FreeFileSync Forum

I always get the error message:
Wait the directory is used: "X: \ Image Collection \ sync.ffs_lock"
The directory is definitely in use.
There is also no file (also no hidden file) "sync.ffs_lock"
What do I have to do to get FreeFileSync to work again?

n German:
Ich bekomme immer die Fehlermeldung ...