Windows Update, error 0x800700c1 and 0x80070643

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  1. Posts : 27,452
    Windows 10 Pro x64 Version 21H1
       #21

    Well what ever hit your system, the thing that Malwarebytes removed, hit it pretty hard.

    Inplace repair and DISM both fail.

    You could try this removal tool for Malwarebytes.

    https://support.malwarebytes.com/docs/DOC-2332


    Likely the fastest way back to health is a clean install. You already have the media. You would need a data backup.

    Maybe another member will have a better idea.

    I know clean installs are not desirable.

    Could start a thread with your DISM error to draw out new ideas. When I referenced the error re-installing was the outcome on two threads.
      My Computer


  2. Posts : 10
    Windows 10 1803
    Thread Starter
       #22

    So you suggest to perform a clean install?
      My Computer


  3. Posts : 27,452
    Windows 10 Pro x64 Version 21H1
       #23

    I would run the Malwarebytes removal first just to see if Defender restarts. If it restarts that would be progress and I would retry the inplace repair.

    Failing that then yes I would recommend a clean install. Data backed up first.


    Going forward might I recommend you look at a tool like Macrium Reflect. Assuming you do a clean install you could capture an Image that you could use at a later date should your system need a complete rebuild. Numerous members Image their system on a regular basis allowing them to quickly restore to a point in time where their system was working. I image my system every month and before any major change.

    Backup and Restore with Macrium Reflect

    The software is free and reliable.
      My Computer


 

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