► Like us on Facebook: br ► Follow me on Dailymotion: br ► Add me on G+: br ► Follow Us on Twitter : br br ******************************************************************** br br What is System File Checker (sfc) ? br br ► Scans and verifies the versions of all protected system files after you restart your computer. br br Syntax for scanning system files br br br ► sfc scannow br br or br br ► sfc.exe scannow br br br ► If sfc discovers that a protected file has been overwritten, it retrieves the correct version of the file from the systemroot\system32\dllcache folder, and then replaces the incorrect file.