Hi I keept looking into the issue I described at http://forum.bittorrent.com/topic/39034-cannot-identify-the-destination-folder-related-to-low-memory-also-possible-syncid-corruption/ a couple of days ago, and found out the "assert failed" corruption not only affected .sync/ID, but also some of the synced files!!! This a serious issue. If btsync is randomly appending these messages to some of the synced files (sometimes completely overwriting the files), it can't be trusted. This needs attention, and needs to be fixed. E.g. I found this at the end of a keepass (binary) file: [20150602 2