Windows 10: Windows 10 update install error 0x80070643

Hi all.


I've been trying to fix this error for weeks now with no success and it starting to s@#$ me, as I can not install other software or updates. Before I go and do a clean install I thought I may as well ask for some help first. Update looks like it is KB4023814

:)

 

Unable install update in windows 10 Error 0x80070643

Hi David,

Thank you for your interest in Windows 10.

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 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.

Hope the information helps. Feel free to reply to us for further assistance and we’ll be more than happy to help.

 

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

 

Win 10 update failed to install error 0x80070643

Hi,

The error code 0x80070643 is commonly caused by .Net Framework installed on the computer. We suggest addressing the 0x80070002 error code first because this issue occurs when some files in the Windows Update are missing. We can solve this error code by following
the troubleshooting steps suggested on this article.

Note: The troubleshooting steps for Windows 8.1 also applies to Windows 10.

Update us with the outcome so we can provide further assistance.