Basically - you can't. You're better off reverting to the restore-point befor the corrupted one, reinstallinfg any new software, and re-typing any lost data. Once you've done that, create a new restore point after the corrupted one.
The answer is restore point
You should try to do a Restore through iTunes. This will usually fix the problem. If it doesn't fix the problem, then you should take it into the Apple Store at the Genius Bar to see what they can do.
Restore the iPod to the last restore point. You can do this in iTunes.
In Emulators you can't fix the corrupted Data, Just in the GBA or GBA Sp
Use it as a coaster or perhaps a paperweight.
It depends what file was corrupted. The Xbox did nothing, but an update may have fixed it.
Try redownloading them.
gamestop
Directory Services Restore Mode
To fix error code 1460 in Internet Explorer or IE, the computer may have to be reset to an earlier time. This error code is usually because a file is corrupted, not complete, or there is a virus on the computer. A system restore should take care of the problem.
Restore point
delete the data and puted in your psp