windows system filechecker

can anyone help. i have xp sp1 installed on my machine which is a compaq pressario s3350uk and recently i had to reinstall from scratch . ever since i cannot run the sfc utility when i enter sfc /scannow from the run option absoluty nothing happens. Any thoughts pls

have you tried running it with the xp cd in the drive??

no xp cd recovery files are on d drive

Copy it from C:\I386 to C:\WINDOWS\SYSTEM32

done that copied 3 files but still doesn't work

dooh forgot i would have to restart windows it works fine now thanks for your help