Windows update error 0x80073701 and .Net Framework broken

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  1. Posts : 1,867
    Windows 10 Pro 2004 20H1

    Looks like you got the ISO from Heidoc?

    I would try the one using Rufus.

    Rufus - The Official Website (Download, New Releases)

    To download an ISO in Rufus, click the drop down arrow next to the Select button, and select Download. Then, when Download replaces Select on the button, click on it to start.

    A white dialog box will display, and you can select the version, language, and "bitness" (32 or 64-bit) of the ISO you want.
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  2. Posts : 27,447
    Windows 10 Pro x64 Version 21H1

    Think I might try Windows Update reset.

    Reset Windows Update in Windows 10
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  3. Posts : 27,447
    Windows 10 Pro x64 Version 21H1

    If you go to windows update and view update history have any been install successfully? (Since the time you installed original windows)
    Last edited by Caledon Ken; 06 Jul 2020 at 11:17.
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  4. Posts : 1,867
    Windows 10 Pro 2004 20H1

    Post #6 doesn't sound like a Windows Update problem.

    Looks like the OP tried the basic steps to reset Windows Update in post #1.
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  5. Posts : 27,447
    Windows 10 Pro x64 Version 21H1

    Yes but thinking Shawn's reset is more complete.

    Interesting that inplace repair / upgrade, whether created with Media Creation tool or from ISO does not work.
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  6. Posts : 27,447
    Windows 10 Pro x64 Version 21H1

    Went back and reviewed.

    You posted a log from

    dism /online /cleanup-image /restorehealth

    and it failed on several "Source files could not be found"

    Now that you have the 1903 ISO you should be able to do step 6 in this tutorial using that ISO as the source to get those files.

    Use DISM to Repair Windows 10 Image

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  7. Posts : 1,867
    Windows 10 Pro 2004 20H1

    I revisited this -

    BMatrix said:
    Alright, I tried to follow the guide but running the Windows installer gave me the same error as I had before ("Sorry, we're having trouble determining if your PC can run Windows 10. Please close the Setup and try again")
    This error can be caused by a few things, including -

    1. Not enough free disk space.

    2. Drive that Windows is installed on (normally the C drive) is not the Active partition.

    3. Other connected drives.


    Go to Disk Management (Windows key + R, enter diskmgmt.msc) and post a screen shot.
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  8. Posts : 11
    Windows 10
    Thread Starter

    Thanks for all the replies guys!

    I tried the iso downloaded by Rufus but it still gave the same result.

    I ran the Windows Update Reset script without errors. After a reboot and trying a Windows update it still gives error 0x80073701.

    I'll include a screenshot of the update history page.

    Dism /Online /Cleanup-Image /RestoreHealth /Source:wim:E:\sources\install.wim:4
    The restore operation completed successfully.
    The operation completed successfully.
    Still get error 0x80073701.

    Some context for the screenshot of Disk Management.
    Disk 0 is my SSD and disk 1 and 2 are HDDs.
    I wanted to install Linux on the space that is still unallocated on disk 0 and use disk 1 as extra storage for it. I just didn't get around to that yet.
    Should I try disconnecting disk 1 and extend the Windows partition?
    Attached Thumbnails Attached Thumbnails Windows update error 0x80073701 and .Net Framework broken-updatehistory.png   Windows update error 0x80073701 and .Net Framework broken-diskmanagement.png  
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  9. Posts : 1,867
    Windows 10 Pro 2004 20H1

    I would leave Disk 1 as is, and give Disk 0 more allocated space.

    8.59 GB is not enough to install Windows 10.

    64-bit requires 20 GB minimum to install.

    So that's why the installer was choking when you tried to do a repair install using the ISO.

    I would double that to 40 GB.

    You might also run Disk Cleanup on that drive as well.
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  10. Posts : 27,447
    Windows 10 Pro x64 Version 21H1

    Nice catch OldNavyGuy
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