How to run the System File Checker (SFC)
What is SFC?
The System File Checker, or SFC, is a tool built into XP that scans important system files for corruption and repairs them if necessary.
How do I use it?
You may need an XP CD if it prompts you for one. Follow these steps to run SFC.
- Open the Start menu and click Run
- Type sfc /scannow and press Enter to begin
- Once the dialog disappears it is finished