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How To Perform SFC Scannow?

How to perform SFC Scannow Microsoft Live Assist
SFC scan

SFC SCANNOW Command Scans integrity of all protected system files in computer and replaces incorrect versions of correct Microsoft versions.

To perform this scan process is one should have administrator rights on the command prompt and which can be opened as an administrator by right clicking on it.

How to open command prompt as an administrator in Windows 8 or 8.1:

  • Windows 7 users can click on Start and type command on search option which are in command prompt.
  • Then Click Right Click on command prompt.
  • Then run as an administrator.

Step 2: Type the command SFC SCANNNOW in command line, and hit <enter>

sfc scannow:

A system file scan can it also can be executed on Windows 10. The procedure to access the command prompt as an administrator it remains same as same Windows 8 or 8.1.

There are noted and results by executing the system file checker. The process which is auto fixes, in most of the cases due to all temporary issues. If you find any of your applications misbehavior but this scan procedure is much useful.

In case of any corrupted system files found after the scan is completed. There is a need to repair Windows operating system. There are some advanced procedures for latest operating systems like 8 or 10.

DISM Online checkup will gives an accustomed to fix the issues due to the corrupted files. There are different ways to fix because using Windows repair disks or there are should be availability of a known good at restore point.

The following syntax is giving you for command and it is the following ways.


Microsoft Windows [Version 6.3.9600]
(c) 2013 Microsoft Corporation. All rights reserved.


[/OFFWINDIR=<offline windows directory> /OFFBOOTDIR=<offline boot directory>

/SCANNOW Scans integrity of all protected system files and repairs files
solve problems.

/VERIFYONLY Scans integrity of all protected system files, no repair operation is perform well and good.

/SCANFILE Scans integrity of the referenced file, and repairs file if there is any problems identify. Specify full path <file>

/VERIFYFILE Verifies the integrity of the file with full path <file>. No repair operation is perform.

/OFFBOOTDIR for offline repairs specify the location of boot directory.

/OFFWINDIR for offline repairs specify the location of windows directory


First: sfc /SCANNOW

Second: sfc /VERIFYFILE=c:\windows\system32\kernel32.dll

Third: sfc /SCANFILE=d:\windows\system32\kernel32.dll /OFFBOOTDIR=d:\

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