sfc won't run

[armstrong]

Dell Dimension 8300 running XP Home sp1.I have tried to run scannow, which has always worked in the past, asking me to load the Win instalation disc. This time - and every time I try it - I see a mini black screen flash on and off, then nothing. Everything else is working fine.Any suggestions?

[b2cm]

Did you type: sfc /scannow?Do Windows do a scan?o you get the WFP prompt for the Windows XP Service Pack 1 CD?

[armstrong]

Did you type: sfc /scannow?Do Windows do a scan?o you get the WFP prompt for the Windows XP Service Pack 1 CD?

<{POST_SNAPBACK}>

Yes, I typed that.No, no scan.No, no prompt. Nothing.

[armstrong]

Have just solved problem by opening the command prompt and typing sfc /scannow there. Worked perfectly! Thanks anyway - and hope this may help someone else if they get the same problem.

[rbdietz]

Have just solved problem by opening the command prompt and typing sfc /scannow there.  Worked perfectly!  Thanks anyway - and hope this may help someone else if they get the same problem.

<{POST_SNAPBACK}>

If it works from a cmd window but not from the Run box, look for a mangled registry key -HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\App Paths\SFC.exe