FreeFileSync Forum

the attribute is checked in archive, when I uncheck it everything is ok

Exactly!
File details on the Linux NAS
Created 04/17/2025
Modified 01/01/1970 ????
Last accessed 04/17/2025

Hello,
I've been having the same problem for several days on different PCs and a shared NAS.
The date on some files synced on the PC has changed to 01/01/1970.