System File Checker in Windows Vista and later Windows operating systems can scan specified files. Also, scans can be performed against an offline Windows installation folder to replace corrupt files, in case the Windows installation is not bootable. For performing offline scans, System File Checker must be run from another working installation of Windows Vista or a later operating system or from the Windows setup DVD which gives access to the [[Windows Recovery Environment]].
In cases where the component store is corrupted, athe tool"System calledUpdate Readiness tool" (CheckSUR) can be installed on Windows 7, Windows Vista, Windows Server 2008 R2 or Windows Server 2008, replaced by "[[Deployment Image Service and 7Management Tool]]" (DISM) for Windows 10, whichWindows 8.1, Windows 8, Windows Server 2012 R2 or Windows Server 2012. This tool checks the store against its own payload and repairs the corruptions that it detects.Tool|DISM]].<ref>{{cite web |url=https://support.microsoft.com/en-us/kb/947821#bookmark-checksur |title=Fix Windows 8Update anderrors laterby integrateusing the functionalityDISM ofor CheckSURSystem intoUpdate [[DeploymentReadiness Imagetool Service|website=Microsoft|date=21 andDecember 2015 ManagementTool|DISM]].author= |accessdate= 10 May 2016}}</ref>
