How Do You Restore Vista System Files?
Windows Vista depends on a number of system files for proper operation. If any are missing or damaged, then your computer may behaves in an unpredictably or fail to boot. Windows Vista system has a utility that scans the operating system files and if necessary obtains clean copies from the installation DVD. Use the Windows Vista system file checker to scan and replace the files required by your operating system. Click the Windows Orb (Start button), and then type “command” in the search box at the bottom of the Start menu. Right-click “Command Prompt” on the list of search results and click “Run as Administrator”. Provide the Administrator login credentials for your computer if you are logged in using a limited user account, or click the “Continue” button if a User Account Control prompt is displayed. Type “sfc /scannow” and press “Enter” to have the system file checker scan and repair the system files required by your Windows Vista installation. Be prepared to insert the Vista install