Problem: As above. Log says "Unable to set date for the following file..." for all files, leading SC to re-copy the same files over and over.
Solution: As described at HowIFixedIt.net and the Second Copy wiki:
"To fix the problem, you must edit your Second Copy “profile.dat” file which stores all the program variables.
Make sure the Second Copy program is turned off. You must add “IgnoreTimeDifference=2″ to either the [General] section or the [Options] section. like so:
If you do not have the [Options] section in the profiles.dat file then add it below the [General] section as shown in the example below:
You can try one of the following locations to find "profile.dat":
c:\Documents and Settings\<User>\Local Settings\Application Data\Centered Systems\Second Copy
C:\Users\<User>\AppData\Local\Centered Systems\Second Copy