installation of Windows 20H2 has failed 0x80004005  

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  1. Posts : 23
    Thread Starter

    Hi, Tekkie Boy,
    Whichever is convenient, Update or new installation. But if I use the old disk for reinstallation, the problem will remain, won't it, because it was the source of the problem to begin with? Where can I get my hand on the 21H1 version? What is the zBook?
      My Computer

  2. Posts : 850
    Win 10

    I mean User @zbook

    You can use your existing hard drive.

    The boot configuration data can be repaired.

    Follow the instructions from user zBook and create the log files, that is the best for now.

    You can download a 21h1 ISO from there: UUP dump or from there: Download Windows 10 Insider Preview ISO (

    installation of Windows 20H2 has failed 0x80004005-screenshot-2021-03-15-141953.png

    How to download an ISO with the help of the UUP website, I have described there:

    Where to download an old version of windows 10? - Windows 10 Forums (
      My Computer


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