Windows 10 C:\Users\<username>\Appdata\Roaming\Bittorent Sync\ShellExtIO.log It remains even after uninstalling BTSync. Can't delete it. Tried rebooting still can't remove as it is in use. File gets update with new content even though BTSync is uninstalled?   Some of the stuff inside it are 2016-03-11 11:55:55 (Explorer.EXE:1432) ShellDoneOverlayIcon C:\Users\PC\AppData\Roaming\BitTorrent Sync\ShellExtIO.log 2016-03-11 11:55:57 (notepad++.exe:468) ==== end ====