FreeFileSync Forum

Thank you for the quick reply. I restored the directories to the list in my original set, and now I cannot recreate the problem. I moved some files in and out of the directory and updated some files, to cause some sync activity, and the sync is now successful every time.
Possibly something got ...

I am on Ubuntu 18.04 and I have been using freefilesync for about a year. I have a sync setup (ffs_gui) that synchronizes a large file structure with a filter that selects certain directories. I added two directories to this list today. After this every sync attempt crashes with a segmentation fault ...