What Does System File Checker (SFC) Mean?
System File Checker (SFC) is a Windows 10 utility that helps administrators to check for file corruption. The executable utility may help to repair registry data. System File Checker is a feature of modern Windows operating systems including Windows 10, Windows 8, Windows 7 and Vista.
Techopedia Explains System File Checker (SFC)
With System File Checker, users can open a command prompt window and trigger a system scan that shows whether protected system files may be corrupted. Microsoft recommends not closing the command prompt window until completion of the scan.