksFileFolder) &&
+        !matchesMask<AnyMatch>(pathFmt, includeMasksFolder))
+    {
+        if (childItemMightMatch)
+        {
+            const Zstring& childPathBegin = pathFmt + FILE_NAME_SEPARATOR;
+
+            *childItemMightMatch = matchesMaskBegin(childPathBegin, includeMasksFileFolder) || //might match a file  or folder in subdirectory
+                                   matchesMaskBegin(childPathBegin, includeMasksFolder);       //
+        }
+        return false;
+    }
+
+    return true;
+}
+
+
+bool NameFilter::isNull(const Zstring& includePhrase, const Zstring& excludePhrase)
+{
+    const Zstring include = trimCpy(includePhrase);
+    const Zstring exclude = trimCpy(excludePhrase);
+
+    return include == Zstr("*") && exclude.empty();
+    //return NameFilter(includePhrase, excludePhrase).isNull(); -> very expensive for huge lists
+}
+
+
+bool NameFilter::isNull() const
+{
+    return includeMasksFileFolder.size() == 1 && includeMasksFileFolder[0] == Zstr("*") &&
+           includeMasksFolder    .empty() &&
+           excludeMasksFileFolder.empty() &&
+           excludeMasksFolder    .empty();
+    //avoid static non-POD null-NameFilter instance; instead test manually and verify function on startup:
+}
+
+
+
+bool NameFilter::cmpLessSameType(const PathFilter& other) const
+{
+    assert(typeid(*this) == typeid(other)); //always given in this context!
+
+    const NameFilter& otherNameFilt = static_cast<const NameFilter&>(other);
+
+    if (includeMasksFileFolder != otherNameFilt.includeMasksFileFolder)
+        return includeMasksFileFolder < otherNameFilt.includeMasksFileFolder;
+
+    if (includeMasksFolder != otherNameFilt.includeMasksFolder)
+        return includeMasksFolder < otherNameFilt.includeMasksFolder;
+
+    if (excludeMasksFileFolder != otherNameFilt.excludeMasksFileFolder)
+        return excludeMasksFileFolder < otherNameFilt.excludeMasksFileFolder;
+
+    if (excludeMasksFolder != otherNameFilt.excludeMasksFolder)
+        return excludeMasksFolder < otherNameFilt.excludeMasksFolder;
+
+    return false; //all equal
+}
diff --git a/FreeFileSync/Source/base/path_filter.h b/FreeFileSync/Source/base/path_filter.h
new file mode 100755
index 00000000..0b80fbce
--- /dev/null
+++ b/FreeFileSync/Source/base/path_filter.h
@@ -0,0 +1,239 @@
+// *****************************************************************************
+// * This file is part of the FreeFileSync project. It is distributed under    *
+// * GNU General Public License: https://www.gnu.org/licenses/gpl-3.0          *
+// * Copyright (C) Zenju (zenju AT freefilesync DOT org) - All Rights Reserved *
+// *****************************************************************************
+
+#ifndef HARD_FILTER_H_825780275842758345
+#define HARD_FILTER_H_825780275842758345
+
+#include <vector>
+#include <memory>
+#include <zen/zstring.h>
+
+
+namespace fff
+{
+//------------------------------------------------------------------
+/*
+Semantics of PathFilter:
+1. using it creates a NEW folder hierarchy! -> must be considered by <Two way> variant!
+2. it applies equally to both sides => it always matches either both sides or none! => can be used while traversing a single folder!
+
+    class hierarchy:
+
+           PathFilter (interface)
+               /|\
+       _________|_____________
+      |         |             |
+NullFilter  NameFilter  CombinedFilter
+*/
+class PathFilter;
+using FilterRef = zen::SharedRef<const PathFilter>; //always bound by design! Thread-safety: internally synchronized!
+
+class PathFilter //interface for filtering
+{
+public:
+    virtual ~PathFilter() {}
+
+    virtual bool passFileFilter(const Zstring& relFilePath) const = 0;
+    virtual bool passDirFilter (const Zstring& relDirPath, bool* childItemMightMatch) const = 0;
+    //childItemMightMatch: file/dir in subdirectories could(!) match
+    //note: this hint is only set if passDirFilter returns false!
+
+    virtual bool isNull() const = 0; //filter is equivalent to NullFilter
+
+    virtual FilterRef copyFilterAddingExclusion(const Zstring& excludePhrase) const = 0;
+
+private:
+    friend bool operator<(const PathFilter& lhs, const PathFilter& rhs);
+
+    virtual bool cmpLessSameType(const PathFilter& other) const = 0; //typeid(*this) == typeid(other) in this context!
+};
+
+bool operator<(const PathFilter& lhs, const PathFilter& rhs); //GCC: friend-declaration is not a "proper" declaration
+inline bool operator==(const PathFilter& lhs, const PathFilter& rhs) { return !(lhs < rhs) && !(rhs < lhs); }
+inline bool operator!=(const PathFilter& lhs, const PathFilter& rhs) { return !(lhs == rhs); }
+
+
+//small helper method: merge two hard filters (thereby remove Null-filters)
+FilterRef combineFilters(const FilterRef& first, const FilterRef& second);
+
+
+class NullFilter : public PathFilter //no filtering at all
+{
+public:
+    bool passFileFilter(const Zstring& relFilePath) const override { return true; }
+    bool passDirFilter(const Zstring& relDirPath, bool* childItemMightMatch) const override;
+    bool isNull() const override { return true; }
+    FilterRef copyFilterAddingExclusion(const Zstring& excludePhrase) const override;
+
+private:
+    bool cmpLessSameType(const PathFilter& other) const override;
+};
+
+
+class NameFilter : public PathFilter //filter by base-relative file path
+{
+public:
+    NameFilter(const Zstring& includePhrase, const Zstring& excludePhrase);
+
+    void addExclusion(const Zstring& excludePhrase);
+
+    bool passFileFilter(const Zstring& relFilePath) const override;
+    bool passDirFilter(const Zstring& relDirPath, bool* childItemMightMatch) const override;
+
+    bool isNull() const override;
+    static bool isNull(const Zstring& includePhrase, const Zstring& excludePhrase); //*fast* check without expensive NameFilter construction!
+    FilterRef copyFilterAddingExclusion(const Zstring& excludePhrase) const override;
+
+private:
+    bool cmpLessSameType(const PathFilter& other) const override;
+
+    std::vector<Zstring> includeMasksFileFolder; //
+    std::vector<Zstring> includeMasksFolder;     //upper-case + Unicode-normalized by construction
+    std::vector<Zstring> excludeMasksFileFolder; //
+    std::vector<Zstring> excludeMasksFolder;     //
+};
+
+
+class CombinedFilter : public PathFilter //combine two filters to match if and only if both match
+{
+public:
+    CombinedFilter(const NameFilter& first, const NameFilter& second) : first_(first), second_(second) { assert(!first.isNull() && !second.isNull()); } //if either is null, then wy use CombinedFilter?
+
+    bool passFileFilter(const Zstring& relFilePath) const override;
+    bool passDirFilter(const Zstring& relDirPath, bool* childItemMightMatch) const override;
+    bool isNull() const override;
+    FilterRef copyFilterAddingExclusion(const Zstring& excludePhrase) const override;
+
+private:
+    bool cmpLessSameType(const PathFilter& other) const override;
+
+    const NameFilter first_;
+    const NameFilter second_;
+};
+
+const Zchar FILTER_ITEM_SEPARATOR = Zstr('|');
+
+
+
+
+
+//--------------- inline implementation ---------------------------------------
+inline
+bool NullFilter::passDirFilter(const Zstring& relDirPath, bool* childItemMightMatch) const
+{
+    assert(!childItemMightMatch || *childItemMightMatch); //check correct usage
+    return true;
+}
+
+
+inline
+bool NullFilter::cmpLessSameType(const PathFilter& other) const
+{
+    assert(typeid(*this) == typeid(other)); //always given in this context!
+    return false;
+}
+
+
+inline
+FilterRef NullFilter::copyFilterAddingExclusion(const Zstring& excludePhrase) const
+{
+    auto filter = zen::makeSharedRef<NameFilter>(Zstr("*"), excludePhrase);
+    if (filter.ref().isNull())
+        return zen::makeSharedRef<const NullFilter>();
+    return filter;
+}
+
+
+inline
+FilterRef NameFilter::copyFilterAddingExclusion(const Zstring& excludePhrase) const
+{
+    auto tmp = zen::makeSharedRef<NameFilter>(*this);
+    tmp.ref().addExclusion(excludePhrase);
+    return tmp;
+}
+
+
+inline
+bool CombinedFilter::passFileFilter(const Zstring& relFilePath) const
+{
+    return first_ .passFileFilter(relFilePath) && //short-circuit behavior
+           second_.passFileFilter(relFilePath);
+}
+
+
+inline
+bool CombinedFilter::passDirFilter(const Zstring& relDirPath, bool* childItemMightMatch) const
+{
+    if (first_.passDirFilter(relDirPath, childItemMightMatch))
+        return second_.passDirFilter(relDirPath, childItemMightMatch);
+    else
+    {
+        if (childItemMightMatch && *childItemMightMatch)
+            second_.passDirFilter(relDirPath, childItemMightMatch);
+        return false;
+    }
+}
+
+
+inline
+bool CombinedFilter::isNull() const
+{
+    return first_.isNull() && second_.isNull();
+}
+
+
+inline
+FilterRef CombinedFilter::copyFilterAddingExclusion(const Zstring& excludePhrase) const
+{
+    NameFilter tmp(first_);
+    tmp.addExclusion(excludePhrase);
+
+    return zen::makeSharedRef<CombinedFilter>(tmp, second_);
+}
+
+
+inline
+bool CombinedFilter::cmpLessSameType(const PathFilter& other) const
+{
+    assert(typeid(*this) == typeid(other)); //always given in this context!
+
+    const CombinedFilter& otherCombFilt = static_cast<const CombinedFilter&>(other);
+
+    if (first_ != otherCombFilt.first_)
+        return first_ < otherCombFilt.first_;
+
+    return second_ < otherCombFilt.second_;
+}
+
+
+inline
+FilterRef constructFilter(const Zstring& includePhrase,
+                          const Zstring& excludePhrase,
+                          const Zstring& includePhrase2,
+                          const Zstring& excludePhrase2)
+{
+    if (NameFilter::isNull(includePhrase, Zstring()))
+    {
+        auto filterTmp = zen::makeSharedRef<NameFilter>(includePhrase2, excludePhrase + Zstr("\n") + excludePhrase2);
+        if (filterTmp.ref().isNull())
+            return zen::makeSharedRef<NullFilter>();
+
+        return filterTmp;
+    }
+    else
+    {
+        if (NameFilter::isNull(includePhrase2, Zstring()))
+            return zen::makeSharedRef<NameFilter>(includePhrase, excludePhrase + Zstr("\n") + excludePhrase2);
+        else
+            return zen::makeSharedRef<CombinedFilter>(NameFilter(includePhrase, excludePhrase + Zstr("\n") + excludePhrase2), NameFilter(includePhrase2, Zstring()));
+    }
+}
+
+
+std::vector<Zstring> splitByDelimiter(const Zstring& filterPhrase); //keep external linkage for unit test
+}
+
+#endif //HARD_FILTER_H_825780275842758345
diff --git a/FreeFileSync/Source/base/perf_check.cpp b/FreeFileSync/Source/base/perf_check.cpp
index 7ea523e8..9493a8a2 100755
--- a/FreeFileSync/Source/base/perf_check.cpp
+++ b/FreeFileSync/Source/base/perf_check.cpp
@@ -67,7 +67,7 @@ std::optional<std::wstring> PerfCheck::getBytesPerSecond() const
     const auto [timeDelta, itemsDelta, bytesDelta] = getBlockDeltas(windowSizeSpeed_);
 
     if (!numeric::isNull(timeDelta))
-        return formatFilesizeShort(numeric::round(bytesDelta / timeDelta)) + _("/sec");
+        return replaceCpy(_("%x/sec"), L"%x", formatFilesizeShort(numeric::round(bytesDelta / timeDelta)));
 
     return {};
 }
@@ -78,7 +78,7 @@ std::optional<std::wstring> PerfCheck::getItemsPerSecond() const
     const auto [timeDelta, itemsDelta, bytesDelta] = getBlockDeltas(windowSizeSpeed_);
 
     if (!numeric::isNull(timeDelta))
-        return replaceCpy(_("%x items/sec"), L"%x", formatTwoDigitPrecision(itemsDelta / timeDelta));
+        return replaceCpy(_("%x/sec"), L"%x", replaceCpy(_("%x items"), L"%x", formatTwoDigitPrecision(itemsDelta / timeDelta)));
 
     return {};
 }
diff --git a/FreeFileSync/Source/base/process_xml.cpp b/FreeFileSync/Source/base/process_xml.cpp
index e3d1b89f..b8081253 100755
--- a/FreeFileSync/Source/base/process_xml.cpp
+++ b/FreeFileSync/Source/base/process_xml.cpp
@@ -999,7 +999,7 @@ void readConfig(const XmlIn& in, DirectionConfig& dirCfg)
 }
 
 
-void readConfig(const XmlIn& in, SyncConfig& syncCfg, std::map<AbstractPath, size_t>& deviceParallelOps, int formatVer)
+void readConfig(const XmlIn& in, SyncConfig& syncCfg, std::map<AfsDevice, size_t>& deviceParallelOps, int formatVer)
 {
     readConfig(in, syncCfg.directionCfg);
 
@@ -1086,7 +1086,7 @@ void readConfig(const XmlIn& in, FilterConfig& filter, int formatVer)
 }
 
 
-void readConfig(const XmlIn& in, LocalPairConfig& lpc, std::map<AbstractPath, size_t>& deviceParallelOps, int formatVer)
+void readConfig(const XmlIn& in, LocalPairConfig& lpc, std::map<AfsDevice, size_t>& deviceParallelOps, int formatVer)
 {
     //read folder pairs
     in["Left" ](lpc.folderPathPhraseLeft);
@@ -1884,7 +1884,7 @@ void writeConfig(const DirectionConfig& dirCfg, XmlOut& out)
 }
 
 
-void writeConfig(const SyncConfig& syncCfg, const std::map<AbstractPath, size_t>& deviceParallelOps, XmlOut& out)
+void writeConfig(const SyncConfig& syncCfg, const std::map<AfsDevice, size_t>& deviceParallelOps, XmlOut& out)
 {
     writeConfig(syncCfg.directionCfg, out);
 
@@ -1921,7 +1921,7 @@ void writeConfig(const FilterConfig& filter, XmlOut& out)
 }
 
 
-void writeConfig(const LocalPairConfig& lpc, const std::map<AbstractPath, size_t>& deviceParallelOps, XmlOut& out)
+void writeConfig(const LocalPairConfig& lpc, const std::map<AfsDevice, size_t>& deviceParallelOps, XmlOut& out)
 {
     XmlOut outPair = out.ref().addChild("Pair");
 
diff --git a/FreeFileSync/Source/base/resolve_path.cpp b/FreeFileSync/Source/base/resolve_path.cpp
index 49699fa4..b43d3463 100755
--- a/FreeFileSync/Source/base/resolve_path.cpp
+++ b/FreeFileSync/Source/base/resolve_path.cpp
@@ -61,7 +61,7 @@ Zstring resolveRelativePath(const Zstring& relativePath)
 
             if (startsWith(relativePath, "~/"))
                 return appendSeparator(*homeDir) + afterFirst(relativePath, '/', IF_MISSING_RETURN_NONE);
-            else if (relativePath == "~")
+            else //relativePath == "~"
                 return *homeDir;
         }
 
@@ -173,7 +173,7 @@ Zstring expandVolumeName(Zstring pathPhrase)  // [volname]:\folder       [volnam
 }
 
 
-void getDirectoryAliasesRecursive(const Zstring& pathPhrase, std::set<Zstring, LessFilePath>& output)
+void getFolderAliasesRecursive(const Zstring& pathPhrase, std::set<Zstring, LessNativePath>& output)
 {
 
     //3. environment variables: C:\Users\<user> -> %UserProfile%
@@ -203,20 +203,20 @@ void getDirectoryAliasesRecursive(const Zstring& pathPhrase, std::set<Zstring, L
         const Zstring pathExp = fff::expandMacros(pathPhrase);
         if (pathExp != pathPhrase)
             if (output.insert(pathExp).second)
-                getDirectoryAliasesRecursive(pathExp, output); //recurse!
+                getFolderAliasesRecursive(pathExp, output); //recurse!
     }
 }
 }
 
 
-std::vector<Zstring> fff::getDirectoryAliases(const Zstring& folderPathPhrase)
+std::vector<Zstring> fff::getFolderPathAliases(const Zstring& folderPathPhrase)
 {
-    const Zstring dirPath = trimCpy(folderPathPhrase, true, false);
+    const Zstring dirPath = trimCpy(folderPathPhrase);
     if (dirPath.empty())
         return {};
 
-    std::set<Zstring, LessFilePath> tmp;
-    getDirectoryAliasesRecursive(dirPath, tmp);
+    std::set<Zstring, LessNativePath> tmp;
+    getFolderAliasesRecursive(dirPath, tmp);
 
     tmp.erase(dirPath);
     tmp.erase(Zstring());
@@ -233,9 +233,7 @@ Zstring fff::getResolvedFilePath(const Zstring& pathPhrase) //noexcept
     path = expandMacros(path); //expand before trimming!
 
     //remove leading/trailing whitespace before allowing misinterpretation in applyLongPathPrefix()
-    trim(path, true, false);
-    //don't remove all whitespace from right, e.g. 0xa0 may be used as part of a folder name
-    trim(path, false, true, [](Zchar c) { return c == Zstr(' '); });
+    trim(path); //attention: don't remove all whitespace from right, e.g. 0xa0 may be used as part of a folder name
 
 
     path = expandVolumeName(path); //may block for slow USB sticks and idle HDDs!
diff --git a/FreeFileSync/Source/base/resolve_path.h b/FreeFileSync/Source/base/resolve_path.h
index dc23d1de..8b8f131e 100755
--- a/FreeFileSync/Source/base/resolve_path.h
+++ b/FreeFileSync/Source/base/resolve_path.h
@@ -27,7 +27,7 @@ Zstring getResolvedFilePath(const Zstring& pathPhrase); //noexcept
 //macro substitution only
 Zstring expandMacros(const Zstring& text);
 
-std::vector<Zstring> getDirectoryAliases(const Zstring& folderPathPhrase); //may block for slow USB sticks when resolving [<volume name>]
+std::vector<Zstring> getFolderPathAliases(const Zstring& folderPathPhrase); //may block for slow USB sticks when resolving [<volume name>]
 
 }
 
diff --git a/FreeFileSync/Source/base/status_handler_impl.h b/FreeFileSync/Source/base/status_handler_impl.h
index af578b82..bf4d7789 100755
--- a/FreeFileSync/Source/base/status_handler_impl.h
+++ b/FreeFileSync/Source/base/status_handler_impl.h
@@ -390,15 +390,15 @@ struct ParallelContext
 namespace
 {
 void massParallelExecute(const std::vector<std::pair<AbstractPath, ParallelWorkItem>>& workload,
-                         const std::map<AbstractPath, size_t>& deviceParallelOps,
+                         const std::map<AfsDevice, size_t>& deviceParallelOps,
                          const std::string& threadGroupName,
                          ProcessCallback& callback /*throw X*/)
 {
     using namespace zen;
 
-    std::map<AbstractPath, std::vector<const std::pair<AbstractPath, ParallelWorkItem>*>> perDeviceWorkload;
+    std::map<AfsDevice, std::vector<const std::pair<AbstractPath, ParallelWorkItem>*>> perDeviceWorkload;
     for (const auto& item : workload)
-        perDeviceWorkload[AFS::getRootPath(item.first)].push_back(&item);
+        perDeviceWorkload[item.first.afsDevice].push_back(&item);
 
     struct ThreadGroupContext
     {
@@ -412,29 +412,29 @@ void massParallelExecute(const std::vector<std::pair<AbstractPath, ParallelWorkI
 
     AsyncCallback acb;                                            //manage life time: enclose ThreadGroup's!!!
     std::atomic<int> activeDeviceCount(perDeviceWorkload.size()); //
-    Protected<std::map<AbstractPath, ThreadGroupContext>*> deviceThreadGroupsShared; //
+    Protected<std::map<AfsDevice, ThreadGroupContext>*> deviceThreadGroupsShared; //
 
     //---------------------------------------------------------------------------------------------------------
 
-    std::map<AbstractPath, ThreadGroupContext> deviceThreadGroups; //worker threads live here...
+    std::map<AfsDevice, ThreadGroupContext> deviceThreadGroups; //worker threads live here...
 
     //---------------------------------------------------------------------------------------------------------
     //Attention: carefully orchestrate access to deviceThreadGroups and its contained worker threads! e.g. synchronize potential access during ~DeviceThreadGroup!
-    for (const auto& [rootPath, wl] : perDeviceWorkload)
+    for (const auto& [afsDevice, wl] : perDeviceWorkload)
     {
-        const size_t parallelOps = getDeviceParallelOps(deviceParallelOps, rootPath);
+        const size_t parallelOps = getDeviceParallelOps(deviceParallelOps, afsDevice);
         const size_t statusPrio = deviceThreadGroups.size();
 
-        auto scheduleExtraTask = [&acb, &deviceThreadGroupsShared, rootPath = rootPath /*clang bug :>*/](const AfsPath& afsPath, const ParallelWorkItem& task)
+        auto scheduleExtraTask = [&acb, &deviceThreadGroupsShared, afsDevice = afsDevice /*clang bug :>*/](const AfsPath& afsPath, const ParallelWorkItem& task)
         {
-            const AbstractPath& itemPath = AFS::appendRelPath(rootPath, afsPath.value);
+            const AbstractPath itemPath(afsDevice, afsPath);
 
             deviceThreadGroupsShared.access([&](auto* deviceThreadGroupsPtr)
             {
                 if (!deviceThreadGroupsPtr)
                     throw ThreadInterruption();
 
-                ThreadGroupContext& ctx = deviceThreadGroupsPtr->find(rootPath)->second; //exists after construction above!
+                ThreadGroupContext& ctx = deviceThreadGroupsPtr->find(afsDevice)->second; //exists after construction above!
 
                 ctx.threadGroup.run([&acb, statusPrio = ctx.statusPrio, itemPath, task, &scheduleExtraTask = ctx.scheduleExtraTask]
                 {
@@ -446,10 +446,10 @@ void massParallelExecute(const std::vector<std::pair<AbstractPath, ParallelWorkI
                 });
             });
         };
-        deviceThreadGroups.emplace(rootPath, ThreadGroupContext(parallelOps,
-                                                                threadGroupName + " " + utfTo<std::string>(AFS::getDisplayPath(rootPath)),
-                                                                statusPrio,
-                                                                scheduleExtraTask));
+        deviceThreadGroups.emplace(afsDevice, ThreadGroupContext(parallelOps,
+                                                                 threadGroupName + " " + utfTo<std::string>(AFS::getDisplayPath(AbstractPath(afsDevice, AfsPath()))),
+                                                                 statusPrio,
+                                                                 scheduleExtraTask));
     }
     deviceThreadGroupsShared.access([&](auto*& deviceThreadGroupsPtr) { deviceThreadGroupsPtr = &deviceThreadGroups; });
     //[!] deviceThreadGroups is shared with worker threads from here on!
diff --git a/FreeFileSync/Source/base/structures.cpp b/FreeFileSync/Source/base/structures.cpp
index e39084ea..ea5f9ad3 100755
--- a/FreeFileSync/Source/base/structures.cpp
+++ b/FreeFileSync/Source/base/structures.cpp
@@ -10,7 +10,7 @@
 #include <ctime>
 #include <zen/i18n.h>
 #include <zen/time.h>
-#include "hard_filter.h"
+#include "path_filter.h"
 #include "../fs/concrete.h"
 
 using namespace zen;
@@ -226,37 +226,35 @@ std::wstring fff::getSyncVariantName(const MainConfiguration& mainCfg)
 }
 
 
-size_t fff::getDeviceParallelOps(const std::map<AbstractPath, size_t>& deviceParallelOps, const AbstractPath& ap)
+size_t fff::getDeviceParallelOps(const std::map<AfsDevice, size_t>& deviceParallelOps, const AfsDevice& afsDevice)
 {
-    const AbstractPath& rootPath = AFS::getRootPath(ap);
-    auto it = deviceParallelOps.find(rootPath);
+    auto it = deviceParallelOps.find(afsDevice);
     return std::max<size_t>(it != deviceParallelOps.end() ? it->second : 1, 1);
 }
 
 
-void fff::setDeviceParallelOps(std::map<AbstractPath, size_t>& deviceParallelOps, const AbstractPath& ap, size_t parallelOps)
+void fff::setDeviceParallelOps(std::map<AfsDevice, size_t>& deviceParallelOps, const AfsDevice& afsDevice, size_t parallelOps)
 {
     assert(parallelOps > 0);
-    const AbstractPath rootPath = AFS::getRootPath(ap);
-    if (!AFS::isNullPath(rootPath))
+    if (!AFS::isNullDevice(afsDevice))
     {
         if (parallelOps > 1)
-            deviceParallelOps[rootPath] = parallelOps;
+            deviceParallelOps[afsDevice] = parallelOps;
         else
-            deviceParallelOps.erase(rootPath);
+            deviceParallelOps.erase(afsDevice);
     }
 }
 
 
-size_t fff::getDeviceParallelOps(const std::map<AbstractPath, size_t>& deviceParallelOps, const Zstring& folderPathPhrase)
+size_t fff::getDeviceParallelOps(const std::map<AfsDevice, size_t>& deviceParallelOps, const Zstring& folderPathPhrase)
 {
-    return getDeviceParallelOps(deviceParallelOps, createAbstractPath(folderPathPhrase));
+    return getDeviceParallelOps(deviceParallelOps, createAbstractPath(folderPathPhrase).afsDevice);
 }
 
 
-void fff::setDeviceParallelOps(std::map<AbstractPath, size_t>& deviceParallelOps, const Zstring& folderPathPhrase, size_t parallelOps)
+void fff::setDeviceParallelOps(std::map<AfsDevice, size_t>& deviceParallelOps, const Zstring& folderPathPhrase, size_t parallelOps)
 {
-    setDeviceParallelOps(deviceParallelOps, createAbstractPath(folderPathPhrase), parallelOps);
+    setDeviceParallelOps(deviceParallelOps, createAbstractPath(folderPathPhrase).afsDevice, parallelOps);
 }
 
 
@@ -443,13 +441,11 @@ FilterConfig mergeFilterConfig(const FilterConfig& global, const FilterConfig& l
     FilterConfig out = local;
 
     //hard filter
-    if (NameFilter::isNull(out.includeFilter, Zstring())) //fancy way of checking for "*" include
+    if (NameFilter::isNull(local.includeFilter, Zstring())) //fancy way of checking for "*" include
         out.includeFilter = global.includeFilter;
-    //else: if both global and local include filter contain data, only local filter is preserved
+    //else : if both global and local include filters are set, only local filter is preserved
 
-    trim(out.excludeFilter, true, false);
-    out.excludeFilter = global.excludeFilter + Zstr("\n") + out.excludeFilter;
-    trim(out.excludeFilter, true, false);
+    out.excludeFilter = trimCpy(trimCpy(global.excludeFilter) + Zstr("\n\n") + trimCpy(local.excludeFilter));
 
     //soft filter
     time_t   loctimeFrom  = 0;
@@ -603,7 +599,7 @@ MainConfiguration fff::merge(const std::vector<MainConfiguration>& mainCfgs)
             lpc.localFilter = FilterConfig();
     }
 
-    std::map<AbstractPath, size_t> mergedParallelOps;
+    std::map<AfsDevice, size_t> mergedParallelOps;
     for (const MainConfiguration& mainCfg : mainCfgs)
         for (const auto& [rootPath, parallelOps] : mainCfg.deviceParallelOps)
             mergedParallelOps[rootPath] = std::max(mergedParallelOps[rootPath], parallelOps);
diff --git a/FreeFileSync/Source/base/structures.h b/FreeFileSync/Source/base/structures.h
index 8668acd2..f5f6aeb5 100755
--- a/FreeFileSync/Source/base/structures.h
+++ b/FreeFileSync/Source/base/structures.h
@@ -305,7 +305,7 @@ struct FilterConfig
         unitSizeMax  (unitSizeMaxIn) {}
 
     /*
-    Semantics of HardFilter:
+    Semantics of PathFilter:
     1. using it creates a NEW folder hierarchy! -> must be considered by <Two way> variant! (fortunately it turns out, doing nothing already has perfect semantics :)
     2. it applies equally to both sides => it always matches either both sides or none! => can be used while traversing a single folder!
     */
@@ -403,7 +403,7 @@ struct MainConfiguration
     LocalPairConfig firstPair; //there needs to be at least one pair!
     std::vector<LocalPairConfig> additionalPairs;
 
-    std::map<AbstractPath /*device root*/, size_t /*parallel operations*/> deviceParallelOps; //should only include devices with >= 2  parallel ops
+    std::map<AfsDevice, size_t /*parallel operations*/> deviceParallelOps; //should only include devices with >= 2  parallel ops
 
     bool ignoreErrors = false; //true: errors will still be logged
     size_t automaticRetryCount = 0;
@@ -418,11 +418,10 @@ struct MainConfiguration
 std::wstring getCompVariantName(const MainConfiguration& mainCfg);
 std::wstring getSyncVariantName(const MainConfiguration& mainCfg);
 
-size_t getDeviceParallelOps(const std::map<AbstractPath, size_t>& deviceParallelOps, const AbstractPath& ap);
-void   setDeviceParallelOps(      std::map<AbstractPath, size_t>& deviceParallelOps, const AbstractPath& ap, size_t parallelOps);
-size_t getDeviceParallelOps(const std::map<AbstractPath, size_t>& deviceParallelOps, const Zstring& folderPathPhrase);
-void   setDeviceParallelOps(      std::map<AbstractPath, size_t>& deviceParallelOps, const Zstring& folderPathPhrase, size_t parallelOps);
-
+size_t getDeviceParallelOps(const std::map<AfsDevice, size_t>& deviceParallelOps, const AfsDevice& afsDevice);
+void   setDeviceParallelOps(      std::map<AfsDevice, size_t>& deviceParallelOps, const AfsDevice& afsDevice, size_t parallelOps);
+size_t getDeviceParallelOps(const std::map<AfsDevice, size_t>& deviceParallelOps, const Zstring& folderPathPhrase);
+void   setDeviceParallelOps(      std::map<AfsDevice, size_t>& deviceParallelOps, const Zstring& folderPathPhrase, size_t parallelOps);
 
 inline
 bool operator==(const MainConfiguration& lhs, const MainConfiguration& rhs)
diff --git a/FreeFileSync/Source/base/synchronization.cpp b/FreeFileSync/Source/base/synchronization.cpp
index 25723ce2..fbb84f4d 100755
--- a/FreeFileSync/Source/base/synchronization.cpp
+++ b/FreeFileSync/Source/base/synchronization.cpp
@@ -485,8 +485,8 @@ AFS::ItemType getItemType(const AbstractPath& ap, std::mutex& singleThread) //th
 { return parallelScope([ap] { return AFS::getItemType(ap); /*throw FileError*/ }, singleThread); }
 
 inline
-std::optional<AFS::ItemType> getItemTypeIfExists(const AbstractPath& ap, std::mutex& singleThread) //throw FileError
-{ return parallelScope([ap] { return AFS::getItemTypeIfExists(ap); /*throw FileError*/ }, singleThread); }
+std::optional<AFS::ItemType> itemStillExists(const AbstractPath& ap, std::mutex& singleThread) //throw FileError
+{ return parallelScope([ap] { return AFS::itemStillExists(ap); /*throw FileError*/ }, singleThread); }
 
 inline
 bool removeFileIfExists(const AbstractPath& ap, std::mutex& singleThread) //throw FileError
@@ -1180,7 +1180,7 @@ void FolderPairSyncer::setup2StepMove(FilePair& sourceFile, //throw FileError, T
     //generate (hopefully) unique file name to avoid clashing with some remnant ffs_tmp file
     const Zstring shortGuid = printNumber<Zstring>(Zstr("%04x"), static_cast<unsigned int>(getCrc16(generateGUID())));
     const Zstring fileName = sourceFile.getItemName<side>();
-    auto it = find_last(fileName.begin(), fileName.end(), Zstr('.')); //gracefully handle case of missing "."
+    auto it = findLast(fileName.begin(), fileName.end(), Zstr('.')); //gracefully handle case of missing "."
 
     const Zstring sourceRelPathTmp = Zstring(fileName.begin(), it) + Zstr('.') + shortGuid + AFS::TEMP_FILE_ENDING;
     //-------------------------------------------------------------------------------------------
@@ -1246,7 +1246,7 @@ auto FolderPairSyncer::createMoveTargetFolder(FileSystemObject& fsObj) -> CmtfSt
                 reportInfo(txtCreatingFolder_, AFS::getDisplayPath(targetPath)); //throw ThreadInterruption
 
                 //shallow-"copying" a folder might not fail if source is missing, so we need to check this first:
-                if (parallel::getItemTypeIfExists(parentFolder->getAbstractPath<sideSrc>(), singleThread_)) //throw FileError
+                if (parallel::itemStillExists(parentFolder->getAbstractPath<sideSrc>(), singleThread_)) //throw FileError
                 {
                     AsyncItemStatReporter statReporter(1, 0, acb_);
                     try //target existing: undefined behavior! (fail/overwrite)
@@ -1613,7 +1613,7 @@ void FolderPairSyncer::synchronizeFileInt(FilePair& file, SyncOperation syncOp)
             catch (const FileError& e)
             {
                 bool sourceWasDeleted = false;
-                try { sourceWasDeleted = !parallel::getItemTypeIfExists(file.getAbstractPath<sideSrc>(), singleThread_); /*throw FileError*/ }
+                try { sourceWasDeleted = !parallel::itemStillExists(file.getAbstractPath<sideSrc>(), singleThread_); /*throw FileError*/ }
                 catch (const FileError& e2) { throw FileError(e.toString(), e2.toString()); } //unclear which exception is more relevant
                 //do not check on type (symlink, file, folder) -> if there is a type change, FFS should not be quiet about it!
 
@@ -1637,7 +1637,7 @@ void FolderPairSyncer::synchronizeFileInt(FilePair& file, SyncOperation syncOp)
                 AsyncItemStatReporter statReporter(1, 0, acb_);
 
                 delHandlerTrg.removeFileWithCallback({ file.getAbstractPath<sideTrg>(), file.getAttributes<sideTrg>() },
-                                                       file.getRelativePath<sideTrg>(), statReporter, singleThread_); //throw FileError, X
+                                                     file.getRelativePath<sideTrg>(), statReporter, singleThread_); //throw FileError, X
                 file.removeObject<sideTrg>(); //update FilePair
             }
             break;
@@ -1831,12 +1831,12 @@ void FolderPairSyncer::synchronizeLinkInt(SymlinkPair& symlink, SyncOperation sy
             }
             catch (const FileError& e)
             {
-                bool sourceWasDeleted = false;
-                try { sourceWasDeleted = !parallel::getItemTypeIfExists(symlink.getAbstractPath<sideSrc>(), singleThread_); /*throw FileError*/ }
+                bool sourceExists = true;
+                try { sourceExists = !!parallel::itemStillExists(symlink.getAbstractPath<sideSrc>(), singleThread_); /*throw FileError*/ }
                 catch (const FileError& e2) { throw FileError(e.toString(), e2.toString()); } //unclear which exception is more relevant
                 //do not check on type (symlink, file, folder) -> if there is a type change, FFS should not be quiet about it!
 
-                if (sourceWasDeleted)
+                if (!sourceExists)
                 {
                     //even if the source item does not exist anymore, significant I/O work was done => report
                     statReporter.reportDelta(1, 0);
@@ -1964,7 +1964,7 @@ void FolderPairSyncer::synchronizeFolderInt(FolderPair& folder, SyncOperation sy
             reportInfo(txtCreatingFolder_, AFS::getDisplayPath(targetPath)); //throw ThreadInterruption
 
             //shallow-"copying" a folder might not fail if source is missing, so we need to check this first:
-            if (parallel::getItemTypeIfExists(folder.getAbstractPath<sideSrc>(), singleThread_)) //throw FileError
+            if (parallel::itemStillExists(folder.getAbstractPath<sideSrc>(), singleThread_)) //throw FileError
             {
                 AsyncItemStatReporter statReporter(1, 0, acb_);
                 try
@@ -2170,9 +2170,8 @@ bool createBaseFolder(BaseFolderPair& baseFolder, bool copyFilePermissions, Proc
             {
                 if (baseFolder.isAvailable<sideSrc>()) //copy file permissions
                 {
-                    if (std::optional<AbstractPath> parentPath = AFS::getParentFolderPath(baseFolderPath))
-                        if (AFS::getParentFolderPath(*parentPath)) //not device root
-                            AFS::createFolderIfMissingRecursion(*parentPath); //throw FileError
+                    if (std::optional<AbstractPath> parentPath = AFS::getParentPath(baseFolderPath))
+                        AFS::createFolderIfMissingRecursion(*parentPath); //throw FileError
 
                     AFS::copyNewFolder(baseFolder.getAbstractPath<sideSrc>(), baseFolderPath, copyFilePermissions); //throw FileError
                 }
@@ -2217,7 +2216,7 @@ void fff::synchronize(const std::chrono::system_clock::time_point& syncStartTime
                       bool runWithBackgroundPriority,
                       const std::vector<FolderPairSyncCfg>& syncConfig,
                       FolderComparison& folderCmp,
-                      const std::map<AbstractPath, size_t>& deviceParallelOps,
+                      const std::map<AfsDevice, size_t>& deviceParallelOps,
                       WarningDialogs& warnings,
                       ProcessCallback& callback)
 {
@@ -2278,7 +2277,7 @@ void fff::synchronize(const std::chrono::system_clock::time_point& syncStartTime
 
     std::vector<SyncStatistics::ConflictInfo> unresolvedConflicts;
 
-    std::vector<std::tuple<AbstractPath, const HardFilter*, bool /*write access*/>> readWriteCheckBaseFolders;
+    std::vector<std::tuple<AbstractPath, const PathFilter*, bool /*write access*/>> readWriteCheckBaseFolders;
 
     std::vector<std::pair<AbstractPath, AbstractPath>> significantDiffPairs;
 
@@ -2287,8 +2286,8 @@ void fff::synchronize(const std::chrono::system_clock::time_point& syncStartTime
     //status of base directories which are set to DeletionPolicy::RECYCLER (and contain actual items to be deleted)
     std::map<AbstractPath, bool> recyclerSupported; //expensive to determine on Win XP => buffer + check recycle bin existence only once per base folder!
 
-    std::set<AbstractPath> verCheckVersioningPaths;
-    std::vector<std::pair<AbstractPath, const HardFilter*>> verCheckBaseFolderPaths; //hard filter creates new logical hierarchies for otherwise equal AbstractPath...
+    std::set<AbstractPath>                                  verCheckVersioningPaths;
+    std::vector<std::pair<AbstractPath, const PathFilter*>> verCheckBaseFolderPaths; //hard filter creates new logical hierarchies for otherwise equal AbstractPath...
 
     //start checking folder pairs
     for (auto itBase = begin(folderCmp); itBase != end(folderCmp); ++itBase)
@@ -2302,8 +2301,8 @@ void fff::synchronize(const std::chrono::system_clock::time_point& syncStartTime
         append(unresolvedConflicts, folderPairStat.getConflicts());
 
         //exclude a few pathological cases (including empty left, right folders)
-        if (AFS::equalAbstractPath(baseFolder.getAbstractPath< LEFT_SIDE>(),
-                                   baseFolder.getAbstractPath<RIGHT_SIDE>()))
+        if (baseFolder.getAbstractPath< LEFT_SIDE>() ==
+            baseFolder.getAbstractPath<RIGHT_SIDE>())
         {
             jobType[folderIndex] = FolderPairJobType::SKIP;
             continue;
@@ -2384,12 +2383,12 @@ void fff::synchronize(const std::chrono::system_clock::time_point& syncStartTime
 
             //prepare: check if versioning path itself will be synchronized (and was not excluded via filter)
             verCheckVersioningPaths.insert(versioningFolderPath);
-            verCheckBaseFolderPaths.emplace_back(baseFolder.getAbstractPath<LEFT_SIDE >(), &baseFolder.getFilter());
+            verCheckBaseFolderPaths.emplace_back(baseFolder.getAbstractPath< LEFT_SIDE>(), &baseFolder.getFilter());
             verCheckBaseFolderPaths.emplace_back(baseFolder.getAbstractPath<RIGHT_SIDE>(), &baseFolder.getFilter());
         }
 
         //prepare: check if folders are used by multiple pairs in read/write access
-        readWriteCheckBaseFolders.emplace_back(baseFolder.getAbstractPath<LEFT_SIDE >(), &baseFolder.getFilter(), writeLeft);
+        readWriteCheckBaseFolders.emplace_back(baseFolder.getAbstractPath< LEFT_SIDE>(), &baseFolder.getFilter(), writeLeft);
         readWriteCheckBaseFolders.emplace_back(baseFolder.getAbstractPath<RIGHT_SIDE>(), &baseFolder.getFilter(), writeRight);
 
         //check if more than 50% of total number of files/dirs are to be created/overwritten/deleted
@@ -2506,8 +2505,8 @@ void fff::synchronize(const std::chrono::system_clock::time_point& syncStartTime
             if (std::get<bool>(*it)) //write access
                 for (auto it2 = readWriteCheckBaseFolders.begin(); it2 != readWriteCheckBaseFolders.end(); ++it2)
                     if (!std::get<bool>(*it2) || it < it2) //avoid duplicate comparisons
-                        if (std::optional<PathDependency> pd = getPathDependency(std::get<AbstractPath>(*it),  *std::get<const HardFilter*>(*it),
-                                                                                 std::get<AbstractPath>(*it2), *std::get<const HardFilter*>(*it2)))
+                        if (std::optional<PathDependency> pd = getPathDependency(std::get<AbstractPath>(*it),  *std::get<const PathFilter*>(*it),
+                                                                                 std::get<AbstractPath>(*it2), *std::get<const PathFilter*>(*it2)))
                         {
                             dependentFolders.insert(pd->basePathParent);
                             dependentFolders.insert(pd->basePathChild);
@@ -2537,7 +2536,7 @@ void fff::synchronize(const std::chrono::system_clock::time_point& syncStartTime
                 {
                     std::wstring line = L"\n\n" + _("Versioning folder:") + L" \t" + AFS::getDisplayPath(versioningFolderPath) +
                                         L"\n"   + _("Base folder:")       + L" \t" + AFS::getDisplayPath(folderPath);
-                    if (AFS::equalAbstractPath(pd->basePathParent, folderPath) && !pd->relPath.empty())
+                    if (pd->basePathParent == folderPath && !pd->relPath.empty())
                         line += L"\n" + _("Exclude:") + L" \t" + utfTo<std::wstring>(FILE_NAME_SEPARATOR + pd->relPath + FILE_NAME_SEPARATOR);
 
                     uniqueMsgs[folderPath] = line;
@@ -2660,10 +2659,10 @@ void fff::synchronize(const std::chrono::system_clock::time_point& syncStartTime
                 catch (...) { assert(false); } //what is this?
                 );
 
-                size_t parallelOps = std::max(getDeviceParallelOps(deviceParallelOps, baseFolder.getAbstractPath<LEFT_SIDE >()),
-                                              getDeviceParallelOps(deviceParallelOps, baseFolder.getAbstractPath<RIGHT_SIDE>()));
+                size_t parallelOps = std::max(getDeviceParallelOps(deviceParallelOps, baseFolder.getAbstractPath< LEFT_SIDE>().afsDevice),
+                                              getDeviceParallelOps(deviceParallelOps, baseFolder.getAbstractPath<RIGHT_SIDE>().afsDevice));
                 if (folderPairCfg.handleDeletion == DeletionPolicy::VERSIONING)
-                    parallelOps = std::max(parallelOps, getDeviceParallelOps(deviceParallelOps, versioningFolderPath));
+                    parallelOps = std::max(parallelOps, getDeviceParallelOps(deviceParallelOps, versioningFolderPath.afsDevice));
 
                 FolderPairSyncer::SyncCtx syncCtx =
                 {
diff --git a/FreeFileSync/Source/base/synchronization.h b/FreeFileSync/Source/base/synchronization.h
index 7bd5db5e..08d6ca55 100755
--- a/FreeFileSync/Source/base/synchronization.h
+++ b/FreeFileSync/Source/base/synchronization.h
@@ -94,7 +94,7 @@ void synchronize(const std::chrono::system_clock::time_point& syncStartTime,
                  bool runWithBackgroundPriority,
                  const std::vector<FolderPairSyncCfg>& syncConfig, //CONTRACT: syncConfig and folderCmp correspond row-wise!
                  FolderComparison& folderCmp,                      //
-                 const std::map<AbstractPath, size_t>& deviceParallelOps,
+                 const std::map<AfsDevice, size_t>& deviceParallelOps,
                  WarningDialogs& warnings,
                  ProcessCallback& callback);
 }
diff --git a/FreeFileSync/Source/base/versioning.cpp b/FreeFileSync/Source/base/versioning.cpp
index 64536076..aa0b0bdf 100755
--- a/FreeFileSync/Source/base/versioning.cpp
+++ b/FreeFileSync/Source/base/versioning.cpp
@@ -15,13 +15,13 @@ Zstring getDotExtension(const Zstring& filePath) //including "." if extension is
     //const Zstring& extension = getFileExtension(filePath);
     //return extension.empty() ? extension : Zstr('.') + extension;
 
-    auto it = find_last(filePath.begin(), filePath.end(), FILE_NAME_SEPARATOR);
+    auto it = findLast(filePath.begin(), filePath.end(), FILE_NAME_SEPARATOR);
     if (it == filePath.end())
         it = filePath.begin();
     else
         ++it;
 
-    return Zstring(find_last(it, filePath.end(), Zstr('.')), filePath.end());
+    return Zstring(findLast(it, filePath.end(), Zstr('.')), filePath.end());
 };
 }
 
@@ -30,7 +30,7 @@ Zstring getDotExtension(const Zstring& filePath) //including "." if extension is
 //or       "Sample 2012-05-15 131513"
 std::pair<time_t, Zstring> fff::impl::parseVersionedFileName(const Zstring& fileName)
 {
-    const StringRef<const Zchar> ext(find_last(fileName.begin(), fileName.end(), Zstr('.')), fileName.end());
+    const StringRef<const Zchar> ext(findLast(fileName.begin(), fileName.end(), Zstr('.')), fileName.end());
 
     if (fileName.size() < 2 * ext.length() + 18)
         return {};
@@ -111,43 +111,20 @@ void moveExistingItemToVersioning(const AbstractPath& sourcePath, const Abstract
 
     auto fixTargetPathIssues = [&](const FileError& prevEx) //throw FileError
     {
-        std::optional<AFS::PathStatus> psTmp;
-        try { psTmp = AFS::getPathStatus(targetPath); /*throw FileError*/ }
-        catch (const FileError& e) { throw FileError(prevEx.toString(), e.toString()); }
-        const AFS::PathStatus& ps = *psTmp;
-        //previous exception contains context-level information, but current exception is the immediate problem => combine both
-        //=> e.g. prevEx might be about missing parent folder; FFS considers session faulty and tries to create a new one,
-        //which might fail with: LIBSSH2_ERROR_AUTHENTICATION_FAILED (due to limit on #sessions?) https://freefilesync.org/forum/viewtopic.php?t=4765#p16016
-
-        if (ps.relPath.empty()) //already existing
+        try
         {
+            AFS::getItemType(targetPath); //throw FileError
+            //already existing! =>
             if (deletionError)
                 std::rethrow_exception(deletionError);
             throw prevEx; //yes, slicing, but not relevant here
         }
+        catch (FileError&) {} //not yet existing or access error
 
         //parent folder missing  => create + retry
         //parent folder existing => maybe created shortly after move attempt by parallel thread! => retry
-        AbstractPath intermediatePath = ps.existingPath;
-
-        std::for_each(ps.relPath.begin(), ps.relPath.end() - 1, [&](const Zstring& itemName)
-        {
-            try
-            {
-                AFS::createFolderPlain(intermediatePath = AFS::appendRelPath(intermediatePath, itemName)); //throw FileError
-            }
-            catch (FileError&)
-            {
-                try //already existing => possible, if moveExistingItemToVersioning() is run in parallel
-                {
-                    if (AFS::getItemType(intermediatePath) != AFS::ItemType::FILE) //throw FileError
-                        return; //=continue
-                }
-                catch (FileError&) {}
-
-                throw;
-            }
-        });
+        if (const std::optional<AbstractPath> targetParentPath = AFS::getParentPath(targetPath))
+            AFS::createFolderIfMissingRecursion(*targetParentPath); //throw FileError
     };
 
     try //first try to move directly without copying
@@ -191,7 +168,7 @@ void moveExistingItemToVersioning(const AbstractPath& sourcePath, const Abstract
 
 void FileVersioner::revisionFile(const FileDescriptor& fileDescr, const Zstring& relativePath, const IOCallback& notifyUnbufferedIO) const //throw FileError
 {
-    if (std::optional<AFS::ItemType> type = AFS::getItemTypeIfExists(fileDescr.path)) //throw FileError
+    if (std::optional<AFS::ItemType> type = AFS::itemStillExists(fileDescr.path)) //throw FileError
     {
         if (*type == AFS::ItemType::SYMLINK)
             revisionSymlinkImpl(fileDescr.path, relativePath, nullptr /*onBeforeMove*/); //throw FileError
@@ -228,7 +205,7 @@ void FileVersioner::revisionFileImpl(const FileDescriptor& fileDescr, const Zstr
 
 void FileVersioner::revisionSymlink(const AbstractPath& linkPath, const Zstring& relativePath) const //throw FileError
 {
-    if (AFS::getItemTypeIfExists(linkPath)) //throw FileError
+    if (AFS::itemStillExists(linkPath)) //throw FileError
         revisionSymlinkImpl(linkPath, relativePath, nullptr /*onBeforeMove*/); //throw FileError
     //else -> missing source item is not an error => check BEFORE deleting target
 }
@@ -253,7 +230,7 @@ void FileVersioner::revisionFolder(const AbstractPath& folderPath, const Zstring
                                    const IOCallback& notifyUnbufferedIO) const
 {
     //no error situation if directory is not existing! manual deletion relies on it!
-    if (std::optional<AFS::ItemType> type = AFS::getItemTypeIfExists(folderPath)) //throw FileError
+    if (std::optional<AFS::ItemType> type = AFS::itemStillExists(folderPath)) //throw FileError
     {
         if (*type == AFS::ItemType::SYMLINK) //on Linux there is just one type of symlink, and since we do revision file symlinks, we should revision dir symlinks as well!
             revisionSymlinkImpl(folderPath, relativePath, onBeforeFileMove); //throw FileError
@@ -317,7 +294,7 @@ struct VersionInfo
     AbstractPath filePath;
     bool         isSymlink = false;
 };
-using VersionInfoMap = std::map<Zstring, std::vector<VersionInfo>, LessFilePath>; //relPathOrig => <version infos>
+using VersionInfoMap = std::map<Zstring, std::vector<VersionInfo>>; //relPathOrig => <version infos>
 
 //subfolder\Sample.txt 2012-05-15 131513.txt  =>  subfolder\Sample.txt     version:2012-05-15 131513
 //2012-05-15 131513\subfolder\Sample.txt      =>          "                          "
@@ -330,7 +307,7 @@ void findFileVersions(VersionInfoMap& versions,
 {
     auto addVersion = [&](const Zstring& fileName, const Zstring& fileNameOrig, time_t versionTime, bool isSymlink)
     {
-        const Zstring& relPathOrig   = AFS::appendPaths(relPathOrigParent, fileNameOrig, FILE_NAME_SEPARATOR);
+        const Zstring& relPathOrig   = nativeAppendPaths(relPathOrigParent, fileNameOrig);
         const AbstractPath& filePath = AFS::appendRelPath(parentFolderPath, fileName);
 
         versions[relPathOrig].push_back(VersionInfo{ versionTime, filePath, isSymlink });
@@ -372,7 +349,7 @@ void findFileVersions(VersionInfoMap& versions,
 
         findFileVersions(versions, attrAndSub.second,
                          AFS::appendRelPath(parentFolderPath, folderName),
-                         AFS::appendPaths(relPathOrigParent, folderName, FILE_NAME_SEPARATOR),
+                         nativeAppendPaths(relPathOrigParent, folderName),
                          versionTimeParent);
     }
 }
@@ -393,7 +370,7 @@ void getFolderItemCount(std::map<AbstractPath, size_t>& folderItemCount, const F
 
 bool fff::operator<(const VersioningLimitFolder& lhs, const VersioningLimitFolder& rhs)
 {
-    const int cmp = AFS::compareAbstractPath(lhs.versioningFolderPath, rhs.versioningFolderPath);
+    const int cmp = AFS::comparePath(lhs.versioningFolderPath, rhs.versioningFolderPath);
     if (cmp != 0)
         return cmp < 0;
 
@@ -410,27 +387,39 @@ bool fff::operator<(const VersioningLimitFolder& lhs, const VersioningLimitFolde
 }
 
 
-void fff::applyVersioningLimit(const std::set<VersioningLimitFolder>& limitFolders,
-                               const std::map<AbstractPath, size_t>& deviceParallelOps,
+void fff::applyVersioningLimit(const std::set<VersioningLimitFolder>& folderLimits,
+                               const std::map<AfsDevice, size_t>& deviceParallelOps,
                                ProcessCallback& callback /*throw X*/)
 {
     //--------- determine existing folder paths for traversal ---------
     std::set<DirectoryKey> foldersToRead;
+    std::set<VersioningLimitFolder> folderLimitsNorm; //get rid of folder aliases (e.g. path differing in case)
     {
-        std::set<AbstractPath> folderPaths;
-        for (const VersioningLimitFolder& vlf : limitFolders)
+        std::set<AbstractPath> pathsToCheck;
+        std::vector<VersioningLimitFolder> folderLimitsTmp;
+
+        for (const VersioningLimitFolder& vlf : folderLimits)
             if (vlf.versionMaxAgeDays > 0 || vlf.versionCountMax > 0) //only analyze versioning folders when needed!
-                folderPaths.emplace(vlf.versioningFolderPath);
+            {
+                pathsToCheck.insert(vlf.versioningFolderPath);
+                folderLimitsTmp.push_back(vlf);
+            }
 
         //we don't want to show an error if version path does not yet exist!
         tryReportingError([&]
         {
-            const FolderStatus status = getFolderStatusNonBlocking(folderPaths, deviceParallelOps, //re-check *all* directories on each try!
+            const FolderStatus status = getFolderStatusNonBlocking(pathsToCheck, deviceParallelOps, //re-check *all* directories on each try!
                                                                    false /*allowUserInteraction*/, callback); //throw X
-
             foldersToRead.clear();
             for (const AbstractPath& folderPath : status.existing)
-                foldersToRead.emplace(DirectoryKey({ folderPath, std::make_shared<NullFilter>(), SymLinkHandling::DIRECT }));
+                foldersToRead.insert(DirectoryKey({ getNormalizedPath(status, folderPath), makeSharedRef<NullFilter>(), SymLinkHandling::DIRECT }));
+
+            folderLimitsNorm.clear();
+            for (VersioningLimitFolder vlf : folderLimitsTmp)
+            {
+                vlf.versioningFolderPath = getNormalizedPath(status, vlf.versioningFolderPath);
+                folderLimitsNorm.insert(vlf);
+            }
 
             if (!status.failedChecks.empty())
             {
@@ -465,7 +454,7 @@ void fff::applyVersioningLimit(const std::set<VersioningLimitFolder>& limitFolde
         return AFS::TraverserCallback::ON_ERROR_CONTINUE;
     };
 
-    const std::wstring textScanning = _("Searching for excess file versions:") + L" ";
+    const std::wstring textScanning = _("Searching for old file versions:") + L" ";
 
     auto onStatusUpdate = [&](const std::wstring& statusLine, int itemsTotal)
     {
@@ -499,8 +488,6 @@ void fff::applyVersioningLimit(const std::set<VersioningLimitFolder>& limitFolde
         //make sure the versioning folder is never found empty and is not deleted:
         ++folderItemCount[versioningFolderPath];
 
-        warn_static("TODO: unicode normalization, case-sensitivity!")
-
         //similarly, failed folder traversal should not make folders look empty:
         for (const auto& [relPath, errorMsg] : folderVal.failedFolderReads) ++folderItemCount[AFS::appendRelPath(versioningFolderPath, relPath)];
         for (const auto& [relPath, errorMsg] : folderVal.failedItemReads  ) ++folderItemCount[AFS::appendRelPath(versioningFolderPath, beforeLast(relPath, FILE_NAME_SEPARATOR, IF_MISSING_RETURN_NONE))];
@@ -518,7 +505,7 @@ void fff::applyVersioningLimit(const std::set<VersioningLimitFolder>& limitFolde
         return localToTimeT(tc); //returns -1 on error => swallow => no versions trimmed by versionMaxAgeDays
     }();
 
-    for (const VersioningLimitFolder& vlf : limitFolders)
+    for (const VersioningLimitFolder& vlf : folderLimitsNorm)
     {
         auto it = versionDetails.find(vlf.versioningFolderPath);
         if (it != versionDetails.end())
@@ -553,7 +540,7 @@ void fff::applyVersioningLimit(const std::set<VersioningLimitFolder>& limitFolde
 
     //--------- remove excess file versions ---------
     Protected<std::map<AbstractPath, size_t>&> folderItemCountShared(folderItemCount);
-    const std::wstring textRemoving = _("Removing excess file versions:") + L" ";
+    const std::wstring textRemoving = _("Removing old file versions:") + L" ";
     const std::wstring textDeletingFolder = _("Deleting folder %x");
 
     ParallelWorkItem deleteEmptyFolderTask;
@@ -566,12 +553,12 @@ void fff::applyVersioningLimit(const std::set<VersioningLimitFolder>& limitFolde
         }, ctx.acb);
 
         if (errMsg.empty())
-            if (std::optional<AbstractPath> parentPath = AFS::getParentFolderPath(ctx.itemPath))
+            if (std::optional<AbstractPath> parentPath = AFS::getParentPath(ctx.itemPath))
             {
                 bool scheduleDelete = false;
                 folderItemCountShared.access([&](auto& folderItemCount2) { scheduleDelete = --folderItemCount2[*parentPath] == 0; });
                 if (scheduleDelete)
-                    ctx.scheduleExtraTask(AfsPath(AFS::getRootRelativePath(*parentPath)), deleteEmptyFolderTask); //throw ThreadInterruption
+                    ctx.scheduleExtraTask(parentPath->afsPath, deleteEmptyFolderTask); //throw ThreadInterruption
             }
     };
 
@@ -594,13 +581,13 @@ void fff::applyVersioningLimit(const std::set<VersioningLimitFolder>& limitFolde
         }, ctx.acb);
 
         if (errMsg.empty())
-            if (std::optional<AbstractPath> parentPath = AFS::getParentFolderPath(ctx.itemPath))
+            if (std::optional<AbstractPath> parentPath = AFS::getParentPath(ctx.itemPath))
             {
                 bool scheduleDelete = false;
                 folderItemCountShared.access([&](auto& folderItemCount2) { scheduleDelete = --folderItemCount2[*parentPath] == 0; });
                 if (scheduleDelete)
-                    ctx.scheduleExtraTask(AfsPath(AFS::getRootRelativePath(*parentPath)), deleteEmptyFolderTask); //throw ThreadInterruption
-                assert(AFS::getRootPath(*parentPath) == AFS::getRootPath(ctx.itemPath));
+                    ctx.scheduleExtraTask(parentPath->afsPath, deleteEmptyFolderTask); //throw ThreadInterruption
+                assert(parentPath->afsDevice == ctx.itemPath.afsDevice);
             }
 
         warn_static("get rid of scheduleExtraTask and recursively delete parent folders!? need scheduleExtraTask for something else?")
diff --git a/FreeFileSync/Source/base/versioning.h b/FreeFileSync/Source/base/versioning.h
index f1cefcc5..b2d31090 100755
--- a/FreeFileSync/Source/base/versioning.h
+++ b/FreeFileSync/Source/base/versioning.h
@@ -102,8 +102,8 @@ struct VersioningLimitFolder
 bool operator<(const VersioningLimitFolder& lhs, const VersioningLimitFolder& rhs);
 
 
-void applyVersioningLimit(const std::set<VersioningLimitFolder>& limitFolders,
-                          const std::map<AbstractPath, size_t>& deviceParallelOps,
+void applyVersioningLimit(const std::set<VersioningLimitFolder>& folderLimits,
+                          const std::map<AfsDevice, size_t>& deviceParallelOps,
                           ProcessCallback& callback /*throw X*/);
 
 
diff --git a/FreeFileSync/Source/fs/abstract.cpp b/FreeFileSync/Source/fs/abstract.cpp
index 33b6ec0e..72b88fde 100755
--- a/FreeFileSync/Source/fs/abstract.cpp
+++ b/FreeFileSync/Source/fs/abstract.cpp
@@ -25,34 +25,40 @@ bool fff::isValidRelPath(const Zstring& relPath)
 }
 
 
-int AFS::compareAbstractPath(const AbstractPath& lhs, const AbstractPath& rhs)
+int AFS::compareDevice(const AbstractFileSystem& lhs, const AbstractFileSystem& rhs)
 {
     //note: in worst case, order is guaranteed to be stable only during each program run
-    if (typeid(*lhs.afs).before(typeid(*rhs.afs)))
+    if (typeid(lhs).before(typeid(rhs)))
         return -1;
-    if (typeid(*rhs.afs).before(typeid(*lhs.afs)))
+    if (typeid(rhs).before(typeid(lhs)))
         return 1;
-    assert(typeid(*lhs.afs) == typeid(*rhs.afs));
+    assert(typeid(lhs) == typeid(rhs));
     //caveat: typeid returns static type for pointers, dynamic type for references!!!
 
-    const int rv = lhs.afs->compareDeviceRootSameAfsType(*rhs.afs);
+    return lhs.compareDeviceSameAfsType(rhs);
+}
+
+
+int AFS::comparePath(const AbstractPath& lhs, const AbstractPath& rhs)
+{
+    const int rv = compareDevice(lhs.afsDevice.ref(), rhs.afsDevice.ref());
     if (rv != 0)
         return rv;
 
-    return compareFilePath(lhs.afsPath.value, rhs.afsPath.value);
+    return compareString(lhs.afsPath.value, rhs.afsPath.value);
 }
 
 
-std::optional<AbstractPath> AFS::getParentFolderPath(const AbstractPath& ap)
+std::optional<AbstractPath> AFS::getParentPath(const AbstractPath& ap)
 {
-    if (const std::optional<AfsPath> parentAfsPath = getParentAfsPath(ap.afsPath))
-        return AbstractPath(ap.afs, *parentAfsPath);
+    if (const std::optional<AfsPath> parentAfsPath = getParentPath(ap.afsPath))
+        return AbstractPath(ap.afsDevice, *parentAfsPath);
 
     return {};
 }
 
 
-std::optional<AfsPath> AFS::getParentAfsPath(const AfsPath& afsPath)
+std::optional<AfsPath> AFS::getParentPath(const AfsPath& afsPath)
 {
     if (afsPath.value.empty())
         return {};
@@ -61,25 +67,6 @@ std::optional<AfsPath> AFS::getParentAfsPath(const AfsPath& afsPath)
 }
 
 
-void AFS::traverseFolderRecursive(const AbstractPath& basePath, const AFS::TraverserWorkload& workload, size_t parallelOps)
-{
-    TraverserWorkloadImpl wlImpl;
-    for (const auto& [relPathComponents, cb] : workload)
-    {
-        AfsPath afsPath = basePath.afsPath;
-        for (const Zstring& itemName : relPathComponents)
-        {
-            assert(!contains(itemName, FILE_NAME_SEPARATOR));
-            if (!afsPath.value.empty())
-                afsPath.value += FILE_NAME_SEPARATOR;
-            afsPath.value += itemName;
-        }
-        wlImpl.emplace_back(afsPath, cb);
-    }
-    basePath.afs->traverseFolderRecursive(wlImpl, parallelOps); //throw
-}
-
-
 namespace
 {
 struct FlatTraverserCallback : public AFS::TraverserCallback
@@ -193,9 +180,9 @@ AFS::FileCopyResult AFS::copyFileTransactional(const AbstractPath& apSource, con
     auto copyFilePlain = [&](const AbstractPath& apTargetTmp)
     {
         //caveat: typeid returns static type for pointers, dynamic type for references!!!
-        if (typeid(*apSource.afs) == typeid(*apTargetTmp.afs))
-            return apSource.afs->copyFileForSameAfsType(apSource.afsPath, attrSource,
-                                                        apTargetTmp, copyFilePermissions, notifyUnbufferedIO); //throw FileError, ErrorFileLocked
+        if (typeid(apSource.afsDevice.ref()) == typeid(apTargetTmp.afsDevice.ref()))
+            return apSource.afsDevice.ref().copyFileForSameAfsType(apSource.afsPath, attrSource,
+                                                                   apTargetTmp, copyFilePermissions, notifyUnbufferedIO); //throw FileError, ErrorFileLocked
         //target existing: undefined behavior! (fail/overwrite/auto-rename)
 
         //fall back to stream-based file copy:
@@ -203,7 +190,7 @@ AFS::FileCopyResult AFS::copyFileTransactional(const AbstractPath& apSource, con
             throw FileError(replaceCpy(_("Cannot write permissions of %x."), L"%x", fmtPath(AFS::getDisplayPath(apTargetTmp))),
                             _("Operation not supported for different base folder types."));
 
-        return apSource.afs->copyFileAsStream(apSource.afsPath, attrSource, apTargetTmp, notifyUnbufferedIO); //throw FileError, ErrorFileLocked
+        return apSource.afsDevice.ref().copyFileAsStream(apSource.afsPath, attrSource, apTargetTmp, notifyUnbufferedIO); //throw FileError, ErrorFileLocked
         //target existing: undefined behavior! (fail/overwrite/auto-rename)
     };
 
@@ -212,19 +199,27 @@ AFS::FileCopyResult AFS::copyFileTransactional(const AbstractPath& apSource, con
         warn_static("doesnt make sense for Google Drive")
 
 
-        std::optional<AbstractPath> parentPath = AFS::getParentFolderPath(apTarget);
+        std::optional<AbstractPath> parentPath = AFS::getParentPath(apTarget);
         if (!parentPath)
             throw FileError(replaceCpy(_("Cannot write file %x."), L"%x", fmtPath(AFS::getDisplayPath(apTarget))), L"Path is device root.");
         const Zstring fileName = AFS::getItemName(apTarget);
 
         //- generate (hopefully) unique file name to avoid clashing with some remnant ffs_tmp file
         //- do not loop and avoid pathological cases, e.g. https://freefilesync.org/forum/viewtopic.php?t=1592
-        const Zstring shortGuid = printNumber<Zstring>(Zstr("%04x"), static_cast<unsigned int>(getCrc16(generateGUID())));
-        auto it = find_last(fileName.begin(), fileName.end(), Zstr('.')); //gracefully handle case of missing "."
-        const Zstring fileNameTmp = Zstring(fileName.begin(), it) + Zstr('.') + shortGuid + TEMP_FILE_ENDING;
+        const Zstring& shortGuid = printNumber<Zstring>(Zstr("%04x"), static_cast<unsigned int>(getCrc16(generateGUID())));
+        const Zstring& tmpExt    = Zstr('.') + shortGuid + TEMP_FILE_ENDING;
+        auto it = findLast(fileName.begin(), fileName.end(), Zstr('.')); //gracefully handle case of missing "."
+
+        //don't make the temp name longer than the original; avoid hitting file system name length limitations: "lpMaximumComponentLength is commonly 255 characters"
+        if (fileName.size() > 200) //BUT don't trim short names! we want early failure on filename-related issues
+            it = std::min(it, fileName.end() - tmpExt.size());
+        warn_static("utf8 anyone? atribtrarily trimming string, really?")
+
+
+        const Zstring& fileNameTmp = Zstring(fileName.begin(), it) + tmpExt;
 
         const AbstractPath apTargetTmp = AFS::appendRelPath(*parentPath, fileNameTmp);
-        //AbstractPath apTargetTmp(apTarget.afs, AfsPath(apTarget.afsPath.value + TEMP_FILE_ENDING));
+        //AbstractPath apTargetTmp(apTarget.afsDevice, AfsPath(apTarget.afsPath.value + TEMP_FILE_ENDING));
         //-------------------------------------------------------------------------------------------
 
         const AFS::FileCopyResult result = copyFilePlain(apTargetTmp); //throw FileError, ErrorFileLocked
@@ -268,8 +263,18 @@ AFS::FileCopyResult AFS::copyFileTransactional(const AbstractPath& apSource, con
 
 void AFS::createFolderIfMissingRecursion(const AbstractPath& ap) //throw FileError
 {
-    if (!getParentFolderPath(ap)) //device root
-        return static_cast<void>(/*ItemType =*/ getItemType(ap)); //throw FileError
+    const std::optional<AbstractPath> parentPath = getParentPath(ap);
+    if (!parentPath) //device root
+        return;
+
+    try //generally we expect that path already exists (see: versioning, base folder, log file path) => check first
+    {
+        if (getItemType(ap) != ItemType::FILE) //throw FileError
+            return;
+    }
+    catch (FileError&) {} //not yet existing or access error? let's find out...
+
+    createFolderIfMissingRecursion(*parentPath); //throw FileError
 
     try
     {
@@ -278,82 +283,52 @@ void AFS::createFolderIfMissingRecursion(const AbstractPath& ap) //throw FileErr
     }
     catch (FileError&)
     {
-        const PathStatus ps = getPathStatus(ap); //throw FileError
-        if (ps.existingType == ItemType::FILE)
-            throw;
+        try
+        {
+            if (getItemType(ap) != ItemType::FILE) //throw FileError
+                return; //already existing => possible, if createFolderIfMissingRecursion() is run in parallel
+        }
+        catch (FileError&) {} //not yet existing or access error
+        //catch (const FileError& e2) { throw FileError(e.toString(), e2.toString()); } -> details needed???
 
-        //ps.relPath.size() == 1  => same createFolderPlain() call from above? Maybe parent folder was created by parallel thread shortly after failure!
-        AbstractPath intermediatePath = ps.existingPath;
-        for (const Zstring& itemName : ps.relPath)
-            try
-            {
-                createFolderPlain(intermediatePath = appendRelPath(intermediatePath, itemName)); //throw FileError
-            }
-            catch (FileError&)
-            {
-                try //already existing => possible, if createFolderIfMissingRecursion() is run in parallel
-                {
-                    if (getItemType(intermediatePath) != ItemType::FILE) //throw FileError
-                        continue;
-                }
-                catch (FileError&) {}
-
-                throw;
-            }
+        throw;
     }
 }
 
 
-//essentially a(n abstract) duplicate of zen::getPathStatus()
-AFS::PathStatusImpl AFS::getPathStatusViaFolderTraversal(const AfsPath& afsPath) const //throw FileError
+std::optional<AFS::ItemType> AFS::itemStillExistsViaFolderTraversal(const AfsPath& afsPath) const //throw FileError
 {
-    const std::optional<AfsPath> parentAfsPath = getParentAfsPath(afsPath);
     try
     {
-        return { getItemType(afsPath), afsPath, {} }; //throw FileError
+        return getItemType(afsPath); //throw FileError
     }
-    catch (FileError&)
+    catch (const FileError& e) //not existing or access error
     {
+        const std::optional<AfsPath> parentAfsPath = getParentPath(afsPath);
         if (!parentAfsPath) //device root
             throw;
         //else: let's dig deeper... don't bother checking Win32 codes; e.g. not existing item may have the codes:
         //  ERROR_FILE_NOT_FOUND, ERROR_PATH_NOT_FOUND, ERROR_INVALID_NAME, ERROR_INVALID_DRIVE,
         //  ERROR_NOT_READY, ERROR_INVALID_PARAMETER, ERROR_BAD_PATHNAME, ERROR_BAD_NETPATH => not reliable
-    }
-    const Zstring itemName = getItemName(afsPath);
-    assert(!itemName.empty());
-
-    PathStatusImpl ps = getPathStatusViaFolderTraversal(*parentAfsPath); //throw FileError
-    if (ps.relPath.empty() &&
-        ps.existingType != ItemType::FILE) //obscure, but possible (and not an error)
-        try
-        {
-            traverseFolderFlat(*parentAfsPath, //throw FileError
-            [&](const FileInfo&    fi) { if (equalFilePath(fi.itemName, itemName)) throw ItemType::FILE;    },
-            [&](const FolderInfo&  fi) { if (equalFilePath(fi.itemName, itemName)) throw ItemType::FOLDER;  },
-            [&](const SymlinkInfo& si) { if (equalFilePath(si.itemName, itemName)) throw ItemType::SYMLINK; });
-        }
-        catch (const ItemType& type) { return { type, afsPath, {} }; } //yes, exceptions for control-flow are bad design... but, but...
-    //we're not CPU-bound here and finding the item after getItemType() previously failed is exceptional (even C:\pagefile.sys should be found)
-
-    ps.relPath.push_back(itemName);
-    return ps;
-}
 
+        const Zstring itemName = getItemName(afsPath);
+        assert(!itemName.empty());
 
-std::optional<AFS::ItemType> AFS::getItemTypeIfExists(const AbstractPath& ap) //throw FileError
-{
-    const PathStatus ps = getPathStatus(ap); //throw FileError
-    if (ps.relPath.empty())
-        return ps.existingType;
-    return {};
-}
-
-
-AFS::PathStatus AFS::getPathStatus(const AbstractPath& ap) //throw FileError
-{
-    const PathStatusImpl psi = ap.afs->getPathStatus(ap.afsPath); //throw FileError
-    return { psi.existingType, AbstractPath(ap.afs, psi.existingAfsPath), psi.relPath };
+        const std::optional<ItemType> parentType = itemStillExistsViaFolderTraversal(*parentAfsPath); //throw FileError
+        if (parentType && *parentType != ItemType::FILE /*obscure, but possible (and not an error)*/)
+            try
+            {
+                traverseFolderFlat(*parentAfsPath, //throw FileError
+                [&](const FileInfo&    fi) { if (fi.itemName == itemName) throw ItemType::FILE;    },
+                [&](const FolderInfo&  fi) { if (fi.itemName == itemName) throw ItemType::FOLDER;  },
+                [&](const SymlinkInfo& si) { if (si.itemName == itemName) throw ItemType::SYMLINK; });
+            }
+            catch (const ItemType&) //finding the item after getItemType() previously failed is exceptional
+            {
+                throw e; //yes, slicing
+            }
+        return {};
+    }
 }
 
 
@@ -404,7 +379,7 @@ void AFS::removeFolderIfExistsRecursion(const AbstractPath& ap, //throw FileErro
     warn_static("what about parallelOps?")
 
     //no error situation if directory is not existing! manual deletion relies on it!
-    if (std::optional<ItemType> type = AFS::getItemTypeIfExists(ap)) //throw FileError
+    if (std::optional<ItemType> type = AFS::itemStillExists(ap)) //throw FileError
     {
         if (*type == AFS::ItemType::SYMLINK)
         {
@@ -432,7 +407,7 @@ bool AFS::removeFileIfExists(const AbstractPath& ap) //throw FileError
     {
         try
         {
-            if (!AFS::getItemTypeIfExists(ap)) //throw FileError
+            if (!AFS::itemStillExists(ap)) //throw FileError
                 return false;
         }
         catch (const FileError& e2) { throw FileError(e.toString(), e2.toString()); } //unclear which exception is more relevant
@@ -453,7 +428,7 @@ bool AFS::removeSymlinkIfExists(const AbstractPath& ap) //throw FileError
     {
         try
         {
-            if (!AFS::getItemTypeIfExists(ap)) //throw FileError
+            if (!AFS::itemStillExists(ap)) //throw FileError
                 return false;
         }
         catch (const FileError& e2) { throw FileError(e.toString(), e2.toString()); } //unclear which exception is more relevant
@@ -473,7 +448,7 @@ void AFS::removeEmptyFolderIfExists(const AbstractPath& ap) //throw FileError
     {
         try
         {
-            if (!AFS::getItemTypeIfExists(ap)) //throw FileError
+            if (!AFS::itemStillExists(ap)) //throw FileError
                 return;
         }
         catch (const FileError& e2) { throw FileError(e.toString(), e2.toString()); } //unclear which exception is more relevant
diff --git a/FreeFileSync/Source/fs/abstract.h b/FreeFileSync/Source/fs/abstract.h
index d5de09c7..f7da2887 100755
--- a/FreeFileSync/Source/fs/abstract.h
+++ b/FreeFileSync/Source/fs/abstract.h
@@ -16,11 +16,13 @@
 
 namespace fff
 {
-struct AbstractFileSystem;
-
 bool isValidRelPath(const Zstring& relPath);
 
+struct AbstractFileSystem;
+
 //==============================================================================================================
+using AfsDevice = zen::SharedRef<const AbstractFileSystem>;
+
 struct AfsPath //= path relative to the file system root folder (no leading/traling separator)
 {
     AfsPath() {}
@@ -28,74 +30,70 @@ struct AfsPath //= path relative to the file system root folder (no leading/tral
     Zstring value;
 };
 
-class AbstractPath //THREAD-SAFETY: like an int!
+struct AbstractPath //THREAD-SAFETY: like an int!
 {
-public:
-    AbstractPath(const std::shared_ptr<const AbstractFileSystem>& afsIn, const AfsPath& afsPathIn) : afs(afsIn), afsPath(afsPathIn) {}
+    AbstractPath(const AfsDevice& afsIn, const AfsPath& afsPathIn) : afsDevice(afsIn), afsPath(afsPathIn) {}
 
-    //template <class T1, class T2> -> don't use forwarding constructor! => it circumvents AfsPath's explicit constructor
-    //AbstractPath(T1&& afsIn, T2&& afsPathIn) : afs(std::forward<T1>(afsIn)), afsPath(std::forward<T2>(afsPathIn)) { assert(isValidRelPath(afsPathIn)); }
+    //template <class T1, class T2> -> don't use forwarding constructor: it circumvents AfsPath's explicit constructor!
+    //AbstractPath(T1&& afsIn, T2&& afsPathIn) : afsDevice(std::forward<T1>(afsIn)), afsPath(std::forward<T2>(afsPathIn)) {}
 
-private:
-    friend struct AbstractFileSystem;
-
-    std::shared_ptr<const AbstractFileSystem> afs; //always bound; "const AbstractFileSystem" => all accesses expected to be thread-safe!!!
-    AfsPath afsPath;
+    AfsDevice afsDevice; //"const AbstractFileSystem" => all accesses expected to be thread-safe!!!
+    AfsPath afsPath; //relative to device root
 };
-
 //==============================================================================================================
 
 struct AbstractFileSystem //THREAD-SAFETY: "const" member functions must model thread-safe access!
 {
-    static int compareAbstractPath(const AbstractPath& lhs, const AbstractPath& rhs);
+    //=============== convenience =================
+    static Zstring getItemName(const AbstractPath& ap) { assert(getParentPath(ap)); return getItemName(ap.afsPath); }
+    static Zstring getItemName(const AfsPath& afsPath) { using namespace zen; return afterLast(afsPath.value, FILE_NAME_SEPARATOR, IF_MISSING_RETURN_ALL); }
 
-    static bool equalAbstractPath(const AbstractPath& lhs, const AbstractPath& rhs) { return compareAbstractPath(lhs, rhs) == 0; }
+    static bool isNullPath(const AbstractPath& ap) { return isNullDevice(ap.afsDevice) /*&& ap.afsPath.value.empty()*/; }
 
-    static bool isNullPath(const AbstractPath& ap) { return ap.afs->isNullFileSystem() /*&& ap.afsPath.value.empty()*/; }
+    static AbstractPath appendRelPath(const AbstractPath& ap, const Zstring& relPath);
 
-    static std::wstring getDisplayPath(const AbstractPath& ap) { return ap.afs->getDisplayPath(ap.afsPath); }
+    static std::optional<AbstractPath> getParentPath(const AbstractPath& ap);
+    static std::optional<AfsPath>      getParentPath(const AfsPath& afsPath);
+    //=============================================
 
-    static Zstring getInitPathPhrase(const AbstractPath& ap) { return ap.afs->getInitPathPhrase(ap.afsPath); }
+    static int compareDevice(const AbstractFileSystem& lhs, const AbstractFileSystem& rhs);
 
-    static std::optional<Zstring> getNativeItemPath(const AbstractPath& ap) { return ap.afs->getNativeItemPath(ap.afsPath); }
+    static int comparePath(const AbstractPath& lhs, const AbstractPath& rhs);
 
-    static AbstractPath appendRelPath(const AbstractPath& ap, const Zstring& relPath);
+    static bool isNullDevice(const AfsDevice& afsDevice) { return afsDevice.ref().isNullFileSystem(); }
 
-    static Zstring getItemName(const AbstractPath& ap) { assert(getParentFolderPath(ap)); return getItemName(ap.afsPath); }
+    static std::wstring getDisplayPath(const AbstractPath& ap) { return ap.afsDevice.ref().getDisplayPath(ap.afsPath); }
 
-    static std::optional<AbstractPath> getParentFolderPath(const AbstractPath& ap);
+    static Zstring getInitPathPhrase(const AbstractPath& ap) { return ap.afsDevice.ref().getInitPathPhrase(ap.afsPath); }
 
-    static AbstractPath getRootPath        (const AbstractPath& ap) { return AbstractPath(ap.afs, AfsPath()); }
-    static Zstring      getRootRelativePath(const AbstractPath& ap) { return ap.afsPath.value; }
+    static std::optional<Zstring> getNativeItemPath(const AbstractPath& ap) { return ap.afsDevice.ref().getNativeItemPath(ap.afsPath); }
 
     //----------------------------------------------------------------------------------------------------------------
-    static void connectNetworkFolder(const AbstractPath& ap, bool allowUserInteraction) { return ap.afs->connectNetworkFolder(ap.afsPath, allowUserInteraction); } //throw FileError
+    static void connectNetworkFolder(const AbstractPath& ap, bool allowUserInteraction) { return ap.afsDevice.ref().connectNetworkFolder(ap.afsPath, allowUserInteraction); } //throw FileError
 
-    static int geAccessTimeout(const AbstractPath& ap) { return ap.afs->getAccessTimeout(); } //returns "0" if no timeout in force
+    static int geAccessTimeout(const AbstractPath& ap) { return ap.afsDevice.ref().getAccessTimeout(); } //returns "0" if no timeout in force
     //----------------------------------------------------------------------------------------------------------------
 
+    using FileId = zen::Zbase<char>;
+
     enum class ItemType
     {
         FILE,
         FOLDER,
         SYMLINK,
     };
-    struct PathStatus
-    {
-        ItemType existingType;
-        AbstractPath existingPath;    //itemPath =: existingPath + relPath
-        std::vector<Zstring> relPath; //
-    };
     //(hopefully) fast: does not distinguish between error/not existing
-    static ItemType getItemType(const AbstractPath& ap) { return ap.afs->getItemType(ap.afsPath); } //throw FileError
-    //execute potentially SLOW folder traversal but distinguish error/not existing
-    static std::optional<ItemType> getItemTypeIfExists(const AbstractPath& ap); //throw FileError
-    static PathStatus getPathStatus(const AbstractPath& ap); //throw FileError
+    static ItemType getItemType(const AbstractPath& ap) { return ap.afsDevice.ref().getItemType(ap.afsPath); } //throw FileError
+
+    //assumes: - base path still exists
+    //         - all child item path parts must correspond to folder traversal
+    //    => we can conclude whether an item is *not* existing anymore by doing a *case-sensitive* name search => potentially SLOW!
+    static std::optional<ItemType> itemStillExists(const AbstractPath& ap) { return ap.afsDevice.ref().itemStillExists(ap.afsPath); } //throw FileError
     //----------------------------------------------------------------------------------------------------------------
 
     //target existing: undefined behavior! (fail/overwrite)
     //does NOT create parent directories recursively if not existing
-    static void createFolderPlain(const AbstractPath& ap) { ap.afs->createFolderPlain(ap.afsPath); } //throw FileError
+    static void createFolderPlain(const AbstractPath& ap) { ap.afsDevice.ref().createFolderPlain(ap.afsPath); } //throw FileError
 
     //no error if already existing
     //creates parent directories recursively if not existing
@@ -108,21 +106,22 @@ struct AbstractFileSystem //THREAD-SAFETY: "const" member functions must model t
                                               const std::function<void (const std::wstring& displayPath)>& onBeforeFileDeletion,    //optional
                                               const std::function<void (const std::wstring& displayPath)>& onBeforeFolderDeletion); //one call for each object!
 
-    static void removeFilePlain   (const AbstractPath& ap) { ap.afs->removeFilePlain   (ap.afsPath); } //throw FileError
-    static void removeSymlinkPlain(const AbstractPath& ap) { ap.afs->removeSymlinkPlain(ap.afsPath); } //throw FileError
-    static void removeFolderPlain (const AbstractPath& ap) { ap.afs->removeFolderPlain (ap.afsPath); } //throw FileError
+    static void removeFilePlain   (const AbstractPath& ap) { ap.afsDevice.ref().removeFilePlain   (ap.afsPath); } //throw FileError
+    static void removeSymlinkPlain(const AbstractPath& ap) { ap.afsDevice.ref().removeSymlinkPlain(ap.afsPath); } //throw FileError
+    static void removeFolderPlain (const AbstractPath& ap) { ap.afsDevice.ref().removeFolderPlain (ap.afsPath); } //throw FileError
     //----------------------------------------------------------------------------------------------------------------
-    static void setModTime(const AbstractPath& ap, time_t modTime) { ap.afs->setModTime(ap.afsPath, modTime); } //throw FileError, follows symlinks
+    static void setModTime(const AbstractPath& ap, time_t modTime) { ap.afsDevice.ref().setModTime(ap.afsPath, modTime); } //throw FileError, follows symlinks
+
+    static FileId /*optional*/ getFileId(const AbstractPath& ap) { return ap.afsDevice.ref().getFileId(ap.afsPath); } //throw FileError
 
-    static AbstractPath getSymlinkResolvedPath(const AbstractPath& ap) { return ap.afs->getSymlinkResolvedPath(ap.afsPath); } //throw FileError
-    static std::string getSymlinkBinaryContent(const AbstractPath& ap) { return ap.afs->getSymlinkBinaryContent(ap.afsPath); } //throw FileError
+    static AbstractPath getSymlinkResolvedPath(const AbstractPath& ap) { return ap.afsDevice.ref().getSymlinkResolvedPath (ap.afsPath); } //throw FileError
+    static std::string getSymlinkBinaryContent(const AbstractPath& ap) { return ap.afsDevice.ref().getSymlinkBinaryContent(ap.afsPath); } //throw FileError
     //----------------------------------------------------------------------------------------------------------------
     //noexcept; optional return value:
-    static zen::ImageHolder getFileIcon      (const AbstractPath& ap, int pixelSize) { return ap.afs->getFileIcon      (ap.afsPath, pixelSize); }
-    static zen::ImageHolder getThumbnailImage(const AbstractPath& ap, int pixelSize) { return ap.afs->getThumbnailImage(ap.afsPath, pixelSize); }
+    static zen::ImageHolder getFileIcon      (const AbstractPath& ap, int pixelSize) { return ap.afsDevice.ref().getFileIcon      (ap.afsPath, pixelSize); }
+    static zen::ImageHolder getThumbnailImage(const AbstractPath& ap, int pixelSize) { return ap.afsDevice.ref().getThumbnailImage(ap.afsPath, pixelSize); }
     //----------------------------------------------------------------------------------------------------------------
 
-    using FileId = zen::Zbase<char>;
 
     struct StreamAttributes
     {
@@ -167,13 +166,13 @@ struct AbstractFileSystem //THREAD-SAFETY: "const" member functions must model t
 
     //return value always bound:
     static std::unique_ptr<InputStream> getInputStream(const AbstractPath& ap, const zen::IOCallback& notifyUnbufferedIO) //throw FileError, ErrorFileLocked, X
-    { return ap.afs->getInputStream(ap.afsPath, notifyUnbufferedIO); }
+    { return ap.afsDevice.ref().getInputStream(ap.afsPath, notifyUnbufferedIO); }
 
     //target existing: undefined behavior! (fail/overwrite/auto-rename)
     static std::unique_ptr<OutputStream> getOutputStream(const AbstractPath& ap, //throw FileError
                                                          const uint64_t* streamSize,           //optional
                                                          const zen::IOCallback& notifyUnbufferedIO) //
-    { return std::make_unique<OutputStream>(ap.afs->getOutputStream(ap.afsPath, streamSize, notifyUnbufferedIO), ap, streamSize); }
+    { return std::make_unique<OutputStream>(ap.afsDevice.ref().getOutputStream(ap.afsPath, streamSize, notifyUnbufferedIO), ap, streamSize); }
     //----------------------------------------------------------------------------------------------------------------
 
     struct SymlinkInfo
@@ -222,16 +221,19 @@ struct AbstractFileSystem //THREAD-SAFETY: "const" member functions must model t
         virtual HandleError reportItemError(const std::wstring& msg, size_t retryNumber, const Zstring& itemName) = 0; //failed to get data for single file/dir/symlink only!
     };
 
-    using TraverserWorkload = std::vector<std::pair<std::vector<Zstring> /*relPath*/, std::shared_ptr<TraverserCallback> /*throw X*/>>;
+    using TraverserWorkload = std::vector<std::pair<AfsPath, std::shared_ptr<TraverserCallback> /*throw X*/>>;
 
     //- client needs to handle duplicate file reports! (FilePlusTraverser fallback, retrying to read directory contents, ...)
-    static void traverseFolderRecursive(const AbstractPath& basePath, const TraverserWorkload& workload, size_t parallelOps);
+    static void traverseFolderRecursive(const AfsDevice& afsDevice, const TraverserWorkload& workload /*throw X*/, size_t parallelOps)
+    {
+        afsDevice.ref().traverseFolderRecursive(workload, parallelOps); //throw
+    }
 
     static void traverseFolderFlat(const AbstractPath& ap, //throw FileError
                                    const std::function<void (const FileInfo&    fi)>& onFile,     //
                                    const std::function<void (const FolderInfo&  fi)>& onFolder,   //optional
                                    const std::function<void (const SymlinkInfo& si)>& onSymlink) //
-    { ap.afs->traverseFolderFlat(ap.afsPath, onFile, onFolder, onSymlink); }
+    { ap.afsDevice.ref().traverseFolderFlat(ap.afsPath, onFile, onFolder, onSymlink); }
     //----------------------------------------------------------------------------------------------------------------
 
     static bool supportPermissionCopy(const AbstractPath& apSource, const AbstractPath& apTarget); //throw FileError
@@ -273,9 +275,9 @@ struct AbstractFileSystem //THREAD-SAFETY: "const" member functions must model t
 
     //----------------------------------------------------------------------------------------------------------------
 
-    static uint64_t getFreeDiskSpace(const AbstractPath& ap) { return ap.afs->getFreeDiskSpace(ap.afsPath); } //throw FileError, returns 0 if not available
+    static uint64_t getFreeDiskSpace(const AbstractPath& ap) { return ap.afsDevice.ref().getFreeDiskSpace(ap.afsPath); } //throw FileError, returns 0 if not available
 
-    static bool supportsRecycleBin(const AbstractPath& ap, const std::function<void ()>& onUpdateGui) { return ap.afs->supportsRecycleBin(ap.afsPath, onUpdateGui); } //throw FileError
+    static bool supportsRecycleBin(const AbstractPath& ap, const std::function<void ()>& onUpdateGui) { return ap.afsDevice.ref().supportsRecycleBin(ap.afsPath, onUpdateGui); } //throw FileError
 
     struct RecycleSession
     {
@@ -288,43 +290,28 @@ struct AbstractFileSystem //THREAD-SAFETY: "const" member functions must model t
     };
 
     //precondition: supportsRecycleBin() must return true!
-    static std::unique_ptr<RecycleSession> createRecyclerSession(const AbstractPath& ap) { return ap.afs->createRecyclerSession(ap.afsPath); } //throw FileError, return value must be bound!
+    static std::unique_ptr<RecycleSession> createRecyclerSession(const AbstractPath& ap) { return ap.afsDevice.ref().createRecyclerSession(ap.afsPath); } //throw FileError, return value must be bound!
 
-    static void recycleItemIfExists(const AbstractPath& ap) { ap.afs->recycleItemIfExists(ap.afsPath); } //throw FileError
+    static void recycleItemIfExists(const AbstractPath& ap) { ap.afsDevice.ref().recycleItemIfExists(ap.afsPath); } //throw FileError
 
     //================================================================================================================
 
     //no need to protect access:
-    static Zstring appendPaths(const Zstring& basePath, const Zstring& relPath, Zchar pathSep);
-
     virtual ~AbstractFileSystem() {}
 
-protected: //grant derived classes access to AbstractPath:
-    static const AbstractFileSystem& getAfs    (const AbstractPath& ap) { return *ap.afs; }
-    static AfsPath                   getAfsPath(const AbstractPath& ap) { return ap.afsPath; }
-
-    static Zstring getItemName(const AfsPath& afsPath) { using namespace zen; return afterLast(afsPath.value, FILE_NAME_SEPARATOR, IF_MISSING_RETURN_ALL); }
-    static std::optional<AfsPath> getParentAfsPath(const AfsPath& afsPath);
 
-    struct PathStatusImpl
-    {
-        ItemType existingType;
-        AfsPath existingAfsPath;      //afsPath =: existingAfsPath + relPath
-        std::vector<Zstring> relPath; //
-    };
-    PathStatusImpl getPathStatusViaFolderTraversal(const AfsPath& afsPath) const; //throw FileError
+protected:
+    std::optional<ItemType> itemStillExistsViaFolderTraversal(const AfsPath& afsPath) const; //throw FileError
 
     void traverseFolderFlat(const AfsPath& afsPath, //throw FileError
-                            const std::function<void (const FileInfo&    fi)>& onFile,     //
-                            const std::function<void (const FolderInfo&  fi)>& onFolder,   //optional
+                            const std::function<void (const FileInfo&    fi)>& onFile,           //
+                            const std::function<void (const FolderInfo&  fi)>& onFolder,         //optional
                             const std::function<void (const SymlinkInfo& si)>& onSymlink) const; //
 
     //target existing: undefined behavior! (fail/overwrite/auto-rename)
     FileCopyResult copyFileAsStream(const AfsPath& afsPathSource, const StreamAttributes& attrSource, //throw FileError, ErrorFileLocked
                                     const AbstractPath& apTarget, const zen::IOCallback& notifyUnbufferedIO) const; //may be nullptr; throw X!
 
-    using TraverserWorkloadImpl = std::vector<std::pair<AfsPath, std::shared_ptr<TraverserCallback> /*throw X*/>>;
-
 private:
     virtual std::optional<Zstring> getNativeItemPath(const AfsPath& afsPath) const { return {}; };
 
@@ -334,11 +321,11 @@ private:
 
     virtual bool isNullFileSystem() const = 0;
 
-    virtual int compareDeviceRootSameAfsType(const AbstractFileSystem& afsRhs) const = 0;
+    virtual int compareDeviceSameAfsType(const AbstractFileSystem& afsRhs) const = 0;
 
     //----------------------------------------------------------------------------------------------------------------
     virtual ItemType getItemType(const AfsPath& afsPath) const = 0; //throw FileError
-    virtual PathStatusImpl getPathStatus(const AfsPath& afsPath) const = 0; //throw FileError
+    virtual std::optional<ItemType> itemStillExists(const AfsPath& afsPath) const = 0; //throw FileError
     //----------------------------------------------------------------------------------------------------------------
 
     //target existing: undefined behavior! (fail/overwrite)
@@ -351,6 +338,8 @@ private:
     //----------------------------------------------------------------------------------------------------------------
     virtual void setModTime(const AfsPath& afsPath, time_t modTime) const = 0; //throw FileError, follows symlinks
 
+    virtual FileId /*optional*/ getFileId(const AfsPath& afsPath) const = 0; //throw FileError
+
     virtual AbstractPath getSymlinkResolvedPath(const AfsPath& afsPath) const = 0; //throw FileError
     virtual std::string getSymlinkBinaryContent(const AfsPath& afsPath) const = 0; //throw FileError
     //----------------------------------------------------------------------------------------------------------------
@@ -361,7 +350,7 @@ private:
                                                               const uint64_t* streamSize,                      //optional
                                                               const zen::IOCallback& notifyUnbufferedIO) const = 0; //
     //----------------------------------------------------------------------------------------------------------------
-    virtual void traverseFolderRecursive(const TraverserWorkloadImpl& workload /*throw X*/, size_t parallelOps) const = 0;
+    virtual void traverseFolderRecursive(const TraverserWorkload& workload /*throw X*/, size_t parallelOps) const = 0;
     //----------------------------------------------------------------------------------------------------------------
     virtual bool supportsPermissions(const AfsPath& afsPath) const = 0; //throw FileError
 
@@ -398,8 +387,12 @@ private:
 };
 
 
-inline bool operator< (const AbstractPath& lhs, const AbstractPath& rhs) { return AbstractFileSystem::compareAbstractPath(lhs, rhs) < 0; }
-inline bool operator==(const AbstractPath& lhs, const AbstractPath& rhs) { return AbstractFileSystem::compareAbstractPath(lhs, rhs) == 0; }
+inline bool operator< (const AfsDevice& lhs, const AfsDevice& rhs) { return AbstractFileSystem::compareDevice(lhs.ref(), rhs.ref()) < 0; }
+inline bool operator==(const AfsDevice& lhs, const AfsDevice& rhs) { return AbstractFileSystem::compareDevice(lhs.ref(), rhs.ref()) == 0; }
+inline bool operator!=(const AfsDevice& lhs, const AfsDevice& rhs) { return !(lhs == rhs); }
+
+inline bool operator< (const AbstractPath& lhs, const AbstractPath& rhs) { return AbstractFileSystem::comparePath(lhs, rhs) < 0; }
+inline bool operator==(const AbstractPath& lhs, const AbstractPath& rhs) { return AbstractFileSystem::comparePath(lhs, rhs) == 0; }
 inline bool operator!=(const AbstractPath& lhs, const AbstractPath& rhs) { return !(lhs == rhs); }
 
 
@@ -413,40 +406,8 @@ inline bool operator!=(const AbstractPath& lhs, const AbstractPath& rhs) { retur
 inline
 AbstractPath AbstractFileSystem::appendRelPath(const AbstractPath& ap, const Zstring& relPath)
 {
-    using namespace zen;
-
     assert(isValidRelPath(relPath));
-    return AbstractPath(ap.afs, AfsPath(appendPaths(ap.afsPath.value, relPath, FILE_NAME_SEPARATOR)));
-}
-
-
-inline
-Zstring AbstractFileSystem::appendPaths(const Zstring& basePath, const Zstring& relPath, Zchar pathSep)
-{
-    using namespace zen;
-
-    assert(!startsWith(relPath, pathSep) && !endsWith(relPath, pathSep));
-    if (relPath.empty())
-        return basePath;
-    if (basePath.empty())
-        return relPath;
-
-    if (startsWith(relPath, pathSep))
-    {
-        if (relPath.size() == 1)
-            return basePath;
-
-        if (endsWith(basePath, pathSep))
-            return basePath + (relPath.c_str() + 1);
-    }
-    else if (!endsWith(basePath, pathSep))
-    {
-        Zstring output = basePath;
-        output.reserve(basePath.size() + 1 + relPath.size()); //append all three strings using a single memory allocation
-        return std::move(output) + pathSep + relPath;         //
-    }
-
-    return basePath + relPath;
+    return AbstractPath(ap.afsDevice, AfsPath(nativeAppendPaths(ap.afsPath.value, relPath)));
 }
 
 //--------------------------------------------------------------------------
@@ -504,11 +465,11 @@ AbstractFileSystem::FileId AbstractFileSystem::OutputStream::finalize() //throw
 inline
 bool AbstractFileSystem::supportPermissionCopy(const AbstractPath& apSource, const AbstractPath& apTarget) //throw FileError
 {
-    if (typeid(*apSource.afs) != typeid(*apTarget.afs))
+    if (typeid(apSource.afsDevice.ref()) != typeid(apTarget.afsDevice.ref()))
         return false;
 
-    return apSource.afs->supportsPermissions(apSource.afsPath) && //throw FileError
-           apTarget.afs->supportsPermissions(apTarget.afsPath);
+    return apSource.afsDevice.ref().supportsPermissions(apSource.afsPath) && //throw FileError
+           apTarget.afsDevice.ref().supportsPermissions(apTarget.afsPath);
 }
 
 
@@ -517,8 +478,8 @@ void AbstractFileSystem::moveAndRenameItem(const AbstractPath& apSource, const A
 {
     using namespace zen;
 
-    if (typeid(*apSource.afs) == typeid(*apTarget.afs))
-        return apSource.afs->moveAndRenameItemForSameAfsType(apSource.afsPath, apTarget); //throw FileError, ErrorDifferentVolume
+    if (typeid(apSource.afsDevice.ref()) == typeid(apTarget.afsDevice.ref()))
+        return apSource.afsDevice.ref().moveAndRenameItemForSameAfsType(apSource.afsPath, apTarget); //throw FileError, ErrorDifferentVolume
 
     throw ErrorDifferentVolume(replaceCpy(replaceCpy(_("Cannot move file %x to %y."),
                                                      L"%x", L"\n" + fmtPath(getDisplayPath(apSource))),
@@ -532,8 +493,8 @@ void AbstractFileSystem::copyNewFolder(const AbstractPath& apSource, const Abstr
 {
     using namespace zen;
 
-    if (typeid(*apSource.afs) == typeid(*apTarget.afs))
-        return apSource.afs->copyNewFolderForSameAfsType(apSource.afsPath, apTarget, copyFilePermissions); //throw FileError
+    if (typeid(apSource.afsDevice.ref()) == typeid(apTarget.afsDevice.ref()))
+        return apSource.afsDevice.ref().copyNewFolderForSameAfsType(apSource.afsPath, apTarget, copyFilePermissions); //throw FileError
 
     //fall back:
     if (copyFilePermissions)
@@ -550,8 +511,8 @@ void AbstractFileSystem::copySymlink(const AbstractPath& apSource, const Abstrac
 {
     using namespace zen;
 
-    if (typeid(*apSource.afs) == typeid(*apTarget.afs))
-        return apSource.afs->copySymlinkForSameAfsType(apSource.afsPath, apTarget, copyFilePermissions); //throw FileError
+    if (typeid(apSource.afsDevice.ref()) == typeid(apTarget.afsDevice.ref()))
+        return apSource.afsDevice.ref().copySymlinkForSameAfsType(apSource.afsPath, apTarget, copyFilePermissions); //throw FileError
 
     throw FileError(replaceCpy(replaceCpy(_("Cannot copy symbolic link %x to %y."),
                                           L"%x", L"\n" + fmtPath(getDisplayPath(apSource))),
diff --git a/FreeFileSync/Source/fs/concrete_impl.h b/FreeFileSync/Source/fs/concrete_impl.h
index 08e075a8..c6ccd2d6 100755
--- a/FreeFileSync/Source/fs/concrete_impl.h
+++ b/FreeFileSync/Source/fs/concrete_impl.h
@@ -69,13 +69,13 @@ public:
 
     //context of controlling thread, non-blocking:
     template <class Function>
-    void run(Task<Context, Function>&& wi)
+    void run(Task<Context, Function>&& wi, bool insertFront = false)
     {
         threadGroup_->run([this, wi = std::move(wi)]
         {
             try {         this->returnResult<Function>({ wi, nullptr, wi.getResult() }); } //throw FileError
             catch (...) { this->returnResult<Function>({ wi, std::current_exception(), {} }); }
-        });
+        }, insertFront);
 
         std::lock_guard<std::mutex> dummy(lockResult_);
         ++resultsPending_;
@@ -197,7 +197,9 @@ void GenericDirTraverser<Functions...>::evalResult(TaskResult<TravContext, Funct
                 cb->reportItemError(e.toString(), result.wi.ctx.errorRetryCount, result.wi.ctx.errorItemName)) //throw X
         {
             case AbstractFileSystem::TraverserCallback::ON_ERROR_RETRY:
-                scheduler_.template run<Function>({ std::move(result.wi.getResult), TravContext{ result.wi.ctx.errorItemName, result.wi.ctx.errorRetryCount + 1, cb }});
+                //user expects that the task is retried immediately => we can't do much about other errors already waiting in the queue, but at least *prepend* to the work load!
+                scheduler_.template run<Function>({ std::move(result.wi.getResult), TravContext{ result.wi.ctx.errorItemName, result.wi.ctx.errorRetryCount + 1, cb }},
+                                                  true /*insertFront*/);
                 return;
 
             case AbstractFileSystem::TraverserCallback::ON_ERROR_CONTINUE:
diff --git a/FreeFileSync/Source/fs/native.cpp b/FreeFileSync/Source/fs/native.cpp
index c924777e..a3e0a8f2 100755
--- a/FreeFileSync/Source/fs/native.cpp
+++ b/FreeFileSync/Source/fs/native.cpp
@@ -235,14 +235,19 @@ void traverseFolderRecursiveNative(const std::vector<std::pair<Zstring, std::sha
 }
 }
 
-namespace fff //specialization in original namespace needed by GCC 6
-{
+
 template <>
 template <>
 void GenericDirTraverser<GetDirDetails, GetItemDetails, GetLinkTargetDetails>::evalResultValue<GetDirDetails>(const GetDirDetails::Result& r, std::shared_ptr<AFS::TraverserCallback>& cb /*throw X*/)
 {
-    for (const FsItemRaw& rawItem : r)
-        scheduler_.run<GetItemDetails>({ GetItemDetails(rawItem), TravContext{ rawItem.itemName, 0 /*errorRetryCount*/, cb }});
+    //attention: if we simply appended to the work queue this would repeatedly allow for situations where a large number of directories are traversed one after another
+    //           without intermittent calls to evalResultValue<GetItemDetails>() => user incorrectly thinks the app is hanging! https://freefilesync.org/forum/viewtopic.php?t=5729
+    //solution: *prepend* GetItemDetails() tasks (in correct order) to the work queue ASAP:
+    std::for_each(r.rbegin(), r.rend(), [&](const FsItemRaw& rawItem)
+    {
+        scheduler_.run<GetItemDetails>({ GetItemDetails(rawItem), TravContext{ rawItem.itemName, 0 /*errorRetryCount*/, cb }},
+                                       true /*insertFront*/);
+    });
 }
 
 
@@ -292,7 +297,7 @@ void GenericDirTraverser<GetDirDetails, GetItemDetails, GetLinkTargetDetails>::e
     else //a file or named pipe, etc.
         cb->onFile({ r.raw.itemName, r.target.fileSize, r.target.modTime, convertToAbstractFileId(r.target.fileId), &linkInfo }); //throw X
 }
-}
+
 
 namespace
 {
@@ -303,13 +308,13 @@ namespace
 class RecycleSessionNative : public AbstractFileSystem::RecycleSession
 {
 public:
-    RecycleSessionNative(const Zstring baseFolderPath) : baseFolderPathPf_(appendSeparator(baseFolderPath)) {}
+    RecycleSessionNative(const Zstring baseFolderPath) : baseFolderPath_(baseFolderPath) {}
 
     bool recycleItem(const AbstractPath& itemPath, const Zstring& logicalRelPath) override; //throw FileError
     void tryCleanup(const std::function<void (const std::wstring& displayPath)>& notifyDeletionStatus) override; //throw FileError
 
 private:
-    const Zstring baseFolderPathPf_; //ends with path separator
+    const Zstring baseFolderPath_; //ends with path separator
 };
 
 //===========================================================================================================================
@@ -387,7 +392,7 @@ public:
     NativeFileSystem(const Zstring& rootPath) : rootPath_(rootPath) {}
 
 private:
-    Zstring getNativePath(const AfsPath& afsPath) const { return appendPaths(rootPath_, afsPath.value, FILE_NAME_SEPARATOR); }
+    Zstring getNativePath(const AfsPath& afsPath) const { return nativeAppendPaths(rootPath_, afsPath.value); }
 
     std::optional<Zstring> getNativeItemPath(const AfsPath& afsPath) const override { return getNativePath(afsPath); }
 
@@ -397,11 +402,11 @@ private:
 
     bool isNullFileSystem() const override { return rootPath_.empty(); }
 
-    int compareDeviceRootSameAfsType(const AbstractFileSystem& afsRhs) const override
+    int compareDeviceSameAfsType(const AbstractFileSystem& afsRhs) const override
     {
         const Zstring& rootPathRhs = static_cast<const NativeFileSystem&>(afsRhs).rootPath_;
 
-        return compareLocalPath(rootPath_, rootPathRhs);
+        return compareNativePath(rootPath_, rootPathRhs);
     }
 
     //----------------------------------------------------------------------------------------------------------------
@@ -421,9 +426,9 @@ private:
         return AFS::ItemType::FILE;
     }
 
-    PathStatusImpl getPathStatus(const AfsPath& afsPath) const override //throw FileError
+    std::optional<ItemType> itemStillExists(const AfsPath& afsPath) const override //throw FileError
     {
-        return getPathStatusViaFolderTraversal(afsPath); //throw FileError
+        return itemStillExistsViaFolderTraversal(afsPath); //throw FileError
     }
     //----------------------------------------------------------------------------------------------------------------
 
@@ -459,6 +464,12 @@ private:
         zen::setFileTime(getNativePath(afsPath), modTime, ProcSymlink::FOLLOW); //throw FileError
     }
 
+    FileId /*optional*/ getFileId(const AfsPath& afsPath) const override //throw FileError
+    {
+        initComForThread(); //throw FileError
+        return convertToAbstractFileId(zen::getFileId(getNativePath(afsPath))); //throw FileError
+    }
+
     AbstractPath getSymlinkResolvedPath(const AfsPath& afsPath) const override //throw FileError
     {
         initComForThread(); //throw FileError
@@ -470,7 +481,7 @@ private:
             throw FileError(replaceCpy(_("Cannot determine final path for %x."), L"%x", fmtPath(nativePath)),
                             replaceCpy<std::wstring>(L"Invalid path %x.", L"%x", fmtPath(resolvedPath)));
 
-        return AbstractPath(std::make_shared<NativeFileSystem>(comp->rootPath), AfsPath(comp->relPath));
+        return AbstractPath(makeSharedRef<NativeFileSystem>(comp->rootPath), AfsPath(comp->relPath));
     }
 
     std::string getSymlinkBinaryContent(const AfsPath& afsPath) const override //throw FileError
@@ -500,7 +511,7 @@ private:
     }
 
     //----------------------------------------------------------------------------------------------------------------
-    void traverseFolderRecursive(const TraverserWorkloadImpl& workload /*throw X*/, size_t parallelOps) const override
+    void traverseFolderRecursive(const TraverserWorkload& workload /*throw X*/, size_t parallelOps) const override
     {
         //initComForThread() -> done on traverser worker threads
 
@@ -517,7 +528,7 @@ private:
     FileCopyResult copyFileForSameAfsType(const AfsPath& afsPathSource, const StreamAttributes& attrSource, //throw FileError, ErrorFileLocked
                                           const AbstractPath& apTarget, bool copyFilePermissions, const IOCallback& notifyUnbufferedIO) const override //may be nullptr; throw X!
     {
-        const Zstring nativePathTarget = static_cast<const NativeFileSystem&>(getAfs(apTarget)).getNativePath(getAfsPath(apTarget));
+        const Zstring nativePathTarget = static_cast<const NativeFileSystem&>(apTarget.afsDevice.ref()).getNativePath(apTarget.afsPath);
 
         initComForThread(); //throw FileError
 
@@ -539,7 +550,7 @@ private:
         initComForThread(); //throw FileError
 
         const Zstring& sourcePath = getNativePath(afsPathSource);
-        const Zstring& targetPath = static_cast<const NativeFileSystem&>(getAfs(apTarget)).getNativePath(getAfsPath(apTarget));
+        const Zstring& targetPath = static_cast<const NativeFileSystem&>(apTarget.afsDevice.ref()).getNativePath(apTarget.afsPath);
 
         zen::createDirectory(targetPath); //throw FileError, ErrorTargetExisting
 
@@ -548,7 +559,7 @@ private:
 
         //do NOT copy attributes for volume root paths which return as: FILE_ATTRIBUTE_HIDDEN | FILE_ATTRIBUTE_SYSTEM | FILE_ATTRIBUTE_DIRECTORY
         //https://freefilesync.org/forum/viewtopic.php?t=5550
-        if (getParentAfsPath(afsPathSource)) //=> not a root path
+        if (getParentPath(afsPathSource)) //=> not a root path
             tryCopyDirectoryAttributes(sourcePath, targetPath); //throw FileError
 
         if (copyFilePermissions)
@@ -557,7 +568,7 @@ private:
 
     void copySymlinkForSameAfsType(const AfsPath& afsPathSource, const AbstractPath& apTarget, bool copyFilePermissions) const override //throw FileError
     {
-        const Zstring nativePathTarget = static_cast<const NativeFileSystem&>(getAfs(apTarget)).getNativePath(getAfsPath(apTarget));
+        const Zstring nativePathTarget = static_cast<const NativeFileSystem&>(apTarget.afsDevice.ref()).getNativePath(apTarget.afsPath);
 
         initComForThread(); //throw FileError
         zen::copySymlink(getNativePath(afsPathSource), nativePathTarget, copyFilePermissions); //throw FileError
@@ -568,14 +579,14 @@ private:
     {
         //perf test: detecting different volumes by path is ~30 times faster than having MoveFileEx fail with ERROR_NOT_SAME_DEVICE (6µs vs 190µs)
         //=> maybe we can even save some actual I/O in some cases?
-        if (compareDeviceRootSameAfsType(getAfs(apTarget)) != 0)
+        if (compareDeviceSameAfsType(apTarget.afsDevice.ref()) != 0)
             throw ErrorDifferentVolume(replaceCpy(replaceCpy(_("Cannot move file %x to %y."),
                                                              L"%x", L"\n" + fmtPath(getDisplayPath(afsPathSource))),
                                                   L"%y", L"\n" + fmtPath(AFS::getDisplayPath(apTarget))),
                                        formatSystemError(L"compareDeviceRoot", EXDEV)
                                       );
         initComForThread(); //throw FileError
-        const Zstring nativePathTarget = static_cast<const NativeFileSystem&>(getAfs(apTarget)).getNativePath(getAfsPath(apTarget));
+        const Zstring nativePathTarget = static_cast<const NativeFileSystem&>(apTarget.afsDevice.ref()).getNativePath(apTarget.afsPath);
         zen::renameFile(getNativePath(afsPathSource), nativePathTarget); //throw FileError, ErrorTargetExisting, ErrorDifferentVolume
     }
 
@@ -694,7 +705,7 @@ AbstractPath fff::createItemPathNative(const Zstring& itemPathPhrase) //noexcept
 AbstractPath fff::createItemPathNativeNoFormatting(const Zstring& nativePath) //noexcept
 {
     if (const std::optional<PathComponents> comp = parsePathComponents(nativePath))
-        return AbstractPath(std::make_shared<NativeFileSystem>(comp->rootPath), AfsPath(comp->relPath));
+        return AbstractPath(makeSharedRef<NativeFileSystem>(comp->rootPath), AfsPath(comp->relPath));
     else //path syntax broken
-        return AbstractPath(std::make_shared<NativeFileSystem>(nativePath), AfsPath());
+        return AbstractPath(makeSharedRef<NativeFileSystem>(nativePath), AfsPath());
 }
diff --git a/FreeFileSync/Source/ui/batch_status_handler.cpp b/FreeFileSync/Source/ui/batch_status_handler.cpp
index 8b52bacf..51eefbf1 100755
--- a/FreeFileSync/Source/ui/batch_status_handler.cpp
+++ b/FreeFileSync/Source/ui/batch_status_handler.cpp
@@ -79,18 +79,23 @@ BatchStatusHandler::Result BatchStatusHandler::reportFinalStatus(const Zstring&
     const SyncResult finalStatus = [&]
     {
         if (getAbortStatus())
+        {
+            errorLog_.logMsg(_("Stopped"), MSG_TYPE_ERROR); //= user cancel; *not* a MSG_TYPE_FATAL_ERROR!
             return SyncResult::ABORTED;
+        }
         else if (errorLog_.getItemCount(MSG_TYPE_ERROR | MSG_TYPE_FATAL_ERROR) > 0)
             return SyncResult::FINISHED_WITH_ERROR;
         else if (errorLog_.getItemCount(MSG_TYPE_WARNING) > 0)
             return SyncResult::FINISHED_WITH_WARNINGS;
-        else
-            return SyncResult::FINISHED_WITH_SUCCESS;
+
+        if (getStatsTotal(currentPhase()) == ProgressStats())
+            errorLog_.logMsg(_("Nothing to synchronize"), MSG_TYPE_INFO);
+        return SyncResult::FINISHED_WITH_SUCCESS;
     }();
 
     assert(finalStatus == SyncResult::ABORTED || currentPhase() == PHASE_SYNCHRONIZING);
 
-    ProcessSummary summary
+    const ProcessSummary summary
     {
         finalStatus, jobName_,
         getStatsCurrent(currentPhase()),
@@ -98,12 +103,6 @@ BatchStatusHandler::Result BatchStatusHandler::reportFinalStatus(const Zstring&
         totalTime
     };
 
-    const std::wstring& finalStatusLabel = finalStatus == SyncResult::FINISHED_WITH_SUCCESS &&
-                                           summary.statsTotal.items == 0 &&
-                                           summary.statsTotal.bytes == 0 ? _("Nothing to synchronize") :
-                                           getFinalStatusLabel(finalStatus);
-    errorLog_.logMsg(finalStatusLabel, getFinalMsgType(finalStatus));
-
     //post sync command
     Zstring commandLine = [&]
     {
diff --git a/FreeFileSync/Source/ui/cfg_grid.cpp b/FreeFileSync/Source/ui/cfg_grid.cpp
index db49bee4..3d5023b4 100755
--- a/FreeFileSync/Source/ui/cfg_grid.cpp
+++ b/FreeFileSync/Source/ui/cfg_grid.cpp
@@ -84,7 +84,7 @@ void ConfigView::addCfgFiles(const std::vector<Zstring>& filePaths)
 
             std::tie(detail.name, detail.cfgType, detail.isLastRunCfg) = [&]
             {
-                if (equalLocalPath(filePath, lastRunConfigPath_))
+                if (equalNativePath(filePath, lastRunConfigPath_))
                     return std::make_tuple(utfTo<Zstring>(L"<" + _("Last session") + L">"), Details::CFG_TYPE_GUI, true);
 
                 const Zstring fileName = afterLast(filePath, FILE_NAME_SEPARATOR, IF_MISSING_RETURN_ALL);
@@ -110,9 +110,9 @@ void ConfigView::addCfgFiles(const std::vector<Zstring>& filePaths)
 
 void ConfigView::removeItems(const std::vector<Zstring>& filePaths)
 {
-    const std::set<Zstring, LessLocalPath> pathsSorted(filePaths.begin(), filePaths.end());
+    const std::set<Zstring, LessNativePath> pathsSorted(filePaths.begin(), filePaths.end());
 
-    erase_if(cfgListView_, [&](auto it) { return pathsSorted.find(it->first) != pathsSorted.end(); });
+    eraseIf(cfgListView_, [&](auto it) { return pathsSorted.find(it->first) != pathsSorted.end(); });
 
     for (const Zstring& filePath : filePaths)
         cfgList_.erase(filePath);
@@ -581,7 +581,7 @@ void cfggrid::addAndSelect(Grid& grid, const std::vector<Zstring>& filePaths, bo
 
     grid.clearSelection(GridEventPolicy::DENY);
 
-    const std::set<Zstring, LessLocalPath> pathsSorted(filePaths.begin(), filePaths.end());
+    const std::set<Zstring, LessNativePath> pathsSorted(filePaths.begin(), filePaths.end());
     std::optional<size_t> selectionTopRow;
 
     for (size_t i = 0; i < grid.getRowCount(); ++i)
diff --git a/FreeFileSync/Source/ui/cfg_grid.h b/FreeFileSync/Source/ui/cfg_grid.h
index 66cd4dd8..3983df06 100755
--- a/FreeFileSync/Source/ui/cfg_grid.h
+++ b/FreeFileSync/Source/ui/cfg_grid.h
@@ -134,7 +134,7 @@ private:
 
     const Zstring lastRunConfigPath_ = getLastRunConfigPath(); //let's not use another static...
 
-    using CfgFileList = std::map<Zstring /*file path*/, Details, LessLocalPath>;
+    using CfgFileList = std::map<Zstring /*file path*/, Details, LessNativePath>;
 
     CfgFileList cfgList_;
     std::vector<CfgFileList::iterator> cfgListView_; //sorted view on cfgList_
diff --git a/FreeFileSync/Source/ui/command_box.cpp b/FreeFileSync/Source/ui/command_box.cpp
index 9d8c7a9b..2ef53a51 100755
--- a/FreeFileSync/Source/ui/command_box.cpp
+++ b/FreeFileSync/Source/ui/command_box.cpp
@@ -75,7 +75,7 @@ void CommandBox::addItemHistory()
             equalNoCase(newCommand, cmd))
             return;
 
-    erase_if(history_, [&](const Zstring& item) { return equalNoCase(newCommand, item); });
+    eraseIf(history_, [&](const Zstring& item) { return equalNoCase(newCommand, item); });
 
     history_.insert(history_.begin(), newCommand);
 
@@ -192,7 +192,7 @@ void CommandBox::OnKeyEvent(wxKeyEvent& event)
                     //this->SetSelection(wxNOT_FOUND);
 
                     //delete selected row
-                    erase_if(history_, [&](const Zstring& item) { return item == selValue; });
+                    eraseIf(history_, [&](const Zstring& item) { return item == selValue; });
 
                     SetString(pos, wxString()); //in contrast to Delete(), this one does not kill the drop-down list and gives a nice visual feedback!
                     //Delete(pos);
diff --git a/FreeFileSync/Source/ui/file_view.cpp b/FreeFileSync/Source/ui/file_view.cpp
index fdf23760..f5d2f79e 100755
--- a/FreeFileSync/Source/ui/file_view.cpp
+++ b/FreeFileSync/Source/ui/file_view.cpp
@@ -262,7 +262,7 @@ void FileView::removeInvalidRows()
     rowPositionsFirstChild_.clear();
 
     //remove rows that have been deleted meanwhile
-    erase_if(sortedRef_, [&](const RefIndex& refIdx) { return !FileSystemObject::retrieve(refIdx.objId); });
+    eraseIf(sortedRef_, [&](const RefIndex& refIdx) { return !FileSystemObject::retrieve(refIdx.objId); });
 }
 
 
diff --git a/FreeFileSync/Source/ui/folder_history_box.cpp b/FreeFileSync/Source/ui/folder_history_box.cpp
index 888d2a0f..932e6730 100755
--- a/FreeFileSync/Source/ui/folder_history_box.cpp
+++ b/FreeFileSync/Source/ui/folder_history_box.cpp
@@ -62,8 +62,8 @@ void FolderHistoryBox::setValueAndUpdateList(const wxString& folderPathPhrase)
     //populate selection list....
     std::vector<wxString> dirList;
     {
-        //add some aliases to allow user changing to volume name and back, if possible
-        std::vector<Zstring> aliases = getDirectoryAliases(utfTo<Zstring>(folderPathPhrase)); //may block when resolving [<volume name>]
+        //allow user changing to volume name and back, if possible
+        std::vector<Zstring> aliases = getFolderPathAliases(utfTo<Zstring>(folderPathPhrase)); //may block when resolving [<volume name>]
         std::transform(aliases.begin(), aliases.end(), std::back_inserter(dirList), [](const Zstring& str) { return utfTo<wxString>(str); });
     }
     if (sharedHistory_.get())
diff --git a/FreeFileSync/Source/ui/folder_history_box.h b/FreeFileSync/Source/ui/folder_history_box.h
index bcbe343b..e83346e1 100755
--- a/FreeFileSync/Source/ui/folder_history_box.h
+++ b/FreeFileSync/Source/ui/folder_history_box.h
@@ -41,7 +41,7 @@ public:
         const Zstring nameTmp = zen::trimCpy(folderPathPhrase);
 
         //insert new folder or put it to the front if already existing
-        zen::erase_if(folderPathPhrases_, [&](const Zstring& item) { return equalNoCase(item, nameTmp); });
+        zen::eraseIf(folderPathPhrases_, [&](const Zstring& item) { return equalNoCase(item, nameTmp); });
 
         folderPathPhrases_.insert(folderPathPhrases_.begin(), nameTmp);
 
@@ -49,7 +49,7 @@ public:
             folderPathPhrases_.resize(maxSize_);
     }
 
-    void delItem(const Zstring& folderPathPhrase) { zen::erase_if(folderPathPhrases_, [&](const Zstring& item) { return equalNoCase(item, folderPathPhrase); }); }
+    void delItem(const Zstring& folderPathPhrase) { zen::eraseIf(folderPathPhrases_, [&](const Zstring& item) { return equalNoCase(item, folderPathPhrase); }); }
 
 private:
     size_t maxSize_ = 0;
diff --git a/FreeFileSync/Source/ui/folder_selector.cpp b/FreeFileSync/Source/ui/folder_selector.cpp
index c050994b..7f44e50e 100755
--- a/FreeFileSync/Source/ui/folder_selector.cpp
+++ b/FreeFileSync/Source/ui/folder_selector.cpp
@@ -145,7 +145,7 @@ void FolderSelector::onItemPathDropped(FileDropEvent& event)
             try
             {
                 if (AFS::getItemType(itemPath) == AFS::ItemType::FILE) //throw FileError
-                    if (std::optional<AbstractPath> parentPath = AFS::getParentFolderPath(itemPath))
+                    if (std::optional<AbstractPath> parentPath = AFS::getParentPath(itemPath))
                         return AFS::getInitPathPhrase(*parentPath);
             }
             catch (FileError&) {} //e.g. good for inactive mapped network shares, not so nice for C:\pagefile.sys
diff --git a/FreeFileSync/Source/ui/gui_generated.cpp b/FreeFileSync/Source/ui/gui_generated.cpp
index 24c86623..201724f6 100755
--- a/FreeFileSync/Source/ui/gui_generated.cpp
+++ b/FreeFileSync/Source/ui/gui_generated.cpp
@@ -1545,7 +1545,7 @@ ConfigDlgGenerated::ConfigDlgGenerated( wxWindow* parent, wxWindowID id, const w
     bSizer159->Add( bSizerCompMisc, 0, wxEXPAND, 5 );
 
 
-    bSizer2561->Add( bSizer159, 1, wxEXPAND, 5 );
+    bSizer2561->Add( bSizer159, 0, wxEXPAND, 5 );
 
     m_staticlinePerformance = new wxStaticLine( m_panelComparisonSettings, wxID_ANY, wxDefaultPosition, wxDefaultSize, wxLI_VERTICAL );
     bSizer2561->Add( m_staticlinePerformance, 0, wxEXPAND, 5 );
@@ -1609,7 +1609,7 @@ ConfigDlgGenerated::ConfigDlgGenerated( wxWindow* parent, wxWindowID id, const w
     bSizerPerformance->Add( bSizer260, 1, wxALL|wxEXPAND, 5 );
 
 
-    bSizer2561->Add( bSizerPerformance, 0, wxEXPAND, 5 );
+    bSizer2561->Add( bSizerPerformance, 1, wxEXPAND, 5 );
 
 
     m_panelComparisonSettings->SetSizer( bSizer2561 );
@@ -2304,7 +2304,7 @@ ConfigDlgGenerated::ConfigDlgGenerated( wxWindow* parent, wxWindowID id, const w
     bSizer2372->Add( m_panelLogfile, 1, 0, 5 );
 
 
-    bSizerSyncMisc->Add( bSizer2372, 1, wxALL|wxALIGN_CENTER_VERTICAL, 10 );
+    bSizerSyncMisc->Add( bSizer2372, 1, wxALL, 10 );
 
     m_staticline57 = new wxStaticLine( m_panelSyncSettings, wxID_ANY, wxDefaultPosition, wxDefaultSize, wxLI_VERTICAL );
     bSizerSyncMisc->Add( m_staticline57, 0, wxEXPAND, 5 );
@@ -2315,7 +2315,7 @@ ConfigDlgGenerated::ConfigDlgGenerated( wxWindow* parent, wxWindowID id, const w
     wxBoxSizer* bSizer251;
     bSizer251 = new wxBoxSizer( wxHORIZONTAL );
 
-    m_staticText89 = new wxStaticText( m_panelSyncSettings, wxID_ANY, _("Run a command after synchronization:"), wxDefaultPosition, wxDefaultSize, 0 );
+    m_staticText89 = new wxStaticText( m_panelSyncSettings, wxID_ANY, _("Run a command:"), wxDefaultPosition, wxDefaultSize, 0 );
     m_staticText89->Wrap( -1 );
     bSizer251->Add( m_staticText89, 0, wxALIGN_CENTER_VERTICAL|wxRIGHT, 5 );
 
@@ -2334,10 +2334,10 @@ ConfigDlgGenerated::ConfigDlgGenerated( wxWindow* parent, wxWindowID id, const w
     bSizer247->Add( m_comboBoxPostSyncCommand, 0, wxTOP|wxEXPAND, 5 );
 
 
-    bSizerSyncMisc->Add( bSizer247, 1, wxALL|wxALIGN_CENTER_VERTICAL, 10 );
+    bSizerSyncMisc->Add( bSizer247, 1, wxALL, 10 );
 
 
-    bSizer232->Add( bSizerSyncMisc, 0, wxEXPAND, 5 );
+    bSizer232->Add( bSizerSyncMisc, 1, wxEXPAND, 5 );
 
 
     m_panelSyncSettings->SetSizer( bSizer232 );
@@ -4231,7 +4231,7 @@ OptionsDlgGenerated::OptionsDlgGenerated( wxWindow* parent, wxWindowID id, const
     wxBoxSizer* bSizer282;
     bSizer282 = new wxBoxSizer( wxHORIZONTAL );
 
-    m_checkBoxLogFilesMaxAge = new wxCheckBox( m_panel39, wxID_ANY, _("Remove old log files after x days:"), wxDefaultPosition, wxDefaultSize, 0 );
+    m_checkBoxLogFilesMaxAge = new wxCheckBox( m_panel39, wxID_ANY, _("&Delete logs after x days:"), wxDefaultPosition, wxDefaultSize, 0 );
     bSizer282->Add( m_checkBoxLogFilesMaxAge, 0, wxALIGN_CENTER_VERTICAL|wxRIGHT, 5 );
 
     m_spinCtrlLogFilesMaxAge = new wxSpinCtrl( m_panel39, wxID_ANY, wxEmptyString, wxDefaultPosition, wxSize( -1, -1 ), wxSP_ARROW_KEYS, 1, 2000000000, 1 );
@@ -4466,7 +4466,7 @@ AboutDlgGenerated::AboutDlgGenerated( wxWindow* parent, wxWindowID id, const wxS
     wxBoxSizer* bSizer186;
     bSizer186 = new wxBoxSizer( wxVERTICAL );
 
-    m_staticText94 = new wxStaticText( m_panel41, wxID_ANY, _("Feedback and suggestions are welcome"), wxDefaultPosition, wxDefaultSize, 0 );
+    m_staticText94 = new wxStaticText( m_panel41, wxID_ANY, _("Feedback and suggestions are welcome:"), wxDefaultPosition, wxDefaultSize, 0 );
     m_staticText94->Wrap( -1 );
     bSizer186->Add( m_staticText94, 0, wxALL, 5 );
 
@@ -4727,7 +4727,7 @@ AboutDlgGenerated::AboutDlgGenerated( wxWindow* parent, wxWindowID id, const wxS
     wxBoxSizer* bSizer185;
     bSizer185 = new wxBoxSizer( wxVERTICAL );
 
-    m_staticText93 = new wxStaticText( m_panel41, wxID_ANY, _("Published under the GNU General Public License"), wxDefaultPosition, wxDefaultSize, 0 );
+    m_staticText93 = new wxStaticText( m_panel41, wxID_ANY, _("Published under the GNU General Public License:"), wxDefaultPosition, wxDefaultSize, 0 );
     m_staticText93->Wrap( -1 );
     bSizer185->Add( m_staticText93, 0, wxALL, 5 );
 
diff --git a/FreeFileSync/Source/ui/gui_status_handler.cpp b/FreeFileSync/Source/ui/gui_status_handler.cpp
index 0a52e18a..1e0460e5 100755
--- a/FreeFileSync/Source/ui/gui_status_handler.cpp
+++ b/FreeFileSync/Source/ui/gui_status_handler.cpp
@@ -9,12 +9,10 @@
 #include <zen/shutdown.h>
 #include <wx/app.h>
 #include <wx/wupdlock.h>
-//#include <wx+/bitmap_button.h>
 #include <wx+/popup_dlg.h>
 #include "main_dlg.h"
 #include "../base/generate_logfile.h"
 #include "../base/resolve_path.h"
-//#include "../base/status_handler_impl.h"
 #include "../fs/concrete.h"
 
 using namespace zen;
@@ -133,7 +131,10 @@ StatusHandlerTemporaryPanel::Result StatusHandlerTemporaryPanel::reportFinalStat
     const SyncResult finalStatus = [&]
     {
         if (getAbortStatus())
+        {
+            errorLog_.logMsg(_("Stopped"), MSG_TYPE_ERROR); //= user cancel; *not* a MSG_TYPE_FATAL_ERROR!
             return SyncResult::ABORTED;
+        }
         else if (errorLog_.getItemCount(MSG_TYPE_ERROR | MSG_TYPE_FATAL_ERROR) > 0)
             return SyncResult::FINISHED_WITH_ERROR;
         else if (errorLog_.getItemCount(MSG_TYPE_WARNING) > 0)
@@ -142,9 +143,7 @@ StatusHandlerTemporaryPanel::Result StatusHandlerTemporaryPanel::reportFinalStat
             return SyncResult::FINISHED_WITH_SUCCESS;
     }();
 
-    errorLog_.logMsg(getFinalStatusLabel(finalStatus), getFinalMsgType(finalStatus));
-
-    ProcessSummary summary
+    const ProcessSummary summary
     {
         finalStatus, {} /*jobName*/,
         getStatsCurrent(currentPhase()),
@@ -152,7 +151,6 @@ StatusHandlerTemporaryPanel::Result StatusHandlerTemporaryPanel::reportFinalStat
         totalTime
     };
 
-
     auto errorLogFinal = std::make_shared<const ErrorLog>(std::move(errorLog_));
     errorLog_ = ErrorLog(); //see check in ~StatusHandlerTemporaryPanel()
 
@@ -350,18 +348,23 @@ StatusHandlerFloatingDialog::Result StatusHandlerFloatingDialog::reportFinalStat
     const SyncResult finalStatus = [&]
     {
         if (getAbortStatus())
+        {
+            errorLog_.logMsg(_("Stopped"), MSG_TYPE_ERROR); //= user cancel; *not* a MSG_TYPE_FATAL_ERROR!
             return SyncResult::ABORTED;
+        }
         else if (errorLog_.getItemCount(MSG_TYPE_ERROR | MSG_TYPE_FATAL_ERROR) > 0)
             return SyncResult::FINISHED_WITH_ERROR;
         else if (errorLog_.getItemCount(MSG_TYPE_WARNING) > 0)
             return SyncResult::FINISHED_WITH_WARNINGS;
-        else
-            return SyncResult::FINISHED_WITH_SUCCESS;
+
+        if (getStatsTotal(currentPhase()) == ProgressStats())
+            errorLog_.logMsg(_("Nothing to synchronize"), MSG_TYPE_INFO);
+        return SyncResult::FINISHED_WITH_SUCCESS;
     }();
 
     assert(finalStatus == SyncResult::ABORTED || currentPhase() == PHASE_SYNCHRONIZING);
 
-    ProcessSummary summary
+    const ProcessSummary summary
     {
         finalStatus, jobName_,
         getStatsCurrent(currentPhase()),
@@ -369,12 +372,6 @@ StatusHandlerFloatingDialog::Result StatusHandlerFloatingDialog::reportFinalStat
         totalTime
     };
 
-    const std::wstring& finalStatusLabel = finalStatus == SyncResult::FINISHED_WITH_SUCCESS &&
-                                           summary.statsTotal.items == 0 &&
-                                           summary.statsTotal.bytes == 0 ? _("Nothing to synchronize") :
-                                           getFinalStatusLabel(finalStatus);
-    errorLog_.logMsg(finalStatusLabel, getFinalMsgType(finalStatus));
-
     //post sync command
     Zstring commandLine = [&]
     {
diff --git a/FreeFileSync/Source/ui/log_panel.cpp b/FreeFileSync/Source/ui/log_panel.cpp
index fc7810e0..fca60a36 100755
--- a/FreeFileSync/Source/ui/log_panel.cpp
+++ b/FreeFileSync/Source/ui/log_panel.cpp
@@ -536,7 +536,7 @@ void LogPanel::copySelectionToClipboard()
         if (auto prov = m_gridMessages->getDataProvider())
         {
             std::vector<Grid::ColAttributes> colAttr = m_gridMessages->getColumnConfig();
-            erase_if(colAttr, [](const Grid::ColAttributes& ca) { return !ca.visible; });
+            eraseIf(colAttr, [](const Grid::ColAttributes& ca) { return !ca.visible; });
             if (!colAttr.empty())
                 for (size_t row : m_gridMessages->getSelectedRows())
                 {
diff --git a/FreeFileSync/Source/ui/main_dlg.cpp b/FreeFileSync/Source/ui/main_dlg.cpp
index 1cb67b60..92a545ee 100755
--- a/FreeFileSync/Source/ui/main_dlg.cpp
+++ b/FreeFileSync/Source/ui/main_dlg.cpp
@@ -263,13 +263,19 @@ XmlGlobalSettings tryLoadGlobalConfig(const Zstring& globalConfigFilePath) //blo
     {
         std::wstring warningMsg;
         readConfig(globalConfigFilePath, globalCfg, warningMsg); //throw FileError
-
         assert(warningMsg.empty()); //ignore parsing errors: should be migration problems only *cross-fingers*
     }
-    catch (const FileError& e)
+    catch (FileError&)
     {
-        if (!itemNotExisting(globalConfigFilePath)) //existing or access error
+        try
+        {
+            if (itemStillExists(globalConfigFilePath)) //throw FileError
+                throw;
+        }
+        catch (const FileError& e)
+        {
             showNotificationDialog(nullptr, DialogInfoType::ERROR2, PopupDialogCfg().setDetailInstructions(e.toString())); //no parent window: main dialog not yet created!
+        }
     }
     return globalCfg;
 }
@@ -284,7 +290,7 @@ void MainDialog::create(const Zstring& globalConfigFilePath)
 
     //------------------------------------------------------------------------------------------
     //check existence of all files in parallel:
-    GetFirstResult<std::false_type> firstUnavailableFile;
+    AsyncFirstResult<std::false_type> firstUnavailableFile;
 
     for (const Zstring& filePath : cfgFilePaths)
         firstUnavailableFile.addJob([filePath]() -> std::optional<std::false_type>
@@ -372,8 +378,8 @@ MainDialog::MainDialog(const Zstring& globalConfigFilePath,
     MainDialogGenerated(nullptr),
     globalConfigFilePath_(globalConfigFilePath)
 {
-    m_folderPathLeft ->init(folderHistoryLeft_);
-    m_folderPathRight->init(folderHistoryRight_);
+    m_folderPathLeft ->init(folderHistoryLeft_ .ptr());
+    m_folderPathRight->init(folderHistoryRight_.ptr());
 
     //setup sash: detach + reparent:
     m_splitterMain->SetSizer(nullptr); //alas wxFormbuilder doesn't allow us to have child windows without a sizer, so we have to remove it here
@@ -716,8 +722,8 @@ MainDialog::MainDialog(const Zstring& globalConfigFilePath,
     //1. setConfig() indirectly calls cfggrid::addAndSelect() which changes cfg history scroll position
     //2. Grid::makeRowVisible() requires final window height! => do this after window resizing is complete
     if (m_gridCfgHistory->getRowCount() > 0)
-        m_gridCfgHistory->scrollTo(numeric::clampCpy<size_t>(globalSettings.gui.mainDlg.cfgGridTopRowPos, //must be set *after* wxAuiManager::LoadPerspective() to have any effect
-                                                             0,  m_gridCfgHistory->getRowCount() - 1));
+        m_gridCfgHistory->scrollTo(std::clamp<size_t>(globalSettings.gui.mainDlg.cfgGridTopRowPos, //must be set *after* wxAuiManager::LoadPerspective() to have any effect
+                                                      0,  m_gridCfgHistory->getRowCount() - 1));
 
     //first selected item should always be visible:
     const std::vector<size_t> selectedRows = m_gridCfgHistory->getSelectedRows();
@@ -764,7 +770,7 @@ MainDialog::MainDialog(const Zstring& globalConfigFilePath,
         if (havePartialPair != haveFullPair) //either all pairs full or all half-filled -> validity check!
         {
             //check existence of all directories in parallel!
-            GetFirstResult<std::false_type> firstMissingDir;
+            AsyncFirstResult<std::false_type> firstMissingDir;
             for (const AbstractPath& folderPath : folderPathsToCheck)
                 firstMissingDir.addJob([folderPath]() -> std::optional<std::false_type>
             {
@@ -867,36 +873,41 @@ void MainDialog::setGlobalCfgOnInit(const XmlGlobalSettings& globalSettings)
     //caveat set/get language asymmmetry! setLanguage(globalSettings.programLanguage); //throw FileError
     //we need to set langugabe before creating this class!
 
+    wxSize newSize(fastFromDIP(900), fastFromDIP(600)); //default window size
+    std::optional<wxPoint> newPos;
     //set dialog size and position:
     // - width/height are invalid if the window is minimized (eg x,y == -32000; height = 28, width = 160)
     // - multi-monitor setups: dialog may be placed on second monitor which is currently turned off
     if (globalSettings.gui.mainDlg.dlgSize.GetWidth () > 0 &&
         globalSettings.gui.mainDlg.dlgSize.GetHeight() > 0)
     {
+        newSize = globalSettings.gui.mainDlg.dlgSize;
+
         //calculate how much of the dialog will be visible on screen
-        const int dialogAreaTotal = globalSettings.gui.mainDlg.dlgSize.GetWidth() * globalSettings.gui.mainDlg.dlgSize.GetHeight();
-        int dialogAreaVisible = 0;
+        const int dlgArea = newSize.GetWidth() * newSize.GetHeight();
+        int dlgAreaMaxVisible = 0;
 
         const int monitorCount = wxDisplay::GetCount();
         for (int i = 0; i < monitorCount; ++i)
         {
-            wxRect intersection = wxDisplay(i).GetClientArea().Intersect(wxRect(globalSettings.gui.mainDlg.dlgPos, globalSettings.gui.mainDlg.dlgSize));
-            dialogAreaVisible = std::max(dialogAreaVisible, intersection.GetWidth() * intersection.GetHeight());
+            wxRect intersection = wxDisplay(i).GetClientArea().Intersect(wxRect(globalSettings.gui.mainDlg.dlgPos, newSize));
+            dlgAreaMaxVisible = std::max(dlgAreaMaxVisible, intersection.GetWidth() * intersection.GetHeight());
         }
 
-        //wxGTK's wxWindow::SetSize seems unreliable and behaves like a wxWindow::SetClientSize
-        //=> use wxWindow::SetClientSize instead (for the record: no such issue on Windows/OS X)
-        SetClientSize(globalSettings.gui.mainDlg.dlgSize);
-
-        if (dialogAreaVisible > 0.1 * dialogAreaTotal  //at least 10% of the dialog should be visible!
+        if (dlgAreaMaxVisible > 0.1 * dlgArea  //at least 10% of the dialog should be visible!
            )
-            SetPosition(globalSettings.gui.mainDlg.dlgPos);
-        else
-            Center();
+            newPos = globalSettings.gui.mainDlg.dlgPos;
     }
-    else //default window size and position
+
+    //old comment: "wxGTK's wxWindow::SetSize seems unreliable and behaves like a wxWindow::SetClientSize
+    //              => use wxWindow::SetClientSize instead (for the record: no such issue on Windows/OS X)
+    //2018-10-15: Weird new problem on Centos/Ubuntu: SetClientSize() + SetPosition() fail to set correct dialog *position*, but SetSize() + SetPosition() do!
+    //              => old issues with SetSize() seem to be gone... => revert to SetSize()
+    if (newPos)
+        SetSize(wxRect(*newPos, newSize));
+    else
     {
-        SetClientSize(wxSize(fastFromDIP(900), fastFromDIP(550))); //=~ 900 x 600 total size
+        SetSize(newSize);
         Center();
     }
 
@@ -939,8 +950,8 @@ void MainDialog::setGlobalCfgOnInit(const XmlGlobalSettings& globalSettings)
     //--------------------------------------------------------------------------------
 
     //load list of last used folders
-    *folderHistoryLeft_  = FolderHistory(globalSettings.gui.mainDlg.folderHistoryLeft,  globalSettings.gui.mainDlg.folderHistItemsMax);
-    *folderHistoryRight_ = FolderHistory(globalSettings.gui.mainDlg.folderHistoryRight, globalSettings.gui.mainDlg.folderHistItemsMax);
+    folderHistoryLeft_ .ref() = FolderHistory(globalSettings.gui.mainDlg.folderHistoryLeft,  globalSettings.gui.mainDlg.folderHistItemsMax);
+    folderHistoryRight_.ref() = FolderHistory(globalSettings.gui.mainDlg.folderHistoryRight, globalSettings.gui.mainDlg.folderHistItemsMax);
 
     //show/hide file icons
     filegrid::setupIcons(*m_gridMainL, *m_gridMainC, *m_gridMainR, globalSettings.gui.mainDlg.showIcons, convert(globalSettings.gui.mainDlg.iconSize));
@@ -1015,8 +1026,8 @@ XmlGlobalSettings MainDialog::getGlobalCfgBeforeExit()
     globalSettings.gui.mainDlg.lastUsedConfigFiles = activeConfigFiles_;
 
     //write list of last used folders
-    globalSettings.gui.mainDlg.folderHistoryLeft  = folderHistoryLeft_ ->getList();
-    globalSettings.gui.mainDlg.folderHistoryRight = folderHistoryRight_->getList();
+    globalSettings.gui.mainDlg.folderHistoryLeft  = folderHistoryLeft_ .ref().getList();
+    globalSettings.gui.mainDlg.folderHistoryRight = folderHistoryRight_.ref().getList();
 
     globalSettings.gui.mainDlg.textSearchRespectCase = m_checkBoxMatchCase->GetValue();
 
@@ -1046,7 +1057,7 @@ XmlGlobalSettings MainDialog::getGlobalCfgBeforeExit()
         Maximize(false);
     }
 
-    globalSettings.gui.mainDlg.dlgSize = GetClientSize();
+    globalSettings.gui.mainDlg.dlgSize = GetSize();
     globalSettings.gui.mainDlg.dlgPos  = GetPosition();
 
     //wxGTK: returns full screen size and strange position (65/-4)
@@ -1057,7 +1068,6 @@ XmlGlobalSettings MainDialog::getGlobalCfgBeforeExit()
             globalSettings.gui.mainDlg.dlgSize = wxSize();
             globalSettings.gui.mainDlg.dlgPos  = wxPoint();
         }
-
     return globalSettings;
 }
 
@@ -1102,7 +1112,7 @@ void MainDialog::copySelectionToClipboard(const std::vector<const Grid*>& gridRe
             if (auto prov = grid->getDataProvider())
             {
                 std::vector<Grid::ColAttributes> colAttr = grid->getColumnConfig();
-                erase_if(colAttr, [](const Grid::ColAttributes& ca) { return !ca.visible; });
+                eraseIf(colAttr, [](const Grid::ColAttributes& ca) { return !ca.visible; });
                 if (!colAttr.empty())
                     for (size_t row : grid->getSelectedRows())
                     {
@@ -1176,18 +1186,14 @@ std::vector<FileSystemObject*> MainDialog::getTreeSelection() const
 void MainDialog::copyToAlternateFolder(const std::vector<FileSystemObject*>& selectionLeft,
                                        const std::vector<FileSystemObject*>& selectionRight)
 {
-    std::vector<const FileSystemObject*> rowsLeftTmp;
-    std::vector<const FileSystemObject*> rowsRightTmp;
-    std::copy_if(selectionLeft .begin(), selectionLeft .end(), std::back_inserter(rowsLeftTmp),  [](const FileSystemObject* fsObj) { return !fsObj->isEmpty< LEFT_SIDE>(); });
-    std::copy_if(selectionRight.begin(), selectionRight.end(), std::back_inserter(rowsRightTmp), [](const FileSystemObject* fsObj) { return !fsObj->isEmpty<RIGHT_SIDE>(); });
-
-    if (rowsLeftTmp.empty() && rowsRightTmp.empty())
-        return;
+    if (std::all_of(selectionLeft .begin(), selectionLeft .end(), [](const FileSystemObject* fsObj) { return fsObj->isEmpty< LEFT_SIDE>(); }) &&
+    std::all_of(selectionRight.begin(), selectionRight.end(), [](const FileSystemObject* fsObj) { return fsObj->isEmpty< RIGHT_SIDE>(); }))
+    return;
 
     FocusPreserver fp;
 
     if (showCopyToDialog(this,
-                         rowsLeftTmp, rowsRightTmp,
+                         selectionLeft, selectionRight,
                          globalCfg_.gui.mainDlg.copyToCfg.lastUsedPath,
                          globalCfg_.gui.mainDlg.copyToCfg.folderHistory,
                          globalCfg_.gui.mainDlg.folderHistItemsMax,
@@ -1208,7 +1214,7 @@ void MainDialog::copyToAlternateFolder(const std::vector<FileSystemObject*>& sel
                                               guiCfg.mainCfg.automaticRetryDelay); //handle status display and error messages
     try
     {
-        fff::copyToAlternateFolder(rowsLeftTmp, rowsRightTmp,
+        fff::copyToAlternateFolder(selectionLeft, selectionRight,
                                    globalCfg_.gui.mainDlg.copyToCfg.lastUsedPath,
                                    globalCfg_.gui.mainDlg.copyToCfg.keepRelPaths,
                                    globalCfg_.gui.mainDlg.copyToCfg.overwriteIfExists,
@@ -1230,17 +1236,13 @@ void MainDialog::copyToAlternateFolder(const std::vector<FileSystemObject*>& sel
 void MainDialog::deleteSelectedFiles(const std::vector<FileSystemObject*>& selectionLeft,
                                      const std::vector<FileSystemObject*>& selectionRight, bool moveToRecycler)
 {
-    std::vector<FileSystemObject*> rowsLeftTmp  = selectionLeft;
-    std::vector<FileSystemObject*> rowsRightTmp = selectionRight;
-    erase_if(rowsLeftTmp,  [](const FileSystemObject* fsObj) { return fsObj->isEmpty< LEFT_SIDE>(); });
-    erase_if(rowsRightTmp, [](const FileSystemObject* fsObj) { return fsObj->isEmpty<RIGHT_SIDE>(); });
-    if (rowsLeftTmp.empty() && rowsRightTmp.empty())
-        return;
+    if (std::all_of(selectionLeft .begin(), selectionLeft .end(), [](const FileSystemObject* fsObj) { return fsObj->isEmpty< LEFT_SIDE>(); }) &&
+    std::all_of(selectionRight.begin(), selectionRight.end(), [](const FileSystemObject* fsObj) { return fsObj->isEmpty< RIGHT_SIDE>(); }))
+    return;
 
     FocusPreserver fp;
 
-    //sigh: do senseless vector<FileSystemObject*> -> vector<const FileSystemObject*> conversion:
-    if (showDeleteDialog(this, { rowsLeftTmp.begin(), rowsLeftTmp.end() }, { rowsRightTmp.begin(), rowsRightTmp.end() },
+    if (showDeleteDialog(this, selectionLeft, selectionRight,
                          moveToRecycler) != ReturnSmallDlg::BUTTON_OKAY)
         return;
 
@@ -1259,7 +1261,7 @@ void MainDialog::deleteSelectedFiles(const std::vector<FileSystemObject*>& selec
                                               guiCfg.mainCfg.automaticRetryDelay); //handle status display and error messages
     try
     {
-        deleteFromGridAndHD(rowsLeftTmp, rowsRightTmp,
+        deleteFromGridAndHD(selectionLeft, selectionRight,
                             folderCmp_,
                             extractDirectionCfg(getConfig().mainCfg),
                             moveToRecycler,
@@ -1675,7 +1677,8 @@ void MainDialog::enableAllElements()
     m_panelConfig        ->Enable();
     m_panelViewFilter    ->Enable();
 
-    Refresh(); //at least wxWidgets on macOS fails to do this after enabling
+    Refresh();        //at least wxWidgets on macOS fails to do this after enabling
+    auiMgr_.Update(); //
 }
 
 
@@ -2315,8 +2318,8 @@ void MainDialog::onMainGridContextRim(bool leftSide)
 
     std::vector<FileSystemObject*> nonEmptySelectionLeft  = selectionLeft;
     std::vector<FileSystemObject*> nonEmptySelectionRight = selectionRight;
-    erase_if(nonEmptySelectionLeft,  [](const FileSystemObject* fsObj) { return fsObj->isEmpty< LEFT_SIDE>(); });
-    erase_if(nonEmptySelectionRight, [](const FileSystemObject* fsObj) { return fsObj->isEmpty<RIGHT_SIDE>(); });
+    eraseIf(nonEmptySelectionLeft,  [](const FileSystemObject* fsObj) { return fsObj->isEmpty< LEFT_SIDE>(); });
+    eraseIf(nonEmptySelectionRight, [](const FileSystemObject* fsObj) { return fsObj->isEmpty<RIGHT_SIDE>(); });
 
     menu.addSeparator();
 
@@ -2733,7 +2736,7 @@ void MainDialog::cfgHistoryRemoveObsolete(const std::vector<Zstring>& filePaths)
 
 void MainDialog::updateUnsavedCfgStatus()
 {
-    const Zstring activeCfgFilePath = activeConfigFiles_.size() == 1 && !equalLocalPath(activeConfigFiles_[0], lastRunConfigPath_) ? activeConfigFiles_[0] : Zstring();
+    const Zstring activeCfgFilePath = activeConfigFiles_.size() == 1 && !equalNativePath(activeConfigFiles_[0], lastRunConfigPath_) ? activeConfigFiles_[0] : Zstring();
 
     const bool haveUnsavedCfg = lastSavedCfg_ != getConfig();
 
@@ -2780,7 +2783,7 @@ void MainDialog::updateUnsavedCfgStatus()
 
 void MainDialog::OnConfigSave(wxCommandEvent& event)
 {
-    const Zstring activeCfgFilePath = activeConfigFiles_.size() == 1 && !equalLocalPath(activeConfigFiles_[0], lastRunConfigPath_) ? activeConfigFiles_[0] : Zstring();
+    const Zstring activeCfgFilePath = activeConfigFiles_.size() == 1 && !equalNativePath(activeConfigFiles_[0], lastRunConfigPath_) ? activeConfigFiles_[0] : Zstring();
 
     //if we work on a single named configuration document: save directly if changed
     //else: always show file dialog
@@ -2834,7 +2837,7 @@ bool MainDialog::trySaveConfig(const Zstring* guiFilename) //return true if save
     }
     else
     {
-        const Zstring defaultFilePath = activeConfigFiles_.size() == 1 && !equalLocalPath(activeConfigFiles_[0], lastRunConfigPath_) ? activeConfigFiles_[0] : Zstr("SyncSettings.ffs_gui");
+        const Zstring defaultFilePath = activeConfigFiles_.size() == 1 && !equalNativePath(activeConfigFiles_[0], lastRunConfigPath_) ? activeConfigFiles_[0] : Zstr("SyncSettings.ffs_gui");
         auto defaultFolder   = utfTo<wxString>(beforeLast(defaultFilePath, FILE_NAME_SEPARATOR, IF_MISSING_RETURN_NONE));
         auto defaultFileName = utfTo<wxString>(afterLast (defaultFilePath, FILE_NAME_SEPARATOR, IF_MISSING_RETURN_ALL));
 
@@ -2873,7 +2876,7 @@ bool MainDialog::trySaveBatchConfig(const Zstring* batchFileToUpdate)
 {
     //essentially behave like trySaveConfig(): the collateral damage of not saving GUI-only settings "m_bpButtonViewTypeSyncAction" is negligible
 
-    const Zstring activeCfgFilePath = activeConfigFiles_.size() == 1 && !equalLocalPath(activeConfigFiles_[0], lastRunConfigPath_) ? activeConfigFiles_[0] : Zstring();
+    const Zstring activeCfgFilePath = activeConfigFiles_.size() == 1 && !equalNativePath(activeConfigFiles_[0], lastRunConfigPath_) ? activeConfigFiles_[0] : Zstring();
 
     //prepare batch config: reuse existing batch-specific settings from file if available
     BatchExclusiveConfig batchExCfg;
@@ -2957,7 +2960,7 @@ bool MainDialog::saveOldConfig() //return false on user abort
 {
     if (lastSavedCfg_ != getConfig())
     {
-        const Zstring activeCfgFilePath = activeConfigFiles_.size() == 1 && !equalLocalPath(activeConfigFiles_[0], lastRunConfigPath_) ? activeConfigFiles_[0] : Zstring();
+        const Zstring activeCfgFilePath = activeConfigFiles_.size() == 1 && !equalNativePath(activeConfigFiles_[0], lastRunConfigPath_) ? activeConfigFiles_[0] : Zstring();
 
         //notify user about changed settings
         if (globalCfg_.confirmDlgs.popupOnConfigChange)
@@ -3015,7 +3018,7 @@ bool MainDialog::saveOldConfig() //return false on user abort
 
 void MainDialog::OnConfigLoad(wxCommandEvent& event)
 {
-    const Zstring activeCfgFilePath = activeConfigFiles_.size() == 1 && !equalLocalPath(activeConfigFiles_[0], lastRunConfigPath_) ? activeConfigFiles_[0] : Zstring();
+    const Zstring activeCfgFilePath = activeConfigFiles_.size() == 1 && !equalNativePath(activeConfigFiles_[0], lastRunConfigPath_) ? activeConfigFiles_[0] : Zstring();
 
     wxFileDialog filePicker(this,
                             wxString(),
@@ -3683,7 +3686,7 @@ void MainDialog::OnCompare(wxCommandEvent& event)
     const auto& guiCfg = getConfig();
     const std::chrono::system_clock::time_point startTime = std::chrono::system_clock::now();
 
-    const std::map<AbstractPath, size_t>& deviceParallelOps = guiCfg.mainCfg.deviceParallelOps;
+    const std::map<AfsDevice, size_t>& deviceParallelOps = guiCfg.mainCfg.deviceParallelOps;
 
     //handle status display and error messages
     StatusHandlerTemporaryPanel statusHandler(*this, startTime,
@@ -3740,8 +3743,8 @@ void MainDialog::OnCompare(wxCommandEvent& event)
         RequestUserAttention();
 
     //add to folder history after successful comparison only
-    folderHistoryLeft_ ->addItem(utfTo<Zstring>(m_folderPathLeft ->GetValue()));
-    folderHistoryRight_->addItem(utfTo<Zstring>(m_folderPathRight->GetValue()));
+    folderHistoryLeft_ .ref().addItem(utfTo<Zstring>(m_folderPathLeft ->GetValue()));
+    folderHistoryRight_.ref().addItem(utfTo<Zstring>(m_folderPathRight->GetValue()));
 
     assert(m_buttonCompare->GetId() != wxID_ANY);
     if (fp.getFocusId() == m_buttonCompare->GetId())
@@ -3773,7 +3776,8 @@ void MainDialog::updateGui()
 
     m_menuItemExportList->Enable(!folderCmp_.empty()); //a CSV without even folder names confuses users: https://freefilesync.org/forum/viewtopic.php?t=4787
 
-    auiMgr_.Update(); //fix small display distortion, if view filter panel is empty
+    warn_static("still needed???")
+    //auiMgr_.Update(); //fix small display distortion, if view filter panel is empty
 }
 
 
@@ -3879,13 +3883,13 @@ void MainDialog::OnStartSync(wxCommandEvent& event)
         globalCfg_.confirmDlgs.confirmSyncStart = !dontShowAgain;
     }
 
-    const std::map<AbstractPath, size_t>& deviceParallelOps = guiCfg.mainCfg.deviceParallelOps;
+    const std::map<AfsDevice, size_t>& deviceParallelOps = guiCfg.mainCfg.deviceParallelOps;
 
     std::set<AbstractPath> logFilePathsToKeep;
     for (const ConfigFileItem& item : cfggrid::getDataView(*m_gridCfgHistory).get())
         logFilePathsToKeep.insert(item.logFilePath);
 
-    const Zstring activeCfgFilePath = activeConfigFiles_.size() == 1 && !equalLocalPath(activeConfigFiles_[0], lastRunConfigPath_) ? activeConfigFiles_[0] : Zstring();
+    const Zstring activeCfgFilePath = activeConfigFiles_.size() == 1 && !equalNativePath(activeConfigFiles_[0], lastRunConfigPath_) ? activeConfigFiles_[0] : Zstring();
     const std::chrono::system_clock::time_point syncStartTime = std::chrono::system_clock::now();
 
     bool exitAfterSync = false;
@@ -3919,18 +3923,18 @@ void MainDialog::OnStartSync(wxCommandEvent& event)
             std::unique_ptr<LockHolder> dirLocks;
             if (globalCfg_.createLockFile)
             {
-                std::set<Zstring, LessFilePath> availableDirPaths;
+                std::set<Zstring> folderPathsToLock;
                 for (auto it = begin(folderCmp_); it != end(folderCmp_); ++it)
                 {
                     if (it->isAvailable<LEFT_SIDE>()) //do NOT check directory existence again!
                         if (std::optional<Zstring> nativeFolderPath = AFS::getNativeItemPath(it->getAbstractPath<LEFT_SIDE>())) //restrict directory locking to native paths until further
-                            availableDirPaths.insert(*nativeFolderPath);
+                            folderPathsToLock.insert(*nativeFolderPath);
 
                     if (it->isAvailable<RIGHT_SIDE>())
                         if (std::optional<Zstring> nativeFolderPath = AFS::getNativeItemPath(it->getAbstractPath<RIGHT_SIDE>()))
-                            availableDirPaths.insert(*nativeFolderPath);
+                            folderPathsToLock.insert(*nativeFolderPath);
                 }
-                dirLocks = std::make_unique<LockHolder>(availableDirPaths, globalCfg_.warnDlgs.warnDirectoryLockFailed, statusHandler); //throw AbortProcess
+                dirLocks = std::make_unique<LockHolder>(folderPathsToLock, globalCfg_.warnDlgs.warnDirectoryLockFailed, statusHandler); //throw AbortProcess
             }
 
             //START SYNCHRONIZATION
@@ -4749,8 +4753,8 @@ void MainDialog::insertAddFolderPair(const std::vector<LocalPairConfig>& newPair
         FolderPairPanel* newPair = new FolderPairPanel(m_scrolledWindowFolderPairs, *this);
 
         //init dropdown history
-        newPair->m_folderPathLeft ->init(folderHistoryLeft_);
-        newPair->m_folderPathRight->init(folderHistoryRight_);
+        newPair->m_folderPathLeft ->init(folderHistoryLeft_ .ptr());
+        newPair->m_folderPathRight->init(folderHistoryRight_.ptr());
 
         newPair->m_bpButtonFolderPairOptions->SetBitmapLabel(getResourceImage(L"button_arrow_down"));
 
@@ -4907,9 +4911,9 @@ void MainDialog::OnMenuExportFileList(wxCommandEvent& event)
     auto colAttrCenter = m_gridMainC->getColumnConfig();
     auto colAttrRight  = m_gridMainR->getColumnConfig();
 
-    erase_if(colAttrLeft,   [](const Grid::ColAttributes& ca) { return !ca.visible; });
-    erase_if(colAttrCenter, [](const Grid::ColAttributes& ca) { return !ca.visible || static_cast<ColumnTypeCenter>(ca.type) == ColumnTypeCenter::CHECKBOX; });
-    erase_if(colAttrRight,  [](const Grid::ColAttributes& ca) { return !ca.visible; });
+    eraseIf(colAttrLeft,   [](const Grid::ColAttributes& ca) { return !ca.visible; });
+    eraseIf(colAttrCenter, [](const Grid::ColAttributes& ca) { return !ca.visible || static_cast<ColumnTypeCenter>(ca.type) == ColumnTypeCenter::CHECKBOX; });
+    eraseIf(colAttrRight,  [](const Grid::ColAttributes& ca) { return !ca.visible; });
 
     if (provLeft && provCenter && provRight)
     {
diff --git a/FreeFileSync/Source/ui/main_dlg.h b/FreeFileSync/Source/ui/main_dlg.h
index dbb0d136..fb37e667 100755
--- a/FreeFileSync/Source/ui/main_dlg.h
+++ b/FreeFileSync/Source/ui/main_dlg.h
@@ -336,8 +336,8 @@ private:
     time_t manualTimeSpanFrom_ = 0;
     time_t manualTimeSpanTo_   = 0; //buffer manual time span selection at session level
 
-    std::shared_ptr<FolderHistory> folderHistoryLeft_  = std::make_shared<FolderHistory>(); //shared by all wxComboBox dropdown controls
-    std::shared_ptr<FolderHistory> folderHistoryRight_ = std::make_shared<FolderHistory>(); //always bound!
+    zen::SharedRef<FolderHistory> folderHistoryLeft_  = zen::makeSharedRef<FolderHistory>(); //shared by all wxComboBox dropdown controls
+    zen::SharedRef<FolderHistory> folderHistoryRight_ = zen::makeSharedRef<FolderHistory>(); //always bound!
 
     zen::AsyncGuiQueue guiQueue_; //schedule and run long-running tasks asynchronously, but process results on GUI queue
 
diff --git a/FreeFileSync/Source/ui/progress_indicator.cpp b/FreeFileSync/Source/ui/progress_indicator.cpp
index a2cfa0fa..573540b2 100755
--- a/FreeFileSync/Source/ui/progress_indicator.cpp
+++ b/FreeFileSync/Source/ui/progress_indicator.cpp
@@ -922,7 +922,7 @@ SyncProgressDialogImpl<TopLevelDialog>::~SyncProgressDialogImpl()
         parentFrame_->Disconnect(wxEVT_CHAR_HOOK, wxKeyEventHandler(SyncProgressDialogImpl::onParentKeyEvent), nullptr, this);
 
         parentFrame_->SetTitle(parentTitleBackup_); //restore title text
-        
+
         //make sure main dialog is shown again if still "minimized to systray"! see SyncProgressDialog::closeDirectly()
         parentFrame_->Show();
         //if (parentFrame_->IsIconized()) //caveat: if window is maximized calling Iconize(false) will erroneously un-maximize!
@@ -1328,8 +1328,10 @@ void SyncProgressDialogImpl<TopLevelDialog>::showSummary(SyncResult finalStatus,
     const double timeDelta = std::chrono::duration<double>(stopWatch_.elapsed() - phaseStart_).count();
     //we need to consider "time within current phase" not total "timeElapsed"!
 
-    const wxString overallBytesPerSecond = numeric::isNull(timeDelta) ? std::wstring() : formatFilesizeShort(numeric::round(bytesProcessed / timeDelta)) + _("/sec");
-    const wxString overallItemsPerSecond = numeric::isNull(timeDelta) ? std::wstring() : replaceCpy(_("%x items/sec"), L"%x", formatThreeDigitPrecision(itemsProcessed / timeDelta));
+    const wxString overallBytesPerSecond = numeric::isNull(timeDelta) ? std::wstring() :
+                                           replaceCpy(_("%x/sec"), L"%x", formatFilesizeShort(numeric::round(bytesProcessed / timeDelta)));
+    const wxString overallItemsPerSecond = numeric::isNull(timeDelta) ? std::wstring() :
+                                           replaceCpy(_("%x/sec"), L"%x", replaceCpy(_("%x items"), L"%x", formatThreeDigitPrecision(itemsProcessed / timeDelta)));
 
     pnl_.m_panelGraphBytes->setAttributes(pnl_.m_panelGraphBytes->getAttributes().setCornerText(overallBytesPerSecond, Graph2D::CORNER_TOP_LEFT));
     pnl_.m_panelGraphItems->setAttributes(pnl_.m_panelGraphItems->getAttributes().setCornerText(overallItemsPerSecond, Graph2D::CORNER_TOP_LEFT));
diff --git a/FreeFileSync/Source/ui/search_grid.cpp b/FreeFileSync/Source/ui/search_grid.cpp
index 50ee3ab0..cd03aa8d 100755
--- a/FreeFileSync/Source/ui/search_grid.cpp
+++ b/FreeFileSync/Source/ui/search_grid.cpp
@@ -69,7 +69,7 @@ ptrdiff_t findRow(const Grid& grid, //return -1 if no matching row found
     if (auto prov = grid.getDataProvider())
     {
         std::vector<Grid::ColAttributes> colAttr = grid.getColumnConfig();
-        erase_if(colAttr, [](const Grid::ColAttributes& ca) { return !ca.visible; });
+        eraseIf(colAttr, [](const Grid::ColAttributes& ca) { return !ca.visible; });
         if (!colAttr.empty())
         {
             const MatchFound<respectCase> matchFound(searchString);
diff --git a/FreeFileSync/Source/ui/small_dlgs.cpp b/FreeFileSync/Source/ui/small_dlgs.cpp
index 7b71fe1e..f9c5f704 100755
--- a/FreeFileSync/Source/ui/small_dlgs.cpp
+++ b/FreeFileSync/Source/ui/small_dlgs.cpp
@@ -28,7 +28,7 @@
 #include "../base/algorithm.h"
 #include "../base/synchronization.h"
 #include "../base/help_provider.h"
-#include "../base/hard_filter.h"
+#include "../base/path_filter.h"
 #include "../base/status_handler.h" //updateUiIsAllowed()
 #include "../base/generate_logfile.h"
 #include "../base/icon_buffer.h"
@@ -175,8 +175,8 @@ class CopyToDialog : public CopyToDlgGenerated
 {
 public:
     CopyToDialog(wxWindow* parent,
-                 const std::vector<const FileSystemObject*>& rowsOnLeft,
-                 const std::vector<const FileSystemObject*>& rowsOnRight,
+                 std::span<const FileSystemObject* const> rowsOnLeft,
+                 std::span<const FileSystemObject* const> rowsOnRight,
                  Zstring& lastUsedPath,
                  const std::shared_ptr<FolderHistory>& folderHistory,
                  bool& keepRelPaths,
@@ -200,8 +200,8 @@ private:
 
 
 CopyToDialog::CopyToDialog(wxWindow* parent,
-                           const std::vector<const FileSystemObject*>& rowsOnLeft,
-                           const std::vector<const FileSystemObject*>& rowsOnRight,
+                           std::span<const FileSystemObject* const> rowsOnLeft,
+                           std::span<const FileSystemObject* const> rowsOnRight,
                            Zstring& lastUsedPath,
                            const std::shared_ptr<FolderHistory>& folderHistory,
                            bool& keepRelPaths,
@@ -291,8 +291,8 @@ void CopyToDialog::OnOK(wxCommandEvent& event)
 
 
 ReturnSmallDlg::ButtonPressed fff::showCopyToDialog(wxWindow* parent,
-                                                    const std::vector<const FileSystemObject*>& rowsOnLeft,
-                                                    const std::vector<const FileSystemObject*>& rowsOnRight,
+                                                    std::span<const FileSystemObject* const> rowsOnLeft,
+                                                    std::span<const FileSystemObject* const> rowsOnRight,
                                                     Zstring& lastUsedPath,
                                                     std::vector<Zstring>& folderPathHistory,
                                                     size_t historySizeMax,
@@ -315,8 +315,8 @@ class DeleteDialog : public DeleteDlgGenerated
 {
 public:
     DeleteDialog(wxWindow* parent,
-                 const std::vector<const FileSystemObject*>& rowsOnLeft,
-                 const std::vector<const FileSystemObject*>& rowsOnRight,
+                 std::span<const FileSystemObject* const> rowsOnLeft,
+                 std::span<const FileSystemObject* const> rowsOnRight,
                  bool& useRecycleBin);
 
 private:
@@ -329,8 +329,8 @@ private:
 
     void updateGui();
 
-    const std::vector<const FileSystemObject*>& rowsToDeleteOnLeft_;
-    const std::vector<const FileSystemObject*>& rowsToDeleteOnRight_;
+    const std::span<const FileSystemObject* const> rowsToDeleteOnLeft_;
+    const std::span<const FileSystemObject* const> rowsToDeleteOnRight_;
     const std::chrono::steady_clock::time_point dlgStartTime_ = std::chrono::steady_clock::now();
 
     //output-only parameters:
@@ -339,8 +339,8 @@ private:
 
 
 DeleteDialog::DeleteDialog(wxWindow* parent,
-                           const std::vector<const FileSystemObject*>& rowsOnLeft,
-                           const std::vector<const FileSystemObject*>& rowsOnRight,
+                           std::span<const FileSystemObject* const> rowsOnLeft,
+                           std::span<const FileSystemObject* const> rowsOnRight,
                            bool& useRecycleBin) :
     DeleteDlgGenerated(parent),
     rowsToDeleteOnLeft_(rowsOnLeft),
@@ -424,8 +424,8 @@ void DeleteDialog::OnOK(wxCommandEvent& event)
 
 
 ReturnSmallDlg::ButtonPressed fff::showDeleteDialog(wxWindow* parent,
-                                                    const std::vector<const FileSystemObject*>& rowsOnLeft,
-                                                    const std::vector<const FileSystemObject*>& rowsOnRight,
+                                                    std::span<const FileSystemObject* const> rowsOnLeft,
+                                                    std::span<const FileSystemObject* const> rowsOnRight,
                                                     bool& useRecycleBin)
 {
     DeleteDialog confirmDeletion(parent, rowsOnLeft, rowsOnRight, useRecycleBin);
diff --git a/FreeFileSync/Source/ui/small_dlgs.h b/FreeFileSync/Source/ui/small_dlgs.h
index c5b806ce..c03415f1 100755
--- a/FreeFileSync/Source/ui/small_dlgs.h
+++ b/FreeFileSync/Source/ui/small_dlgs.h
@@ -28,8 +28,8 @@ struct ReturnSmallDlg
 void showAboutDialog(wxWindow* parent);
 
 ReturnSmallDlg::ButtonPressed showCopyToDialog(wxWindow* parent,
-                                               const std::vector<const FileSystemObject*>& rowsOnLeft,
-                                               const std::vector<const FileSystemObject*>& rowsOnRight,
+                                               std::span<const FileSystemObject* const> rowsOnLeft,
+                                               std::span<const FileSystemObject* const> rowsOnRight,
                                                Zstring& lastUsedPath,
                                                std::vector<Zstring>& folderPathHistory,
                                                size_t historySizeMax,
@@ -37,8 +37,8 @@ ReturnSmallDlg::ButtonPressed showCopyToDialog(wxWindow* parent,
                                                bool& overwriteIfExists);
 
 ReturnSmallDlg::ButtonPressed showDeleteDialog(wxWindow* parent,
-                                               const std::vector<const FileSystemObject*>& rowsOnLeft,
-                                               const std::vector<const FileSystemObject*>& rowsOnRight,
+                                               std::span<const FileSystemObject* const> rowsOnLeft,
+                                               std::span<const FileSystemObject* const> rowsOnRight,
                                                bool& useRecycleBin);
 
 ReturnSmallDlg::ButtonPressed showSyncConfirmationDlg(wxWindow* parent,
diff --git a/FreeFileSync/Source/ui/sync_cfg.cpp b/FreeFileSync/Source/ui/sync_cfg.cpp
index e3b6a7bc..728c9bbe 100755
--- a/FreeFileSync/Source/ui/sync_cfg.cpp
+++ b/FreeFileSync/Source/ui/sync_cfg.cpp
@@ -90,8 +90,8 @@ private:
 
     CompareVariant localCmpVar_ = CompareVariant::TIME_SIZE;
 
-    std::set<AbstractPath>         devicePathsForEdit_; //helper data for deviceParallelOps
-    std::map<AbstractPath, size_t> deviceParallelOps_;  //
+    std::set<AfsDevice>         devicesForEdit_; //helper data for deviceParallelOps
+    std::map<AfsDevice, size_t> deviceParallelOps_;  //
 
     //------------- filter panel --------------------------
     void OnHelpShowExamples(wxHyperlinkEvent& event) override { displayHelpEntry(L"exclude-items", this); }
@@ -306,7 +306,7 @@ commandHistItemsMax_(commandHistItemsMax)
 
     m_staticTextCompVarDescription->SetMinSize(wxSize(fastFromDIP(CFG_DESCRIPTION_WIDTH_DIP), -1));
 
-    m_scrolledWindowPerf->SetMinSize(wxSize(fastFromDIP(200), -1));
+    m_scrolledWindowPerf->SetMinSize(wxSize(fastFromDIP(220), -1));
     m_bitmapPerf->SetBitmap(perfPanelActive_ ? getResourceImage(L"speed") : greyScale(getResourceImage(L"speed")));
     m_panelPerfHeader          ->Enable(perfPanelActive_);
     m_staticTextPerfParallelOps->Enable(perfPanelActive_);
@@ -1170,12 +1170,12 @@ MiscSyncConfig ConfigDialog::getMiscSyncOptions() const
     // - don't touch items corresponding to paths not currently used
     // - don't store parallel ops == 1
     miscCfg.deviceParallelOps = deviceParallelOps_;
-    assert(fgSizerPerf->GetItemCount() == 2 * devicePathsForEdit_.size());
+    assert(fgSizerPerf->GetItemCount() == 2 * devicesForEdit_.size());
     int i = 0;
-    for (const AbstractPath& devPath : devicePathsForEdit_)
+    for (const AfsDevice& afsDevice : devicesForEdit_)
     {
         wxSpinCtrl* spinCtrlParallelOps = dynamic_cast<wxSpinCtrl*>(fgSizerPerf->GetItem(i * 2)->GetWindow());
-        setDeviceParallelOps(miscCfg.deviceParallelOps, devPath, spinCtrlParallelOps->GetValue());
+        setDeviceParallelOps(miscCfg.deviceParallelOps, afsDevice, spinCtrlParallelOps->GetValue());
         ++i;
     }
     //----------------------------------------------------------------------------
@@ -1204,7 +1204,7 @@ void ConfigDialog::setMiscSyncOptions(const MiscSyncConfig& miscCfg)
     deviceParallelOps_  = miscCfg.deviceParallelOps;
 
     assert(fgSizerPerf->GetItemCount() % 2 == 0);
-    const int rowsToCreate = static_cast<int>(devicePathsForEdit_.size()) - static_cast<int>(fgSizerPerf->GetItemCount() / 2);
+    const int rowsToCreate = static_cast<int>(devicesForEdit_.size()) - static_cast<int>(fgSizerPerf->GetItemCount() / 2);
     if (rowsToCreate >= 0)
         for (int i = 0; i < rowsToCreate; ++i)
         {
@@ -1220,16 +1220,16 @@ void ConfigDialog::setMiscSyncOptions(const MiscSyncConfig& miscCfg)
     else
         for (int i = 0; i < -rowsToCreate * 2; ++i)
             fgSizerPerf->GetItem(size_t(0))->GetWindow()->Destroy();
-    assert(fgSizerPerf->GetItemCount() == 2 * devicePathsForEdit_.size());
+    assert(fgSizerPerf->GetItemCount() == 2 * devicesForEdit_.size());
 
     int i = 0;
-    for (const AbstractPath& devPath : devicePathsForEdit_)
+    for (const AfsDevice& afsDevice : devicesForEdit_)
     {
         wxSpinCtrl*   spinCtrlParallelOps = dynamic_cast<wxSpinCtrl*>  (fgSizerPerf->GetItem(i * 2    )->GetWindow());
         wxStaticText* staticTextDevice    = dynamic_cast<wxStaticText*>(fgSizerPerf->GetItem(i * 2 + 1)->GetWindow());
 
-        spinCtrlParallelOps->SetValue(static_cast<int>(getDeviceParallelOps(deviceParallelOps_, devPath)));
-        staticTextDevice->SetLabel(AFS::getDisplayPath(devPath));
+        spinCtrlParallelOps->SetValue(static_cast<int>(getDeviceParallelOps(deviceParallelOps_, afsDevice)));
+        staticTextDevice->SetLabel(AFS::getDisplayPath(AbstractPath(afsDevice, AfsPath())));
         ++i;
     }
     m_panelComparisonSettings->Layout(); //*after* setting text labels
@@ -1277,7 +1277,7 @@ void ConfigDialog::selectFolderPairConfig(int newPairIndexToShow)
 {
     assert(selectedPairIndexToShow_ == EMPTY_PAIR_INDEX_SELECTED);
     assert(newPairIndexToShow == -1 || makeUnsigned(newPairIndexToShow) < localPairCfg_.size());
-    numeric::clamp(newPairIndexToShow, -1, static_cast<int>(localPairCfg_.size()) - 1);
+    newPairIndexToShow = std::clamp(newPairIndexToShow, -1, static_cast<int>(localPairCfg_.size()) - 1);
 
     selectedPairIndexToShow_ = newPairIndexToShow;
     m_listBoxFolderPair->SetSelection(newPairIndexToShow + 1);
@@ -1314,12 +1314,12 @@ void ConfigDialog::selectFolderPairConfig(int newPairIndexToShow)
         //update the devices list for "parallel file operations" before calling setMiscSyncOptions():
         //  => should be enough to do this when selecting the main config
         //  => to be "perfect" we'd have to update already when the user drags & drops a different versioning folder
-        devicePathsForEdit_.clear();
+        devicesForEdit_.clear();
         auto addDevicePath = [&](const Zstring& folderPathPhrase)
         {
-            const AbstractPath rootPath = AFS::getRootPath(createAbstractPath(folderPathPhrase));
-            if (!AFS::isNullPath(rootPath))
-                devicePathsForEdit_.insert(rootPath);
+            const AfsDevice& afsDevice = createAbstractPath(folderPathPhrase).afsDevice;
+            if (!AFS::isNullDevice(afsDevice))
+                devicesForEdit_.insert(afsDevice);
         };
         for (const LocalPairConfig& fpCfg : localPairCfg_)
         {
diff --git a/FreeFileSync/Source/ui/sync_cfg.h b/FreeFileSync/Source/ui/sync_cfg.h
index e660c3a0..34c4acf2 100755
--- a/FreeFileSync/Source/ui/sync_cfg.h
+++ b/FreeFileSync/Source/ui/sync_cfg.h
@@ -31,7 +31,7 @@ enum class SyncConfigPanel
 
 struct MiscSyncConfig
 {
-    std::map<AbstractPath, size_t> deviceParallelOps;
+    std::map<AfsDevice, size_t> deviceParallelOps;
     bool ignoreErrors = false;
     size_t automaticRetryCount = 0;
     std::chrono::seconds automaticRetryDelay{0};
diff --git a/FreeFileSync/Source/ui/tray_icon.cpp b/FreeFileSync/Source/ui/tray_icon.cpp
index 4508f7a6..22d91f66 100755
--- a/FreeFileSync/Source/ui/tray_icon.cpp
+++ b/FreeFileSync/Source/ui/tray_icon.cpp
@@ -80,7 +80,7 @@ wxIcon FfsTrayIcon::ProgressIconGenerator::get(double fraction)
         return wxIcon();
 
     const int pixelCount = logo_.GetWidth() * logo_.GetHeight();
-    const int startFillPixel = numeric::clampCpy<int>(numeric::round(fraction * pixelCount), 0, pixelCount);
+    const int startFillPixel = std::clamp<int>(numeric::round(fraction * pixelCount), 0, pixelCount);
 
     if (startPixBuf_ != startFillPixel)
     {
diff --git a/FreeFileSync/Source/ui/tree_grid.cpp b/FreeFileSync/Source/ui/tree_grid.cpp
index bf3833b5..8d5b71a1 100755
--- a/FreeFileSync/Source/ui/tree_grid.cpp
+++ b/FreeFileSync/Source/ui/tree_grid.cpp
@@ -600,7 +600,7 @@ void TreeView::setData(FolderComparison& newData)
     folderCmp_ = newData;
 
     //remove truly empty folder pairs as early as this: we want to distinguish single/multiple folder pair cases by looking at "folderCmp"
-    erase_if(folderCmp_, [](const std::shared_ptr<BaseFolderPair>& baseObj)
+    eraseIf(folderCmp_, [](const std::shared_ptr<BaseFolderPair>& baseObj)
     {
         return AFS::isNullPath(baseObj->getAbstractPath< LEFT_SIDE>()) &&
                AFS::isNullPath(baseObj->getAbstractPath<RIGHT_SIDE>());
diff --git a/FreeFileSync/Source/version/version.h b/FreeFileSync/Source/version/version.h
index 0a978b6c..0074ae18 100755
--- a/FreeFileSync/Source/version/version.h
+++ b/FreeFileSync/Source/version/version.h
@@ -3,7 +3,7 @@
 
 namespace fff
 {
-const char ffsVersion[] = "10.5"; //internal linkage!
+const char ffsVersion[] = "10.6"; //internal linkage!
 const char FFS_VERSION_SEPARATOR = '.';
 }
 
diff --git a/wx+/async_task.h b/wx+/async_task.h
index df4c3ec6..074f5337 100755
--- a/wx+/async_task.h
+++ b/wx+/async_task.h
@@ -83,9 +83,9 @@ public:
             inRecursion_ = true;
             ZEN_ON_SCOPE_EXIT(inRecursion_ = false);
 
-            std::vector<std::unique_ptr<Task>> readyTasks; //Reentrancy; access to AsyncTasks::add is not protected! => evaluate outside erase_if
+            std::vector<std::unique_ptr<Task>> readyTasks; //Reentrancy; access to AsyncTasks::add is not protected! => evaluate outside eraseIf
 
-            erase_if(tasks_, [&](std::unique_ptr<Task>& task)
+            eraseIf(tasks_, [&](std::unique_ptr<Task>& task)
             {
                 if (task->resultReady())
                 {
diff --git a/wx+/graph.cpp b/wx+/graph.cpp
index e00bed86..9cacd1bf 100755
--- a/wx+/graph.cpp
+++ b/wx+/graph.cpp
@@ -91,7 +91,7 @@ public:
     int realToScreenRound(double realPos) const //returns -1 and screenSize + 1 if out of bounds!
     {
         //catch large double values: if double is larger than what int can represent => undefined behavior!
-        numeric::clamp(realPos, outOfBoundsLow_, outOfBoundsHigh_);
+        realPos = std::clamp(realPos, outOfBoundsLow_, outOfBoundsHigh_);
         return numeric::round(realToScreen(realPos));
     }
 
@@ -724,10 +724,10 @@ void Graph2D::render(wxDC& dc) const
                 const wxPoint screenCurrent = activeSel_->refCurrentPos() - graphAreaOrigin;
 
                 //normalize positions: a mouse selection is symmetric and *not* an half-open range!
-                double screenFromX = numeric::clampCpy(screenStart  .x, 0, graphArea.width  - 1);
-                double screenFromY = numeric::clampCpy(screenStart  .y, 0, graphArea.height - 1);
-                double screenToX   = numeric::clampCpy(screenCurrent.x, 0, graphArea.width  - 1);
-                double screenToY   = numeric::clampCpy(screenCurrent.y, 0, graphArea.height - 1);
+                double screenFromX = std::clamp(screenStart  .x, 0, graphArea.width  - 1);
+                double screenFromY = std::clamp(screenStart  .y, 0, graphArea.height - 1);
+                double screenToX   = std::clamp(screenCurrent.x, 0, graphArea.width  - 1);
+                double screenToY   = std::clamp(screenCurrent.y, 0, graphArea.height - 1);
                 widen(&screenFromX, &screenToX); //use full pixel range for selection!
                 widen(&screenFromY, &screenToY);
 
@@ -782,10 +782,10 @@ void Graph2D::render(wxDC& dc) const
                     shrink(&screenFromX, &screenToX);
                     shrink(&screenFromY, &screenToY);
 
-                    numeric::clamp(screenFromX, 0.0, graphArea.width  - 1.0);
-                    numeric::clamp(screenFromY, 0.0, graphArea.height - 1.0);
-                    numeric::clamp(screenToX,   0.0, graphArea.width  - 1.0);
-                    numeric::clamp(screenToY,   0.0, graphArea.height - 1.0);
+                    screenFromX = std::clamp(screenFromX, 0.0, graphArea.width  - 1.0);
+                    screenFromY = std::clamp(screenFromY, 0.0, graphArea.height - 1.0);
+                    screenToX   = std::clamp(screenToX,   0.0, graphArea.width  - 1.0);
+                    screenToY   = std::clamp(screenToY,   0.0, graphArea.height - 1.0);
 
                     const wxPoint pixelFrom = wxPoint(numeric::round(screenFromX),
                                                       numeric::round(screenFromY)) + graphAreaOrigin;
diff --git a/wx+/grid.cpp b/wx+/grid.cpp
index 65311ffa..3c19c246 100755
--- a/wx+/grid.cpp
+++ b/wx+/grid.cpp
@@ -171,7 +171,6 @@ wxSize GridData::drawCellText(wxDC& dc, const wxRect& rect, const std::wstring&
         if (high > 1)
             for (;;)
             {
-                const size_t middle = (low + high) / 2; //=> never 0 when "high - low > 1"
                 if (high - low <= 1)
                 {
                     if (low == 0)
@@ -181,6 +180,7 @@ wxSize GridData::drawCellText(wxDC& dc, const wxRect& rect, const std::wstring&
                     }
                     break;
                 }
+                const size_t middle = (low + high) / 2; //=> never 0 when "high - low > 1"
 
                 const std::wstring& candidate = getUnicodeSubstring(text, 0, middle) + ELLIPSIS;
                 const wxSize extentCand = dc.GetTextExtent(candidate); //perf: most expensive call of this routine!
@@ -1193,7 +1193,7 @@ private:
 
             //select current row *after* scrolling
             wxPoint clientPosTrimmed = clientPos;
-            numeric::clamp(clientPosTrimmed.y, 0, clientSize.GetHeight() - 1); //do not select row outside client window!
+            clientPosTrimmed.y = std::clamp(clientPosTrimmed.y, 0, clientSize.GetHeight() - 1); //do not select row outside client window!
 
             const wxPoint absPos = wnd_.refParent().CalcUnscrolledPosition(clientPosTrimmed);
             const ptrdiff_t newRow = wnd_.rowLabelWin_.getRowAtPos(absPos.y); //return -1 for invalid position; >= rowCount if out of range
@@ -1357,8 +1357,8 @@ void Grid::updateWindowSizes(bool updateScrollbar)
     {
         ptrdiff_t yFrom = CalcUnscrolledPosition(wxPoint(0, 0)).y;
         ptrdiff_t yTo   = CalcUnscrolledPosition(wxPoint(0, mainWinHeightGross - 1)).y ;
-        numeric::clamp<ptrdiff_t>(yFrom, 0, logicalHeight - 1);
-        numeric::clamp<ptrdiff_t>(yTo,   0, logicalHeight - 1);
+        yFrom = std::clamp<ptrdiff_t>(yFrom, 0, logicalHeight - 1);
+        yTo   = std::clamp<ptrdiff_t>(yTo,   0, logicalHeight - 1);
 
         const ptrdiff_t rowFrom = rowLabelWin_->getRowAtPos(yFrom);
         const ptrdiff_t rowTo   = rowLabelWin_->getRowAtPos(yTo);
@@ -1465,8 +1465,8 @@ wxSize Grid::GetSizeAvailableForScrollTarget(const wxSize& size)
     {
         ptrdiff_t yFrom = CalcUnscrolledPosition(wxPoint(0, 0)).y;
         ptrdiff_t yTo   = CalcUnscrolledPosition(wxPoint(0, mainWinHeightGross - 1)).y ;
-        numeric::clamp<ptrdiff_t>(yFrom, 0, logicalHeight - 1);
-        numeric::clamp<ptrdiff_t>(yTo,   0, logicalHeight - 1);
+        yFrom = std::clamp<ptrdiff_t>(yFrom, 0, logicalHeight - 1);
+        yTo   = std::clamp<ptrdiff_t>(yTo,   0, logicalHeight - 1);
 
         const ptrdiff_t rowFrom = rowLabelWin_->getRowAtPos(yFrom);
         const ptrdiff_t rowTo   = rowLabelWin_->getRowAtPos(yTo);
@@ -1499,7 +1499,7 @@ void Grid::onKeyDown(wxKeyEvent& event)
     {
         if (rowCount > 0)
         {
-            numeric::clamp<ptrdiff_t>(row, 0, rowCount - 1);
+            row = std::clamp<ptrdiff_t>(row, 0, rowCount - 1);
             setGridCursor(row, GridEventPolicy::ALLOW);
         }
     };
@@ -1508,7 +1508,7 @@ void Grid::onKeyDown(wxKeyEvent& event)
     {
         if (rowCount > 0)
         {
-            numeric::clamp<ptrdiff_t>(row, 0, rowCount - 1);
+            row = std::clamp<ptrdiff_t>(row, 0, rowCount - 1);
             selectWithCursor(row); //emits GridSelectEvent
         }
     };
@@ -2018,8 +2018,8 @@ void Grid::selectRange(ptrdiff_t rowFrom, ptrdiff_t rowTo, bool positive, const
     auto rowLast  = std::max(rowFrom, rowTo) + 1;
 
     const size_t rowCount = getRowCount();
-    numeric::clamp<ptrdiff_t>(rowFirst, 0, rowCount);
-    numeric::clamp<ptrdiff_t>(rowLast,  0, rowCount);
+    rowFirst = std::clamp<ptrdiff_t>(rowFirst, 0, rowCount);
+    rowLast  = std::clamp<ptrdiff_t>(rowLast,  0, rowCount);
 
     selection_.selectRange(rowFirst, rowLast, positive);
     mainWin_->Refresh();
diff --git a/wx+/grid.h b/wx+/grid.h
index ccf7ad64..102396c3 100755
--- a/wx+/grid.h
+++ b/wx+/grid.h
@@ -271,8 +271,8 @@ private:
         {
             if (rowFirst <= rowLast)
             {
-                numeric::clamp<size_t>(rowFirst, 0, selected_.size());
-                numeric::clamp<size_t>(rowLast,  0, selected_.size());
+                rowFirst = std::clamp<size_t>(rowFirst, 0, selected_.size());
+                rowLast  = std::clamp<size_t>(rowLast,  0, selected_.size());
 
                 std::fill(selected_.begin() + rowFirst, selected_.begin() + rowLast, positive);
             }
diff --git a/wx+/image_holder.h b/wx+/image_holder.h
index aada581f..b11ae451 100755
--- a/wx+/image_holder.h
+++ b/wx+/image_holder.h
@@ -39,9 +39,9 @@ struct ImageHolder //prepare conversion to wxImage as much as possible while sta
     unsigned char* releaseRgb  () { return rgb_  .release(); }
     unsigned char* releaseAlpha() { return alpha_.release(); }
 
+private:
     struct CLibFree { void operator()(unsigned char* p) const { ::free(p); } }; //use malloc/free to allow direct move into wxImage!
 
-private:
     int width_  = 0;
     int height_ = 0;
     std::unique_ptr<unsigned char, CLibFree> rgb_;   //optional
diff --git a/wx+/image_resources.cpp b/wx+/image_resources.cpp
index d09a188b..5bc8006f 100755
--- a/wx+/image_resources.cpp
+++ b/wx+/image_resources.cpp
@@ -214,7 +214,7 @@ void GlobalBitmaps::init(const Zstring& filePath)
         //do NOT rely on wxConvLocal! On failure shows unhelpful popup "Cannot convert from the charset 'Unknown encoding (-1)'!"
 
         //do we need xBRZ scaling for high quality DPI images?
-        const int hqScale = numeric::clampCpy<int>(std::ceil(fastFromDIP(1000) / 1000.0), 1, xbrz::SCALE_FACTOR_MAX);
+        const int hqScale = std::clamp<int>(std::ceil(fastFromDIP(1000) / 1000.0), 1, xbrz::SCALE_FACTOR_MAX);
         //even for 125% DPI scaling, "2xBRZ + bilinear downscale" gives a better result than mere "125% bilinear upscale"!
         if (hqScale > 1)
             dpiScaler_ = std::make_unique<DpiParallelScaler>(hqScale);
diff --git a/zen/basic_math.h b/zen/basic_math.h
index 0d08f6a6..75f5d3b8 100755
--- a/zen/basic_math.h
+++ b/zen/basic_math.h
@@ -21,14 +21,8 @@ namespace numeric
 template <class T> T abs(T value);
 template <class T> auto dist(T a, T b);
 template <class T> int sign(T value); //returns one of {-1, 0, 1}
-template <class T> T min(T a, T b, T c);
-template <class T> T max(T a, T b, T c);
 template <class T> bool isNull(T value);
 
-template <class T> void clamp(T& val, T minVal, T maxVal); //make sure minVal <= val && val <= maxVal
-template <class T> T  clampCpy(T val, T minVal, T maxVal);
-//std::clamp() available with C++17
-
 template <class T, class InputIterator> //precondition: range must be sorted!
 auto nearMatch(const T& val, InputIterator first, InputIterator last);
 
@@ -106,51 +100,6 @@ int sign(T value) //returns one of {-1, 0, 1}
     return value < 0 ? -1 : (value > 0 ? 1 : 0);
 }
 
-
-template <class T> inline
-T min(T a, T b, T c) //don't follow std::min's "const T&(const T&, const T&)" API
-{
-    if (a < b)
-        return a < c ? a : c;
-    else
-        return b < c ? b : c;
-    //return std::min(std::min(a, b), c);
-}
-
-
-template <class T> inline
-T max(T a, T b, T c)
-{
-    if (a > b)
-        return a > c ? a : c;
-    else
-        return b > c ? b : c;
-    //return std::max(std::max(a, b), c);
-}
-
-
-template <class T> inline
-T clampCpy(T val, T minVal, T maxVal)
-{
-    assert(minVal <= maxVal);
-    if (val < minVal)
-        return minVal;
-    else if (val > maxVal)
-        return maxVal;
-    return val;
-}
-
-template <class T> inline
-void clamp(T& val, T minVal, T maxVal)
-{
-    assert(minVal <= maxVal);
-    if (val < minVal)
-        val = minVal;
-    else if (val > maxVal)
-        val = maxVal;
-}
-
-
 /*
 part of C++11 now!
 template <class InputIterator, class Compare> inline
diff --git a/zen/dir_watcher.cpp b/zen/dir_watcher.cpp
index 2bb3fd26..f5ed0488 100755
--- a/zen/dir_watcher.cpp
+++ b/zen/dir_watcher.cpp
@@ -25,7 +25,7 @@ using namespace zen;
 struct DirWatcher::Impl
 {
     int notifDescr = 0;
-    std::map<int, Zstring> watchDescrs; //watch descriptor and (sub-)directory name (postfixed with separator) -> owned by "notifDescr"
+    std::map<int, Zstring> watchedPaths; //watch descriptor and (sub-)directory paths -> owned by "notifDescr"
 };
 
 
@@ -90,7 +90,7 @@ DirWatcher::DirWatcher(const Zstring& dirPath) : //throw FileError
             throw FileError(replaceCpy(_("Cannot monitor directory %x."), L"%x", fmtPath(subDirPath)), formatSystemError(L"inotify_add_watch", ec));
         }
 
-        pimpl_->watchDescrs.emplace(wd, appendSeparator(subDirPath));
+        pimpl_->watchedPaths.emplace(wd, subDirPath);
     }
 }
 
@@ -130,12 +130,12 @@ std::vector<DirWatcher::Entry> DirWatcher::getChanges(const std::function<void()
 
         if (evt.len != 0) //exclude case: deletion of "self", already reported by parent directory watch
         {
-            auto it = pimpl_->watchDescrs.find(evt.wd);
-            if (it != pimpl_->watchDescrs.end())
+            auto it = pimpl_->watchedPaths.find(evt.wd);
+            if (it != pimpl_->watchedPaths.end())
             {
                 //Note: evt.len is NOT the size of the evt.name c-string, but the array size including all padding 0 characters!
                 //It may be even 0 in which case evt.name must not be used!
-                const Zstring itemPath = it->second + evt.name;
+                const Zstring itemPath = appendSeparator(it->second) + evt.name;
 
                 if ((evt.mask & IN_CREATE) ||
                     (evt.mask & IN_MOVED_TO))
diff --git a/zen/file_access.cpp b/zen/file_access.cpp
index 88b70b14..82c78760 100755
--- a/zen/file_access.cpp
+++ b/zen/file_access.cpp
@@ -50,32 +50,32 @@ std::optional<PathComponents> zen::parsePathComponents(const Zstring& itemPath)
         return {};
     };
 
-    if (startsWith(itemPath, "/"))
-    {
-        if (startsWith(itemPath, "/media/"))
-        {
-            //Ubuntu: e.g. /media/zenju/DEVICE_NAME
-            if (const char* username = ::getenv("USER"))
-                if (startsWith(itemPath, std::string("/media/") + username + "/"))
-                    return doParse(4 /*sepCountVolumeRoot*/, false /*rootWithSep*/);
+    std::optional<PathComponents> pc; //"/media/zenju/" and "/Volumes/" should not fail to parse
 
-            //Ubuntu: e.g. /media/cdrom0
-            return doParse(3 /*sepCountVolumeRoot*/, false /*rootWithSep*/);
-        }
+    if (!pc && startsWith(itemPath, "/mnt/")) //e.g. /mnt/DEVICE_NAME
+        pc = doParse(3 /*sepCountVolumeRoot*/, false /*rootWithSep*/);
 
-        if (startsWith(itemPath, "/run/media/")) //Suse: e.g. /run/media/zenju/DEVICE_NAME
-            if (const char* username = ::getenv("USER"))
-                if (startsWith(itemPath, std::string("/run/media/") + username + "/"))
-                    return doParse(5 /*sepCountVolumeRoot*/, false /*rootWithSep*/);
+    if (!pc && startsWith(itemPath, "/media/")) //Ubuntu: e.g. /media/zenju/DEVICE_NAME
+        if (const char* username = ::getenv("USER"))
+            if (startsWith(itemPath, std::string("/media/") + username + "/"))
+                pc = doParse(4 /*sepCountVolumeRoot*/, false /*rootWithSep*/);
 
-        return doParse(1 /*sepCountVolumeRoot*/, true /*rootWithSep*/);
-    }
+    if (!pc && startsWith(itemPath, "/run/media/")) //Centos, Suse: e.g. /run/media/zenju/DEVICE_NAME
+        if (const char* username = ::getenv("USER"))
+            if (startsWith(itemPath, std::string("/run/media/") + username + "/"))
+                pc = doParse(5 /*sepCountVolumeRoot*/, false /*rootWithSep*/);
 
-    //we do NOT support relative paths!
-    return {};
-}
+    if (!pc && startsWith(itemPath, "/run/user/")) //Ubuntu, e.g.: /run/user/1000/gvfs/smb-share:server=192.168.62.145,share=folder
+        if (startsWith(itemPath, "/run/user/" + numberTo<std::string>(::getuid()) + "/gvfs/")) //::getuid() never fails
+            pc = doParse(6 /*sepCountVolumeRoot*/, false /*rootWithSep*/);
 
 
+    if (!pc && startsWith(itemPath, "/"))
+        pc = doParse(1 /*sepCountVolumeRoot*/, true /*rootWithSep*/);
+
+    return pc;
+}
+
 
 std::optional<Zstring> zen::getParentFolderPath(const Zstring& itemPath)
 {
@@ -108,49 +108,40 @@ ItemType zen::getItemType(const Zstring& itemPath) //throw FileError
 }
 
 
-PathStatus zen::getPathStatus(const Zstring& itemPath) //throw FileError
+std::optional<ItemType> zen::itemStillExists(const Zstring& itemPath) //throw FileError
 {
-    const std::optional<Zstring> parentPath = getParentFolderPath(itemPath);
     try
     {
-        return { getItemType(itemPath), itemPath, {} }; //throw FileError
+        return getItemType(itemPath); //throw FileError
     }
-    catch (FileError&)
+    catch (const FileError& e) //not existing or access error
     {
+        const std::optional<Zstring> parentPath = getParentFolderPath(itemPath);
         if (!parentPath) //device root
             throw;
         //else: let's dig deeper... don't bother checking Win32 codes; e.g. not existing item may have the codes:
         //  ERROR_FILE_NOT_FOUND, ERROR_PATH_NOT_FOUND, ERROR_INVALID_NAME, ERROR_INVALID_DRIVE,
         //  ERROR_NOT_READY, ERROR_INVALID_PARAMETER, ERROR_BAD_PATHNAME, ERROR_BAD_NETPATH => not reliable
-    }
-    const Zstring itemName = afterLast(itemPath, FILE_NAME_SEPARATOR, IF_MISSING_RETURN_ALL);
-    assert(!itemName.empty());
-
-    PathStatus ps = getPathStatus(*parentPath); //throw FileError
-    if (ps.relPath.empty() &&
-        ps.existingType != ItemType::FILE) //obscure, but possible (and not an error)
-        try
-        {
-            traverseFolder(*parentPath,
-            [&](const FileInfo&    fi) { if (equalFilePath(fi.itemName, itemName)) throw ItemType::FILE; },
-            [&](const FolderInfo&  fi) { if (equalFilePath(fi.itemName, itemName)) throw ItemType::FOLDER; },
-            [&](const SymlinkInfo& si) { if (equalFilePath(si.itemName, itemName)) throw ItemType::SYMLINK; },
-            [](const std::wstring& errorMsg) { throw FileError(errorMsg); });
-        }
-        catch (const ItemType& type) { return { type, itemPath, {} }; } //yes, exceptions for control-flow are bad design... but, but...
-    //we're not CPU-bound here and finding the item after getItemType() previously failed is exceptional (even C:\pagefile.sys should be found)
-
-    ps.relPath.push_back(itemName);
-    return ps;
-}
 
+        const Zstring itemName = afterLast(itemPath, FILE_NAME_SEPARATOR, IF_MISSING_RETURN_ALL);
+        assert(!itemName.empty());
 
-std::optional<ItemType> zen::getItemTypeIfExists(const Zstring& itemPath) //throw FileError
-{
-    const PathStatus ps = getPathStatus(itemPath); //throw FileError
-    if (ps.relPath.empty())
-        return ps.existingType;
-    return {};
+        const std::optional<ItemType> parentType = itemStillExists(*parentPath); //throw FileError
+        if (parentType && *parentType != ItemType::FILE /*obscure, but possible (and not an error)*/)
+            try
+            {
+                traverseFolder(*parentPath,
+                [&](const FileInfo&    fi) { if (fi.itemName == itemName) throw ItemType::FILE;    },
+                [&](const FolderInfo&  fi) { if (fi.itemName == itemName) throw ItemType::FOLDER;  },
+                [&](const SymlinkInfo& si) { if (si.itemName == itemName) throw ItemType::SYMLINK; },
+                [](const std::wstring& errorMsg) { throw FileError(errorMsg); });
+            }
+            catch (const ItemType&) //finding the item after getItemType() previously failed is exceptional
+            {
+                throw e; //yes, slicing
+            }
+        return {};
+    }
 }
 
 
@@ -174,16 +165,6 @@ bool zen::dirAvailable(const Zstring& dirPath) //noexcept
 }
 
 
-bool zen::itemNotExisting(const Zstring& itemPath)
-{
-    try
-    {
-        return !getItemTypeIfExists(itemPath); //throw FileError
-    }
-    catch (FileError&) { return false; }
-}
-
-
 namespace
 {
 }
@@ -209,13 +190,13 @@ uint64_t zen::getFreeDiskSpace(const Zstring& path) //throw FileError, returns 0
 }
 
 
-VolumeId zen::getVolumeId(const Zstring& itemPath) //throw FileError
+FileId /*optional*/ zen::getFileId(const Zstring& itemPath) //throw FileError
 {
     struct ::stat fileInfo = {};
     if (::stat(itemPath.c_str(), &fileInfo) != 0)
         THROW_LAST_FILE_ERROR(replaceCpy(_("Cannot read file attributes of %x."), L"%x", fmtPath(itemPath)), L"stat");
 
-    return fileInfo.st_dev;
+    return extractFileId(fileInfo);
 }
 
 
@@ -381,7 +362,7 @@ void zen::renameFile(const Zstring& pathSource, const Zstring& pathTarget) //thr
         const Zstring parentPathSrc = beforeLast(pathSource, FILE_NAME_SEPARATOR, IF_MISSING_RETURN_NONE);
         const Zstring parentPathTrg = beforeLast(pathTarget, FILE_NAME_SEPARATOR, IF_MISSING_RETURN_NONE);
         //some (broken) devices may fail to rename case directly:
-        if (equalLocalPath(parentPathSrc, parentPathTrg))
+        if (equalNativePath(parentPathSrc, parentPathTrg))
         {
             if (fileNameSrc == fileNameTrg)
                 return; //non-sensical request
@@ -567,8 +548,18 @@ void zen::createDirectory(const Zstring& dirPath) //throw FileError, ErrorTarget
 
 void zen::createDirectoryIfMissingRecursion(const Zstring& dirPath) //throw FileError
 {
-    if (!getParentFolderPath(dirPath)) //device root
-        return static_cast<void>(/*ItemType =*/ getItemType(dirPath)); //throw FileError
+    const std::optional<Zstring> parentPath = getParentFolderPath(dirPath);
+    if (!parentPath) //device root
+        return;
+
+    try //generally we expect that path already exists (see: ffs_paths.cpp) => check first
+    {
+        if (getItemType(dirPath) != ItemType::FILE) //throw FileError
+            return;
+    }
+    catch (FileError&) {} //not yet existing or access error? let's find out...
+
+    createDirectoryIfMissingRecursion(*parentPath); //throw FileError
 
     try
     {
@@ -576,18 +567,15 @@ void zen::createDirectoryIfMissingRecursion(const Zstring& dirPath) //throw File
     }
     catch (FileError&)
     {
-        const PathStatus ps = getPathStatus(dirPath); //throw FileError
-        if (ps.existingType == ItemType::FILE)
-            throw;
+        try
+        {
+            if (getItemType(dirPath) != ItemType::FILE) //throw FileError
+                return; //already existing => possible, if createDirectoryIfMissingRecursion() is run in parallel
+        }
+        catch (FileError&) {} //not yet existing or access error
+        //catch (const FileError& e2) { throw FileError(e.toString(), e2.toString()); } -> details needed???
 
-        //ps.relPath.size() == 1  => same createDirectory() call from above? Maybe parent folder was created by parallel thread shortly after failure!
-        Zstring intermediatePath = ps.existingPath;
-        for (const Zstring& itemName : ps.relPath)
-            try
-            {
-                createDirectory(intermediatePath = appendSeparator(intermediatePath) + itemName); //throw FileError, ErrorTargetExisting
-            }
-            catch (ErrorTargetExisting&) {} //possible, if createDirectoryIfMissingRecursion() is run in parallel
+        throw;
     }
 }
 
diff --git a/zen/file_access.h b/zen/file_access.h
index 916f23f5..514d798e 100755
--- a/zen/file_access.h
+++ b/zen/file_access.h
@@ -30,8 +30,6 @@ std::optional<Zstring> getParentFolderPath(const Zstring& itemPath);
 //POSITIVE existence checks; if false: 1. item not existing 2. different type 3.device access error or similar
 bool fileAvailable(const Zstring& filePath); //noexcept
 bool dirAvailable (const Zstring& dirPath ); //
-//NEGATIVE existence checks; if false: 1. item existing 2.device access error or similar
-bool itemNotExisting(const Zstring& itemPath);
 
 enum class ItemType
 {
@@ -40,17 +38,12 @@ enum class ItemType
     SYMLINK,
 };
 //(hopefully) fast: does not distinguish between error/not existing
-ItemType      getItemType        (const Zstring& itemPath); //throw FileError
+ItemType getItemType(const Zstring& itemPath); //throw FileError
 //execute potentially SLOW folder traversal but distinguish error/not existing
-std::optional<ItemType> getItemTypeIfExists(const Zstring& itemPath); //throw FileError
-
-struct PathStatus
-{
-    ItemType existingType;
-    Zstring existingPath;         //itemPath =: existingPath + relPath
-    std::vector<Zstring> relPath; //
-};
-PathStatus getPathStatus(const Zstring& itemPath); //throw FileError
+//  assumes: - base path still exists
+//           - all child item path parts must correspond to folder traversal
+//  => we can conclude whether an item is *not* existing anymore by doing a *case-sensitive* name search => potentially SLOW!
+std::optional<ItemType> itemStillExists(const Zstring& itemPath); //throw FileError
 
 enum class ProcSymlink
 {
@@ -62,7 +55,8 @@ void setFileTime(const Zstring& filePath, time_t modTime, ProcSymlink procSl); /
 //symlink handling: always evaluate target
 uint64_t getFileSize(const Zstring& filePath); //throw FileError
 uint64_t getFreeDiskSpace(const Zstring& path); //throw FileError, returns 0 if not available
-VolumeId getVolumeId(const Zstring& itemPath); //throw FileError
+FileId /*optional*/ getFileId(const Zstring& itemPath); //throw FileError
+
 //get per-user directory designated for temporary files:
 Zstring getTempFolderPath(); //throw FileError
 
diff --git a/zen/file_io.cpp b/zen/file_io.cpp
index df47e4c5..80fb3153 100755
--- a/zen/file_io.cpp
+++ b/zen/file_io.cpp
@@ -128,7 +128,7 @@ size_t FileInput::tryRead(void* buffer, size_t bytesToRead) //throw FileError, E
     return bytesRead; //"zero indicates end of file"
 }
 
-
+ 
 size_t FileInput::read(void* buffer, size_t bytesToRead) //throw FileError, ErrorFileLocked, X; return "bytesToRead" bytes unless end of stream!
 {
     /*
diff --git a/zen/legacy_compiler.h b/zen/legacy_compiler.h
index 16d87c53..bebf5a05 100755
--- a/zen/legacy_compiler.h
+++ b/zen/legacy_compiler.h
@@ -7,11 +7,47 @@
 #ifndef LEGACY_COMPILER_H_839567308565656789
 #define LEGACY_COMPILER_H_839567308565656789
 
+//#include <span> //requires C++20
+
+
 namespace std
 {
 //https://gcc.gnu.org/onlinedocs/libstdc++/manual/status.html
 //https://isocpp.org/std/standing-documents/sd-6-sg10-feature-test-recommendations
 
+
+
+//requires C++20! until then, this should suffice...
+template <class T>
+class span
+{
+public:
+    template <class Iterator>
+    span(Iterator first, Iterator last) : size_(last - first), data_(first != last ? &*first : nullptr) {}
+
+    template <class Container>
+    span(Container& cont) : span(cont.begin(), cont.end()) {}
+    
+    using iterator        = T*;
+    using const_iterator  = const T*;
+       
+    iterator begin() { return data_; }
+    iterator end  () { return data_ + size_; }
+
+    const_iterator begin() const { return data_; }
+    const_iterator end  () const { return data_ + size_; }
+
+    const_iterator cbegin() const { return begin(); }
+    const_iterator cend  () const { return end  (); }
+
+    T*     data() const { return data_; }
+    size_t size() const { return size_; }
+    bool  empty() const { return size_ == 0; }
+
+private:
+    const size_t size_;
+    T* const data_;
+};
 }
 
 #endif //LEGACY_COMPILER_H_839567308565656789
diff --git a/zen/recycler.cpp b/zen/recycler.cpp
index 8b4389a7..8d34f262 100755
--- a/zen/recycler.cpp
+++ b/zen/recycler.cpp
@@ -27,7 +27,7 @@ bool zen::recycleOrDeleteIfExists(const Zstring& itemPath) //throw FileError
 
     if (!::g_file_trash(file, nullptr, &error))
     {
-        const std::optional<ItemType> type = getItemTypeIfExists(itemPath); //throw FileError
+        const std::optional<ItemType> type = itemStillExists(itemPath); //throw FileError
         if (!type)
             return false;
 
diff --git a/zen/ring_buffer.h b/zen/ring_buffer.h
index 232e17da..e3dbd55f 100755
--- a/zen/ring_buffer.h
+++ b/zen/ring_buffer.h
@@ -8,10 +8,7 @@
 #define RING_BUFFER_H_01238467085684139453534
 
 #include <cassert>
-#include <vector>
-#include <stdexcept>
 #include "scope_guard.h"
-#include "string_tools.h"
 
 
 namespace zen
@@ -40,13 +37,24 @@ public:
 
     ~RingBuffer() { clear(); }
 
-    reference       front()       { return getBufPtr()[bufStart_]; }
-    const_reference front() const { return getBufPtr()[bufStart_]; }
+    reference       front()       { checkInvariants(); assert(!empty()); return getBufPtr()[bufStart_]; }
+    const_reference front() const { checkInvariants(); assert(!empty()); return getBufPtr()[bufStart_]; }
+
+    reference       back()       { checkInvariants(); assert(!empty()); return getBufPtr()[getBufPos(size_ - 1)]; }
+    const_reference back() const { checkInvariants(); assert(!empty()); return getBufPtr()[getBufPos(size_ - 1)]; }
+
+    template <class U>
+    void push_front(U&& value)
+    {
+        reserve(size_ + 1); //throw ?
+        ::new (getBufPtr() + getBufPos(capacity_ - 1)) T(std::forward<U>(value)); //throw ?
+        ++size_;
+        bufStart_ = getBufPos(capacity_ - 1);
+    }
 
     template <class U>
     void push_back(U&& value)
     {
-        checkInvariants();
         reserve(size_ + 1); //throw ?
         ::new (getBufPtr() + getBufPos(size_)) T(std::forward<U>(value)); //throw ?
         ++size_;
@@ -54,15 +62,21 @@ public:
 
     void pop_front()
     {
-        checkInvariants();
-        if (empty())
-            throw std::logic_error("Contract violation! " + std::string(__FILE__) + ":" + numberTo<std::string>(__LINE__));
-
         front().~T();
-        ++bufStart_;
         --size_;
 
-        if (size_ == 0 || bufStart_ == capacity_)
+        if (size_ == 0)
+            bufStart_ = 0;
+        else
+            bufStart_ = getBufPos(1);
+    }
+
+    void pop_back()
+    {
+        back().~T();
+        --size_;
+
+        if (size_ == 0)
             bufStart_ = 0;
     }
 
@@ -80,8 +94,6 @@ public:
     template <class Iterator>
     void insert_back(Iterator first, Iterator last) //throw ? (strong exception-safety!)
     {
-        checkInvariants();
-
         const size_t len = last - first;
         reserve(size_ + len); //throw ?
 
@@ -100,10 +112,8 @@ public:
     void extract_front(Iterator first, Iterator last) //throw ? strongly exception-safe! (but only basic exception safety for [first, last) range)
     {
         checkInvariants();
-
         const size_t len = last - first;
-        if (size_ < len)
-            throw std::logic_error("Contract violation! " + std::string(__FILE__) + ":" + numberTo<std::string>(__LINE__));
+        assert(size_ >= len);
 
         const size_t frontSize = std::min(len, capacity_ - bufStart_);
 
@@ -113,13 +123,12 @@ public:
         std::destroy(getBufPtr() + bufStart_, getBufPtr() + bufStart_ + frontSize);
         std::destroy(getBufPtr(), getBufPtr() + len - frontSize);
 
-        bufStart_ += len;
-        size_   -= len;
+        size_ -= len;
 
         if (size_ == 0)
             bufStart_ = 0;
-        else if (bufStart_ >= capacity_)
-            bufStart_ -= capacity_;
+        else
+            bufStart_ = getBufPos(len);
     }
 
     void swap(RingBuffer& other)
@@ -132,6 +141,8 @@ public:
 
     void reserve(size_t minSize) //throw ? (strong exception-safety!)
     {
+        checkInvariants();
+
         if (minSize > capacity_)
         {
             const size_t newCapacity = std::max(minSize + minSize / 2, minSize); //no minimum capacity: just like std::vector<> implementation
@@ -205,7 +216,7 @@ private:
 
     struct FreeStoreDelete { void operator()(std::byte* p) const { ::operator delete (p); } };
 
-    T*       getBufPtr()       { return reinterpret_cast<T*>(rawMem_.get()); }
+    /**/  T* getBufPtr()       { return reinterpret_cast<T*>(rawMem_.get()); }
     const T* getBufPtr() const { return reinterpret_cast<T*>(rawMem_.get()); }
 
     //unlike pure std::uninitialized_move, this one allows for strong exception-safety!
diff --git a/zen/serialize.h b/zen/serialize.h
index d34b61b2..8b4c58ea 100755
--- a/zen/serialize.h
+++ b/zen/serialize.h
@@ -36,20 +36,20 @@ public:
     using iterator       = std::vector<std::byte>::iterator;
     using const_iterator = std::vector<std::byte>::const_iterator;
 
-    iterator begin() { return buffer_->begin(); }
-    iterator end  () { return buffer_->end  (); }
+    iterator begin() { return buffer_.ref().begin(); }
+    iterator end  () { return buffer_.ref().end  (); }
 
-    const_iterator begin() const { return buffer_->begin(); }
-    const_iterator end  () const { return buffer_->end  (); }
+    const_iterator begin() const { return buffer_.ref().begin(); }
+    const_iterator end  () const { return buffer_.ref().end  (); }
 
-    void resize(size_t len) { buffer_->resize(len); }
-    size_t size() const { return buffer_->size(); }
-    bool  empty() const { return buffer_->empty(); }
+    void resize(size_t len) { buffer_.ref().resize(len); }
+    size_t size() const { return buffer_.ref().size(); }
+    bool  empty() const { return buffer_.ref().empty(); }
 
-    inline friend bool operator==(const ByteArray& lhs, const ByteArray& rhs) { return *lhs.buffer_ == *rhs.buffer_; }
+    inline friend bool operator==(const ByteArray& lhs, const ByteArray& rhs) { return lhs.buffer_.ref() == rhs.buffer_.ref(); }
 
 private:
-    std::shared_ptr<std::vector<std::byte>> buffer_ = std::make_shared<std::vector<std::byte>>(); //always bound!
+    SharedRef<std::vector<std::byte>> buffer_ = makeSharedRef<std::vector<std::byte>>();
     //perf: shared_ptr indirection irrelevant: less than 1% slower!
 };
 
diff --git a/zen/stl_tools.h b/zen/stl_tools.h
index c3a9bf8f..d8bda888 100755
--- a/zen/stl_tools.h
+++ b/zen/stl_tools.h
@@ -11,10 +11,11 @@
 #include <map>
 #include <vector>
 #include <memory>
+#include <cassert>
 #include <algorithm>
 #include <optional>
 #include "string_traits.h"
-#include "build_info.h"
+//#include "build_info.h"
 
 
 //enhancements for <algorithm>
@@ -22,13 +23,13 @@ namespace zen
 {
 //erase selected elements from any container:
 template <class T, class Alloc, class Predicate>
-void erase_if(std::vector<T, Alloc>& v, Predicate p);
+void eraseIf(std::vector<T, Alloc>& v, Predicate p);
 
 template <class T, class LessType, class Alloc, class Predicate>
-void erase_if(std::set<T, LessType, Alloc>& s, Predicate p);
+void eraseIf(std::set<T, LessType, Alloc>& s, Predicate p);
 
 template <class KeyType, class ValueType, class LessType, class Alloc, class Predicate>
-void erase_if(std::map<KeyType, ValueType, LessType, Alloc>& m, Predicate p);
+void eraseIf(std::map<KeyType, ValueType, LessType, Alloc>& m, Predicate p);
 
 //append STL containers
 template <class T, class Alloc, class C>
@@ -48,14 +49,14 @@ void removeDuplicates(std::vector<T, Alloc>& v, CompLess less);
 
 //binary search returning an iterator
 template <class Iterator, class T, class CompLess>
-Iterator binary_search(Iterator first, Iterator last, const T& value, CompLess less);
+Iterator binarySearch(Iterator first, Iterator last, const T& value, CompLess less);
 
 template <class BidirectionalIterator, class T>
-BidirectionalIterator find_last(BidirectionalIterator first, BidirectionalIterator last, const T& value);
+BidirectionalIterator findLast(BidirectionalIterator first, BidirectionalIterator last, const T& value);
 
 //replacement for std::find_end taking advantage of bidirectional iterators (and giving the algorithm a reasonable name)
 template <class BidirectionalIterator1, class BidirectionalIterator2>
-BidirectionalIterator1 search_last(BidirectionalIterator1 first1, BidirectionalIterator1 last1,
+BidirectionalIterator1 searchLast(BidirectionalIterator1 first1, BidirectionalIterator1 last1,
                                    BidirectionalIterator2 first2, BidirectionalIterator2 last2);
 
 template <class Num, class ByteIterator> Num hashBytes                   (ByteIterator first, ByteIterator last);
@@ -74,17 +75,49 @@ struct StringHash
 };
 
 
-//why, oh wy is there no std::optional<T>::get()???
+//why, oh why is there no std::optional<T>::get()???
 template <class T> inline       T* get(      std::optional<T>& opt) { return opt ? &*opt : nullptr; }
 template <class T> inline const T* get(const std::optional<T>& opt) { return opt ? &*opt : nullptr; }
 
 
 
+//===========================================================================
+template <class T> class SharedRef;
+template <class T, class... Args> SharedRef<T> makeSharedRef(Args&& ... args);
+
+template <class T>
+class SharedRef //why is there no std::shared_ref???
+{
+public:
+    SharedRef() = delete; //no suprise memory allocations => always construct with makeSharedRef()
+
+    template <class U>
+    SharedRef(const SharedRef<U>& other) : ref_(other.ref_) {}
+
+    /**/  T& ref()       { return *ref_; };
+    const T& ref() const { return *ref_; };
+
+    std::shared_ptr<T> ptr() { return ref_; };
+
+private:
+    explicit SharedRef(std::shared_ptr<T>&& ptr) : ref_(std::move(ptr)) { assert(ref_); }
+
+    template <class U, class... Args> friend SharedRef<U> makeSharedRef(Args&& ... args);
+    template <class U> friend class SharedRef;
+
+    std::shared_ptr<T> ref_; //always bound
+};
+
+template <class T, class... Args> inline
+SharedRef<T> makeSharedRef(Args&&... args) { return SharedRef<T>(std::make_shared<T>(std::forward<Args>(args)...)); }
+//===========================================================================
+
+
 
 //######################## implementation ########################
 
 template <class T, class Alloc, class Predicate> inline
-void erase_if(std::vector<T, Alloc>& v, Predicate p)
+void eraseIf(std::vector<T, Alloc>& v, Predicate p)
 {
     v.erase(std::remove_if(v.begin(), v.end(), p), v.end());
 }
@@ -93,7 +126,7 @@ void erase_if(std::vector<T, Alloc>& v, Predicate p)
 namespace impl
 {
 template <class S, class Predicate> inline
-void set_or_map_erase_if(S& s, Predicate p)
+void setOrMapEraseIf(S& s, Predicate p)
 {
     for (auto it = s.begin(); it != s.end();)
         if (p(*it))
@@ -105,11 +138,11 @@ void set_or_map_erase_if(S& s, Predicate p)
 
 
 template <class T, class LessType, class Alloc, class Predicate> inline
-void erase_if(std::set<T, LessType, Alloc>& s, Predicate p) { impl::set_or_map_erase_if(s, p); } //don't make this any more generic! e.g. must not compile for std::vector!!!
+void eraseIf(std::set<T, LessType, Alloc>& s, Predicate p) { impl::setOrMapEraseIf(s, p); } //don't make this any more generic! e.g. must not compile for std::vector!!!
 
 
 template <class KeyType, class ValueType, class LessType, class Alloc, class Predicate> inline
-void erase_if(std::map<KeyType, ValueType, LessType, Alloc>& m, Predicate p) { impl::set_or_map_erase_if(m, p); }
+void eraseIf(std::map<KeyType, ValueType, LessType, Alloc>& m, Predicate p) { impl::setOrMapEraseIf(m, p); }
 
 
 template <class T, class Alloc, class C> inline
@@ -147,7 +180,7 @@ void removeDuplicates(std::vector<T, Alloc>& v)
 
 
 template <class Iterator, class T, class CompLess> inline
-Iterator binary_search(Iterator first, Iterator last, const T& value, CompLess less)
+Iterator binarySearch(Iterator first, Iterator last, const T& value, CompLess less)
 {
     static_assert(std::is_same_v<typename std::iterator_traits<Iterator>::iterator_category, std::random_access_iterator_tag>);
 
@@ -160,7 +193,7 @@ Iterator binary_search(Iterator first, Iterator last, const T& value, CompLess l
 
 
 template <class BidirectionalIterator, class T> inline
-BidirectionalIterator find_last(const BidirectionalIterator first, const BidirectionalIterator last, const T& value)
+BidirectionalIterator findLast(const BidirectionalIterator first, const BidirectionalIterator last, const T& value)
 {
     for (BidirectionalIterator it = last; it != first;) //reverse iteration: 1. check 2. decrement 3. evaluate
     {
@@ -174,7 +207,7 @@ BidirectionalIterator find_last(const BidirectionalIterator first, const Bidirec
 
 
 template <class BidirectionalIterator1, class BidirectionalIterator2> inline
-BidirectionalIterator1 search_last(const BidirectionalIterator1 first1,       BidirectionalIterator1 last1,
+BidirectionalIterator1 searchLast(const BidirectionalIterator1 first1,       BidirectionalIterator1 last1,
                                    const BidirectionalIterator2 first2, const BidirectionalIterator2 last2)
 {
     const BidirectionalIterator1 itNotFound = last1;
diff --git a/zen/string_base.h b/zen/string_base.h
index 9632eba4..91a6d5bd 100755
--- a/zen/string_base.h
+++ b/zen/string_base.h
@@ -410,7 +410,7 @@ size_t Zbase<Char, SP>::rfind(Char ch, size_t pos) const
     assert(pos == npos || pos <= length());
     const size_t len = length();
     const Char* currEnd = begin() + (pos == npos ? len : std::min(pos + 1, len));
-    const Char* it = find_last(begin(), currEnd, ch);
+    const Char* it = findLast(begin(), currEnd, ch);
     return it == currEnd ? npos : it - begin();
 }
 
@@ -422,7 +422,7 @@ size_t Zbase<Char, SP>::rfind(const Char* str, size_t pos) const
     const size_t strLen = strLength(str);
     const size_t len = length();
     const Char* currEnd = begin() + (pos == npos ? len : std::min(pos + strLen, len));
-    const Char* it = search_last(begin(), currEnd,
+    const Char* it = searchLast(begin(), currEnd,
                                  str, str + strLen);
     return it == currEnd ? npos : it - begin();
 }
diff --git a/zen/string_tools.h b/zen/string_tools.h
index 657c70d5..8579a460 100755
--- a/zen/string_tools.h
+++ b/zen/string_tools.h
@@ -104,26 +104,19 @@ template <class T, class S> T copyStringTo(S&& str);
 
 
 //---------------------- implementation ----------------------
-template <> inline
-bool isWhiteSpace(char c)
-{
-    assert(c != 0); //std C++ does not consider 0 as white space
-    //caveat 1: std::isspace() takes an int, but expects an unsigned char
-    //caveat 2: some parts of UTF-8 chars are erroneously seen as whitespace, e.g. the a0 from "\xec\x8b\xa0" (MSVC)
-    return static_cast<unsigned char>(c) < 128 &&
-           std::isspace(static_cast<unsigned char>(c)) != 0;
-}
-
-template <> inline
-bool isWhiteSpace(wchar_t c)
+template <class Char> inline
+bool isWhiteSpace(Char c)
 {
+    static_assert(std::is_same_v<Char, char> || std::is_same_v<Char, wchar_t>);
     assert(c != 0); //std C++ does not consider 0 as white space
-    return std::iswspace(c) != 0;
+    return c == static_cast<Char>(' ') || (static_cast<Char>('\t') <= c && c <= static_cast<Char>('\r'));
+    //following std::isspace() for default locale but without the interface insanity:
+    //  - std::isspace() takes an int, but expects an unsigned char
+    //  - some parts of UTF-8 chars are erroneously seen as whitespace, e.g. the a0 from "\xec\x8b\xa0" (MSVC)
 }
 
-
 template <class Char> inline
-bool isDigit(Char c) //similar to implmenetation of std::isdigit()!
+bool isDigit(Char c) //similar to implementation of std::isdigit()!
 {
     static_assert(std::is_same_v<Char, char> || std::is_same_v<Char, wchar_t>);
     return static_cast<Char>('0') <= c && c <= static_cast<Char>('9');
@@ -306,7 +299,7 @@ S afterLast(const S& str, const T& term, FailureReturnVal rv)
     const auto* const strLast   = strFirst + strLength(str);
     const auto* const termFirst = strBegin(term);
 
-    const auto* it = search_last(strFirst, strLast,
+    const auto* it = searchLast(strFirst, strLast,
                                  termFirst, termFirst + termLen);
     if (it == strLast)
         return rv == IF_MISSING_RETURN_ALL ? str : S();
@@ -327,7 +320,7 @@ S beforeLast(const S& str, const T& term, FailureReturnVal rv)
     const auto* const strLast   = strFirst + strLength(str);
     const auto* const termFirst = strBegin(term);
 
-    const auto* it = search_last(strFirst, strLast,
+    const auto* it = searchLast(strFirst, strLast,
                                  termFirst, termFirst + termLen);
     if (it == strLast)
         return rv == IF_MISSING_RETURN_ALL ? str : S();
@@ -725,7 +718,7 @@ Num extractInteger(const S& str, bool& hasMinusSign) //very fast conversion to i
             number += c - static_cast<CharType>('0');
         }
         else //rest of string should contain whitespace only, it's NOT a bug if there is something else!
-            break; //assert(std::all_of(iter, last, &isWhiteSpace<CharType>)); -> this is NO assert situation
+            break; //assert(std::all_of(iter, last, isWhiteSpace<CharType>)); -> this is NO assert situation
     }
     return number;
 }
diff --git a/zen/string_traits.h b/zen/string_traits.h
index cd7dbf1b..93cfd81c 100755
--- a/zen/string_traits.h
+++ b/zen/string_traits.h
@@ -53,7 +53,7 @@ public:
 
 private:
     const size_t len_;
-    Char* str_;
+    Char* const str_;
 };
 
 
diff --git a/zen/thread.h b/zen/thread.h
index 7f3d216c..809bc771 100755
--- a/zen/thread.h
+++ b/zen/thread.h
@@ -90,10 +90,10 @@ bool isReady(const std::future<T>& f) { return f.wait_for(std::chrono::seconds(0
 
 //wait until first job is successful or all failed: substitute until std::when_any is available
 template <class T>
-class GetFirstResult
+class AsyncFirstResult
 {
 public:
-    GetFirstResult();
+    AsyncFirstResult();
 
     template <class Fun>
     void addJob(Fun&& f); //f must return a std::optional<T> containing a value if successful
@@ -161,12 +161,15 @@ public:
     ThreadGroup& operator=(ThreadGroup&& tmp) noexcept { swap(tmp); return *this; } //noexcept *required* to support move for reallocations in std::vector and std::swap!!!
 
     //context of controlling OR worker thread, non-blocking:
-    void run(Function&& wi /*should throw ThreadInterruption when needed*/)
+    void run(Function&& wi /*should throw ThreadInterruption when needed*/, bool insertFront = false)
     {
         {
             std::lock_guard<std::mutex> dummy(workLoad_->lock);
 
-            workLoad_->tasks.push_back(std::move(wi));
+            if (insertFront)
+                workLoad_->tasks.push_front(std::move(wi));
+            else
+                workLoad_->tasks.push_back(std::move(wi));
             const size_t tasksPending = ++(workLoad_->tasksPending);
 
             if (worker_.size() < std::min(tasksPending, threadCountMax_))
@@ -318,7 +321,7 @@ bool wait_for_all_timed(InputIterator first, InputIterator last, const Duration&
 
 
 template <class T>
-class GetFirstResult<T>::AsyncResult
+class AsyncFirstResult<T>::AsyncResult
 {
 public:
     //context: worker threads
@@ -361,12 +364,12 @@ private:
 
 
 template <class T> inline
-GetFirstResult<T>::GetFirstResult() : asyncResult_(std::make_shared<AsyncResult>()) {}
+AsyncFirstResult<T>::AsyncFirstResult() : asyncResult_(std::make_shared<AsyncResult>()) {}
 
 
 template <class T>
 template <class Fun> inline
-void GetFirstResult<T>::addJob(Fun&& f) //f must return a std::optional<T> containing a value on success
+void AsyncFirstResult<T>::addJob(Fun&& f) //f must return a std::optional<T> containing a value on success
 {
     std::thread t([asyncResult = this->asyncResult_, f = std::forward<Fun>(f)] { asyncResult->reportFinished(f()); });
     ++jobsTotal_;
@@ -376,11 +379,11 @@ void GetFirstResult<T>::addJob(Fun&& f) //f must return a std::optional<T> conta
 
 template <class T>
 template <class Duration> inline
-bool GetFirstResult<T>::timedWait(const Duration& duration) const { return asyncResult_->waitForResult(jobsTotal_, duration); }
+bool AsyncFirstResult<T>::timedWait(const Duration& duration) const { return asyncResult_->waitForResult(jobsTotal_, duration); }
 
 
 template <class T> inline
-std::optional<T> GetFirstResult<T>::get() const { return asyncResult_->getResult(jobsTotal_); }
+std::optional<T> AsyncFirstResult<T>::get() const { return asyncResult_->getResult(jobsTotal_); }
 
 //------------------------------------------------------------------------------------------
 
diff --git a/zen/zstring.cpp b/zen/zstring.cpp
index 68609030..f8a34045 100755
--- a/zen/zstring.cpp
+++ b/zen/zstring.cpp
@@ -77,22 +77,19 @@ Zstring replaceCpyAsciiNoCase(const Zstring& str, const Zstring& oldTerm, const
 {
     if (oldTerm.empty())
         return str;
-    
-    Zstring strU = str;    
-    Zstring oldU = oldTerm;
-          
-    for (Zchar& c : strU) c = asciiToUpper(c); //can't use makeUpperCopy(): input/output sizes may differ!
-    for (Zchar& c : oldU) c = asciiToUpper(c); //
 
     Zstring output;
 
     for (size_t pos = 0;;)
     {
-        const size_t posFound = strU.find(oldU, pos);
-        if (posFound == Zstring::npos)
+        const size_t posFound = std::search(str.begin() + pos, str.end(), //can't use makeUpperCopy(): input/output sizes may differ!
+                                            oldTerm.begin(), oldTerm.end(),
+        [](Zchar charL, Zchar charR) { return asciiToUpper(charL) == asciiToUpper(charR); }) - str.begin();
+
+        if (posFound == str.size())
         {
             if (pos == 0) //optimize "oldTerm not found": return ref-counted copy
-                return str; 
+                return str;
             output.append(str.begin() + pos, str.end());
             return output;
         }
@@ -126,7 +123,7 @@ OS X (UTF8 char)
 ________________________
 time per call | function
 */
-int compareLocalPath(const Zstring& lhs, const Zstring& rhs)
+int compareNativePath(const Zstring& lhs, const Zstring& rhs)
 {
     assert(lhs.find(Zchar('\0')) == Zstring::npos); //don't expect embedded nulls!
     assert(rhs.find(Zchar('\0')) == Zstring::npos); //
@@ -250,8 +247,3 @@ int compareNatural(const Zstring& lhs, const Zstring& rhs)
     }
 
 }
-
-
-warn_static("clean up implementation of these two:")
-//template <> inline bool isWhiteSpace(char c)
-//template <> inline bool isWhiteSpace(wchar_t c)
diff --git a/zen/zstring.h b/zen/zstring.h
index 20cf968d..9fecdce3 100755
--- a/zen/zstring.h
+++ b/zen/zstring.h
@@ -35,24 +35,18 @@ Zstring getUnicodeNormalForm(const Zstring& str);
 
 Zstring replaceCpyAsciiNoCase(const Zstring& str, const Zstring& oldTerm, const Zstring& newTerm);
 
+struct LessUnicodeNormal { bool operator()(const Zstring& lhs, const Zstring& rhs) const { return getUnicodeNormalForm(lhs) < getUnicodeNormalForm(rhs);} };
+
 //------------------------------------------------------------------------------------------
-//inline
-//int compareNoCase(const Zstring& lhs, const Zstring& rhs)
-//{
-//    return zen::compareString(makeUpperCopy(lhs), makeUpperCopy(rhs));
-//    //avoid eager optimization bugs: e.g. "if (isAsciiString()) compareAsciiNoCase()" might model a different order!
-//}
 
 inline bool equalNoCase(const Zstring& lhs, const Zstring& rhs) { return makeUpperCopy(lhs) == makeUpperCopy(rhs); }
 
 struct ZstringNoCase //use as STL container key: avoid needless upper-case conversions during std::map<>::find()
 {
-        ZstringNoCase(const Zstring& str) : upperCase(makeUpperCopy(str)) {}
-        Zstring upperCase;
+    ZstringNoCase(const Zstring& str) : upperCase(makeUpperCopy(str)) {}
+    Zstring upperCase;
 };
-inline bool operator<(const ZstringNoCase& lhs, const ZstringNoCase& rhs) { return lhs.upperCase < rhs.upperCase; } 
-
-//struct LessNoCase { bool operator()(const Zstring& lhs, const Zstring& rhs) const { return compareNoCase(lhs, rhs) < 0; } };
+inline bool operator<(const ZstringNoCase& lhs, const ZstringNoCase& rhs) { return lhs.upperCase < rhs.upperCase; }
 
 //------------------------------------------------------------------------------------------
 
@@ -60,11 +54,11 @@ inline bool operator<(const ZstringNoCase& lhs, const ZstringNoCase& rhs) { retu
 //  Windows: igore case
 //  Linux:   byte-wise comparison
 //  macOS:   igore case + Unicode normalization forms
-int compareLocalPath(const Zstring& lhs, const Zstring& rhs);
+int compareNativePath(const Zstring& lhs, const Zstring& rhs);
 
-inline bool equalLocalPath(const Zstring& lhs, const Zstring& rhs) { return compareLocalPath(lhs, rhs) == 0;  }
+inline bool equalNativePath(const Zstring& lhs, const Zstring& rhs) { return compareNativePath(lhs, rhs) == 0;  }
 
-struct LessLocalPath { bool operator()(const Zstring& lhs, const Zstring& rhs) const { return compareLocalPath(lhs, rhs) < 0;  } };
+struct LessNativePath { bool operator()(const Zstring& lhs, const Zstring& rhs) const { return compareNativePath(lhs, rhs) < 0;  } };
 
 //------------------------------------------------------------------------------------------
 int compareNatural(const Zstring& lhs, const Zstring& rhs);
@@ -73,11 +67,7 @@ struct LessNaturalSort { bool operator()(const Zstring& lhs, const Zstring rhs)
 //------------------------------------------------------------------------------------------
 
 warn_static("get rid:")
-inline int compareFilePath(const Zstring& lhs, const Zstring& rhs) { return compareLocalPath(lhs, rhs); }
-
-inline bool equalFilePath(const Zstring& lhs, const Zstring& rhs) { return compareLocalPath(lhs, rhs) == 0; }
-
-struct LessFilePath { bool operator()(const Zstring& lhs, const Zstring& rhs) const { return compareLocalPath(lhs, rhs) < 0; } };
+inline bool equalFilePath(const Zstring& lhs, const Zstring& rhs) { return compareNativePath(lhs, rhs) == 0; }
 //------------------------------------------------------------------------------------------
 
 
@@ -92,18 +82,50 @@ Zstring appendSeparator(Zstring path) //support rvalue references!
 
 
 inline
+Zstring appendPaths(const Zstring& basePath, const Zstring& relPath, Zchar pathSep)
+{
+    using namespace zen;
+
+    assert(!startsWith(relPath, pathSep) && !endsWith(relPath, pathSep));
+    if (relPath.empty())
+        return basePath;
+    if (basePath.empty())
+        return relPath;
+
+    if (startsWith(relPath, pathSep))
+    {
+        if (relPath.size() == 1)
+            return basePath;
+
+        if (endsWith(basePath, pathSep))
+            return basePath + (relPath.c_str() + 1);
+    }
+    else if (!endsWith(basePath, pathSep))
+    {
+        Zstring output = basePath;
+        output.reserve(basePath.size() + 1 + relPath.size()); //append all three strings using a single memory allocation
+        return std::move(output) + pathSep + relPath;         //
+    }
+
+    return basePath + relPath;
+}
+
+inline Zstring nativeAppendPaths(const Zstring& basePath, const Zstring& relPath) { return appendPaths(basePath, relPath, FILE_NAME_SEPARATOR); }
+
+
+inline
 Zstring getFileExtension(const Zstring& filePath)
 {
     //const Zstring fileName = afterLast(filePath, FILE_NAME_SEPARATOR, zen::IF_MISSING_RETURN_ALL);
     //return afterLast(fileName, Zstr('.'), zen::IF_MISSING_RETURN_NONE);
 
-    auto it = zen::find_last(filePath.begin(), filePath.end(), FILE_NAME_SEPARATOR);
+    auto it = zen::findLast(filePath.begin(), filePath.end(), FILE_NAME_SEPARATOR);
     if (it == filePath.end())
         it = filePath.begin();
     else
         ++it;
 
-    auto it2 = zen::find_last(it, filePath.end(), Zstr('.'));
+    auto it2 = zen::findLast(it, filePath.end(), Zstr('.'));
     if (it2 != filePath.end())
         ++it2;
 
diff --git a/zenXml/zenxml/parser.h b/zenXml/zenxml/parser.h
index a90d163a..70bf6654 100755
--- a/zenXml/zenxml/parser.h
+++ b/zenXml/zenxml/parser.h
@@ -316,7 +316,7 @@ public:
     Token getNextToken() //throw XmlParsingError
     {
         //skip whitespace
-        pos_ = std::find_if(pos_, stream_.end(), std::not_fn(isWhiteSpace<char>));
+        pos_ = std::find_if_not(pos_, stream_.end(), isWhiteSpace<char>);
 
         if (pos_ == stream_.end())
             return Token::TK_END;
diff --git a/zenXml/zenxml/xml.h b/zenXml/zenxml/xml.h
index 5eddc462..15d635bd 100755
--- a/zenXml/zenxml/xml.h
+++ b/zenXml/zenxml/xml.h
@@ -277,12 +277,12 @@ public:
         {
             bool success = readStruc(*refList_[refIndex_], value);
             if (!success)
-                log_->notifyConversionError(getNameFormatted());
+                log_.ref().notifyConversionError(getNameFormatted());
             return success;
         }
         else
         {
-            log_->notifyMissingElement(getNameFormatted());
+            log_.ref().notifyMissingElement(getNameFormatted());
             return false;
         }
     }
@@ -312,12 +312,12 @@ public:
         {
             bool success = refList_[refIndex_]->getAttribute(name, value);
             if (!success)
-                log_->notifyMissingAttribute(getNameFormatted(), utfTo<std::string>(name));
+                log_.ref().notifyMissingAttribute(getNameFormatted(), utfTo<std::string>(name));
             return success;
         }
         else
         {
-            log_->notifyMissingElement(getNameFormatted());
+            log_.ref().notifyMissingElement(getNameFormatted());
             return false;
         }
     }
@@ -357,7 +357,7 @@ public:
       However be aware that the chain of connected proxy instances will be broken once you call XmlIn::get() to retrieve the underlying pointer.
       Errors that occur when working with this pointer are not logged by the original set of related instances.
     */
-    bool haveErrors() const { return !log_->elementList().empty(); }
+    bool haveErrors() const { return !log_.ref().elementList().empty(); }
 
     ///Get a list of XML element and attribute names which failed to convert to user data.
     /**
@@ -368,13 +368,13 @@ public:
     std::vector<String> getErrorsAs() const
     {
         std::vector<String> output;
-        const auto& elements = log_->elementList();
+        const auto& elements = log_.ref().elementList();
         std::transform(elements.begin(), elements.end(), std::back_inserter(output), [](const std::string& str) { return utfTo<String>(str); });
         return output;
     }
 
 private:
-    XmlIn(const std::vector<const XmlElement*>& siblingList, const std::string& elementNameFmt, const std::shared_ptr<ErrorLog>& sharedlog) :
+    XmlIn(const std::vector<const XmlElement*>& siblingList, const std::string& elementNameFmt, const SharedRef<ErrorLog>& sharedlog) :
         refList_(siblingList), formattedName_(elementNameFmt), log_(sharedlog)
     { assert((!siblingList.empty() && elementNameFmt.empty()) || (siblingList.empty() && !elementNameFmt.empty())); }
 
@@ -423,7 +423,7 @@ private:
     std::vector<const XmlElement*> refList_; //all sibling elements with same name (all pointers bound!)
     size_t refIndex_ = 0;                    //this sibling's index in refList_
     std::string formattedName_;              //contains full and formatted element name if (and only if) refList_ is empty
-    std::shared_ptr<ErrorLog> log_{ std::make_shared<ErrorLog>() }; //always bound
+    mutable SharedRef<ErrorLog> log_ = makeSharedRef<ErrorLog>();
 };
author	B Stack <bgstack15@gmail.com>	2018-11-13 06:58:56 -0500
committer	B Stack <bgstack15@gmail.com>	2018-11-13 06:58:56 -0500
commit	076498028ff511afd88d93e7b0bf1d1a81093b3d (patch)
tree	30bf08d782d58174a0ca212b2e4b172fabd9c42c
parent	Merge branch '10.5' into 'master' (diff)
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