The System File Checker (sfc.exe) is a command-line device constructed into Windows that helps you restore corrupted system information. If you possibly can’t boot your PC, the Winhelponline weblog explains the way to use it from the set up disc.
Normally you’d simply open up an administrator mode command immediate, after which sort in
sfc /scannow to scan your system information, and both restore or change something that is damaged—however while you’re booting off an set up DVD it is not fairly as easy. Instead, you may must boot off the set up disc, select the “Repair your pc” choice, select your set up drive, open up a command immediate, after which sort on this command:
sfc /scannow /offbootdir=d: /offwindir=d:home windows
You’ll want to regulate the drive letter relying on the place your system is put in—you may in all probability discover that the drive letter is totally different in the course of the restore course of than regular, so be certain that to concentrate on the display the place you select the set up to restore.