Dos Prompt Home Page Command Prompt Reference
SFC

SFC was introduced with Windows Vista and is a utility to allow users to scan for corruptions in Windows system files and restore corrupted.
It needs to be run from an elevated command prompt.

SFC

Scans the integrity of all protected system files and replaces incorrect versions with correct Microsoft versions.

SFC [/SCANNOW] [/VERIFYONLY] [/SCANFILE=<file>] [/VERIFYFILE=<file>]
[/OFFWINDIR=<offline windows directory> /OFFBOOTDIR=<offline boot directory>]

/SCANNOW Scans integrity of all protected system files and repairs files with problems when possible.
/VERIFYONLY Scans integrity of all protected system files. No repair operation is performed.
/SCANFILE Scans integrity of the referenced file, repairs file if problems are identified. Specify full path <file>
/VERIFYFILE Verifies the integrity of the file with full path <file>. No repair operation is performed.
/OFFBOOTDIR For offline repair specify the location of the offline boot directory
/OFFWINDIR For offline repair specify the location of the offline windows directory

Examples

sfc /SCANNOW
sfc /VERIFYFILE=c:\windows\system32\kernel32.dll
sfc /SCANFILE=d:\windows\system32\kernel32.dll /OFFBOOTDIR=d:\ /OFFWINDIR=d:\windows
sfc /VERIFYONLY

Associated Commands

More Information

Microsoft KB: Use the System File Checker tool to repair missing or corrupted system files

 

Top of the Page - Command Prompt Reference Home Page
Last Page Update: 30/03/2015

© Sembee Ltd. 1998 - 2016.

Reproduction of any content on this web site is prohibited without express written consent. Use of this web site is subject to our terms and conditions.

All trademarks and registered trademarks are property of their respective owners. This site is not endorsed or recommended by any company or organisation mentioned within and is to provide guidance only and as such we cannot be held responsible for any consequences of following the advice given.

Sembee Ltd. is registered in England and Wales at 1 Carnegie Road, Newbury, Berkshire, RG14 5DJ.
Registered company number: 4704428. VAT Number GB 904 5603 43.

Server 1