FreeFileSync Forum

I ended up re-building my PC (and going back to Win 10) and the above problems have gone away. I have also independently run the same tests on another Win 11 machine and the issues are not present. So I can only conclude it was some deep gremlin in only my computer.
Just for the record
JC

For example, these symptoms are similar to an allegedly solved windows bug ....
..you might have intermittent issues saving, or copying, or attaching files using 32-bit apps which are large address aware and using the CopyFile API. Windows devices are more likely to be affected by this issue when ...

Hi,
I am having trouble with file attributes being lost on copy / sync.
We are using NTFS extended attributes to store information we are interested in.
For some extra analysis I am replicating the data to my home computer. The process involves syncing files from a source machine to a USB drive ...