Windows 10: "Install error - 0x80070643"

The updates doesn't install, it just gives me an error "Install error - 0x80070643". The troubleshooter didn't fix the problem. Anyway to fix this problem?


PC Specs:

Windows 10 Version 1803 Build 17134.345

Intel®️ HD Graphics 4GB RAM

Intel®️ Celeron®️ Quad Core Processor N3450

500GB HDD

64-bit PC, 64-bit Processor



:)

 

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

 

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 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.