FreeFileSync Forum

So you are able to reproduce this discrepancy? In this case we could investigate further.Zenju

Yes, there are probably 3 or 4 days of logs (so far) with this error.

Is this issue reproducible or just some temporary issue (e.g. one file was changed after comparing with FFS)?
As you can see in the log, the modification dates are exactly the same. The file on the backup device was created by FFS earlier this week and neither file has been changed since.
I reran ...

I'm having the same trouble with version 7.2.

The log reports:
"FILES\157-JAN2.FLD\10259w149th.ZAP": Files "FILES\157-JAN2.FLD\10259w149th.ZAP" have the same date but a different size.
<-- Date: 1/9/2015 12:01:46 PM Size: 5,086,839
--> Date: 1/9/2015 12:01:46 PM Size: 5,086,854

However, Windows ...