SFC /scannow returns an error and won't start

Discussion in 'Operating Systems' started by AsiJu, Jul 9, 2020.

  1. AsiJu

    AsiJu Ancient Guru

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    Hi,

    never had this before but currently getting this error:

    sfc_error.png
    I already verified Windows Modules Installer service is enabled as this was given as a solution but didn't help.

    Any ideas? Thanks.
     
  2. mbk1969

    mbk1969 Ancient Guru

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    Spy after the OS with the help of ProcMon.exe (file system, registry and processes). But the task is overwhelming.

    Have you tried DISM commands?
     
  3. Astyanax

    Astyanax Ancient Guru

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  4. AsiJu

    AsiJu Ancient Guru

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    No I haven't, just tried running SFC as there was a power outage mid gaming.

    Plus I'm not very familiar with DISM commands.

    Possibly, I haven't clean installed in a while.
     

  5. mbk1969

    mbk1969 Ancient Guru

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    1. Scan the image to check for corruption. This operation will take several minutes. At a command prompt, type the following command:
      Dism /Online /Cleanup-Image /ScanHealth

    2. Check the image to see whether any corruption has been detected. At a command prompt, type:
      Dism /Online /Cleanup-Image /CheckHealth
      When you use the /CheckHealth argument, the DISM tool will report whether the image is healthy, repairable, or non-repairable. If the image is non-repairable, you should discard the image and start again. If the image is repairable, you can use the /RestoreHealth argument to repair the image.

    3. To repair an online image type:
      Dism /Online /Cleanup-Image /RestoreHealth
     
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  6. Astyanax

    Astyanax Ancient Guru

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    you can just skip to 3 as it performs both.
     
  7. mbk1969

    mbk1969 Ancient Guru

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  8. AsiJu

    AsiJu Ancient Guru

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    Thanks!

    What's the practical difference between ScanHealth and CheckHealth?
    Should Scan be ran first always?
     
  9. Astyanax

    Astyanax Ancient Guru

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    Checkhealth reviews already existing dism logs for issues iirc, its a couple of seconds in comparison to scanhealth doing a deep check of payload files and the hash of the dll specified in the manifest.
     
  10. AsiJu

    AsiJu Ancient Guru

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    Okay looks like my Windows install is borked:

    dism_failure.png
     

  11. AsiJu

    AsiJu Ancient Guru

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    Clean installed 2004 and immediately noticed system boots up faster.

    Sure nothing installed yet except drivers but I didn't have anything that would run at startup before.
    (Actually had even disabled a bunch of usually autorunning services like Xbox services).

    Not a surprise though, I've done at least 3 feature / build upgrades and one disk cloning after last clean install so it was due.
     

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