1. Close all programs.
2. Click the Windows 'Start' button and select 'Computer.'

3. Right-click the name of the drive you want to scan and select 'Properties.' By default, Windows resides on your 'C:' drive.
4. Select the 'Tools' tab located near the top of the resulting dialog box.
5. Click the 'Check Now' button, located below the 'Error-checking' heading. Confirm your choice if prompted by Windows.
6. Check only the box labeled 'Automatically fix file system errors.'
7. Click 'Start.' The scanning process begins immediately. It generally completes within 10 minutes.