Jurg71

Because of the important data files that were involved, I will not try to reproduce the problem again on those machines, but when I have the time I will try to do a large new sync with logging on with other machines and see if the problem reoccurs. The problem I described with my picture folders, have not occurred again, probably because there are no large (in files quantity) sync/index batches again. Maybe CardinS2U can reproduce his/her problem quicker with logging on.

I had a similar issue. (version 1.0.134 on both pc's) I synced a complete data hard-disk (approx. 3 Gb) from Computer A (WinXP 32bit) to Computer B (WinXP 32bit) which had none of the files/folders present. All files were synced from A to B during the night. After that one of the sub-folders (and none of the other (sub)folders)) suddenly was removed on computer A (and B ) This removed sub-folder ended up in the .synctrash folder on Computer A, but also in the .synctrash folder on Computer B, as if both computers got the delete command from the other computer and therefore transferred the files to the .synctrash folder. Furthermore after moving the files in .synctrash folder on computer A back to their original place, they got deleted again after a few minutes and were back in the .synctrash folder. Because this was a test with some important data files being backuped from A to B, I removed BitTorrent Sync from computer A after that. I have had a similar experience with an older version of BitTorrent Sync while syncing a large folder containing pictures from a computer with Win8 64bit tot WinXp 32 bit. Here also one of the subfolders was deleted en found in the .syntrash folder of the sending computer(Win8 64 bit). In this case both the computers both already had all the files on their hard drives. It just needed indexing. It seams like a bug while syncing folders with a large amount of files