In the Command Prompt window please select, copy and paste the following command: sfc /scannow Please press Enter to execute Note: This command, depending of your operating system, will ask for windows installation cd.
This method shows you how to verify Windows 7 Integrity using Command Prompt
Please perform the following steps: Please go to Pearl button (Start) and click on the Search programs and files
Please confirm UAC pop-up
Write cmd, right click on cmd icon under programs and choose Run as administrator