Windows 10: Windows update error 0x80070643

Discus and support Windows update error 0x80070643 in Windows 10 Installation and Upgrade to solve the problem; Hello everyone, I'm currently using Windows 10 Home version 1803 and when I try to update it, I'll get error 0x80070643. I don't know what to do, I... Discussion in 'Windows 10 Installation and Upgrade' started by Bystrík Královič, Sep 28, 2019.

  1. Windows update error 0x80070643


    Hello everyone,


    I'm currently using Windows 10 Home version 1803 and when I try to update it, I'll get error 0x80070643. I don't know what to do, I already tried:


    1. Installing the latest .NET Framework


    2. Run multiple times an SFC scan on your computer (Once SFC scan found corrupted files that fixed, but a lot of them were still corrupted, I ran SFC scan today, and none files were corrupted. Don't know what to think about it...)


    3. Install the updates manually


    4. Update Windows Defender Antivirus manually


    5. Disable my antivirus


    6. Troubleshooter


    7. Resetting the update components and then trying to run them again


    8. Renaming the SoftwareDistribution folder


    9. Deleting WindowsUpdate in regedit


    And a lot of other things, none of that worked. I'm really desperate, trying to fix this for a long period of time, and I don't want to do a factory reset or repair. Any advice?


    Thanks!

    :)
     
    Bystrík Královič, Sep 28, 2019
    #1

  2. error 0x80070643 (update)

    Hey

    Try to apply the update manually Windows update error 0x80070643 ;) As suggested by Microsoft. I just wrote a
    step by step guide.


    However be sure that the update itself is downloaded and that the installation part is failing, and not the downloading part.

    Hope it helps you Windows update error 0x80070643 :)
     
    Yuri Pustjens, Sep 28, 2019
    #2
  3. Smeed Win User
  4. Windows update error 0x80070643

    • Update for Windows 10 for x64-based Systems (KB3081704) - Error 0x80070643

    Hi Richard,

    Thank you for your interest in Windows 10.

    I can understand how frustrating it can be when things don’t work as expected. I'd be glad to assist you with this issue.

    Please provide us certain information to narrow down the issue:

    • What is the make and model of your computer?
    • Which security program is installed on your computer?
    I would also suggest you to follow the steps from the article below and check if it helps.

    .NET Framework update installation error: "0x80070643" or "0x643"

    https://support.microsoft.com/kb/976982

    Note: The troubleshooting steps in the above links are meant for windows 8, however, you can use the same for windows 10 as well.

    For reference: Installation error 0x80070643 or 0x800706d9

    http://windows.microsoft.com/en-US/...0070643-or-0x800706d9-enable-windows-firewall

    Hope this helps. Post back with result so that we can assist you further.
     
    Sangeeta Sarkar, Sep 28, 2019
    #4
Thema:

Windows update error 0x80070643

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