Windows File Protection (SFC)

Does yer computer files corrupted or infected by viruses ?
Well the best way to restore them is by using Windows File Protection.

Open Start > Run > type "SFC /scannow” (without the quote)

The windows file protection popped out and will start running.
It scans all protected system files and it will ask you to insert yer
WindowsXP cd to replace the incorrect versions with the correct Microsoft versions.