Use DISM to fix issues SFC can't

Discussion in 'Guides' started by RGiskardR, Mar 16, 2018.

  1. RGiskardR

    RGiskardR Malware Tester Silver Member

    A common suggestion on Windows support forums is to scan the system for file integrity issues using the command sfc /scannow which you may run on the active system but also on external drives.

    SFC, which stands for System File Scan, is a built-in administrative tool to verify the integrity of operating system files and to repair files that are corrupt, damaged or changed.

    SFC scans have three possible outcomes:

    1. The scan did not find any issues.
    2. The scan did find issues and fixed them.
    3. The scan did find issues and couldn't repair them (Windows Resource Protection found corrupt files but was unable to fix some of them).
    Note: It is recommended that you do a full backup of the Windows system partition before you run DISM. Use free backup solutions such as Macrium Reflect, Veeam Endpoint Backup, or other backup tools.
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    revC0de, Trim, jasonX and 1 other person like this.
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  3. revC0de

    revC0de MTAC Moderator Staff Member

    Thanks for posting that ;)

    Yes, one of the most useful commands in case of problems is sfc scannow (if/when it works).
    The true command is sfc while scannow is a switch, an option, which allows you to ask Windows to detect and replace any corrupted files on the system in use.
    RGiskardR, silversurfer and Trim like this.

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