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I was casually using my device. I opened Windows Update and saw this:

Screenshot of Windows Update

This was the error shown to me:

There were some problems installing updates, but we'll try again later. If you keep seeing this and want to search the web or contact support for information, this may help: (0x80070643)

I checked the update history and noticed this:

Screenshot of update history

The two updates were not able to be installed and I guess that is the cause of the error.

How do I fix the Windows Update error?

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  • I am facing exactly the same problem with the .Net updates (still unsolved). In my opinion this is a problem with the download server because if I search for the failed updates and download them manually using Edge browser Edge also shows an error after Download but in difference to Windows update Edge allows to ignore this error and start the installer. Unfortunately manually installing the updates had no effect or may be I downloaded the wrong variant.
    – Robert
    Commented Nov 6, 2021 at 20:58

2 Answers 2

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How do I fix the Windows Update error?

First:

Run the Windows 10 Update Troubleshooter

Windows 10 update troubleshooter

From an Admin Command Prompt:

net stop bits

net stop wuauserv

net stop cryptsvc

ren %systemroot%\softwaredistribution softwaredistribution.bak

ren %systemroot%\system32\catroot2 catroot2.bak

net start bits

Restart and test updates

Also temporarily remove third party anti virus software

Restart and test updates.

These are the main points. There are more tests including hardware tests in the article.

But start as above and see if the Update function returns

Next:

If these steps do not work, it might be best to run a Windows 10 Repair Install.

https://www.microsoft.com/en-us/software-download/windows10

Windows 10 is running, so click on the Download button (not Upgrade Button) and select Run.

This will launch the Repair and proceed normally.

Start with the option to keep everything.

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  • I ran ren %systemroot%\system32\catroot2 catroot2.bak and got Access is denied.
    – Random Person
    Commented Nov 6, 2021 at 18:20
  • I did run from an admin command prompt.
    – Random Person
    Commented Nov 6, 2021 at 18:29
  • You need to be sure you used an Admin Command Prompt. I assume you did. The next step is a Windows 10 Repair Install and Keep Everything. I added this to my post
    – anon
    Commented Nov 6, 2021 at 18:29
  • Also click on the article and review all the steps to be sure you got them all.
    – anon
    Commented Nov 6, 2021 at 19:29
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    Are you just repeating standard kitchen sink advice here, or do you have some evidence that this will help?
    – O'Rooney
    Commented Jan 7, 2022 at 2:51
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I tried fixing the error by following few of these steps https://superuser.com/revisions/1685960/4, but I failed.

Finally, I lost hopes and forgot about this issue. I guess I used this approach: if it ain't broke, don't fix it.

After a couple of days, the issue resolved on its own :)

Screenshot of Windows Update

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