Windows 10: this may help: 0x80070643.how to resolve this error.

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

:)

 

error 0x80070643 (update)

Hey

Try to apply the update manually 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

 

Error Installing WindowsUpdate KB4048955 for W10 V.1709 amd64 based systems - 0x80070643

Hi Mitchel,

You may get the error code 0x80070643 if the MSI software update registration has become corrupted, or if the .NET Framework installation on the computer has become corrupted. To help you
on this, we suggest that you run the Windows Update Troubleshooter first then check if it helps to resolve the issue.

If the issue still persists, kindly follow the steps provided on this
link. Note that the troubleshooting steps listed in the article should be performed in the order they are listed.

Feel free to post back for an update and let us know if you need more help.

 

• 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"

Troubleshoot problems updating Windows - Microsoft Support

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.