How to Fix Windows Update Error 0x80070643

Jun. 14, 2024



Microsoft Windows and error codes are a never-ending affair. If you’re a long-time user of the operating system, you may have encountered a few errors in your lifetime. However, one of the advantages of using an extremely popular operating system is that many other users may have already found fixes to a particular problem, which brings us to a common error code 0x80070643 that usually occurs when updating Windows. Here’s how to fix error 0x80070643.

Method 1: Restart Your Computer

Method 1: Restart Your Computer

This issue may occur because of a Windows update, and it prevents you from installing a new update. So, you might want to check if a quick restart will fix the issue. The error code 0x80070643 is considered a “fatal error” but restarting your PC could solve the issue.

To restart your Windows PC, go toStart>Power button>Restart. Finally, go to Windows Update and try updating your PC. This should hopefully fix the issue.

The .NET framework allows you to run apps and services on Windows. One of the reasons for the occurrence of error 0x80070643 is if .NET is corrupt. You could troubleshoot to make it run again, but we recommend installing the latest .NET version. To do so:

The method involves resizing your Make sure to follow each step carefully.

Shrinking OS Partition and Deleting Recovery

Merging and Creating a New Partition

If none of the above methods worked for you, there’s sadly no other choice than reinstalling Windows without losing data. We have adetailed guideon how to do just that; TL;DR, you can do it using built-in Windows options or the Windows Media Creation tool without losing your data.

This should hopefully fix the error 0x80070643 on Windows. What are your thoughts on Windows? How often do you face difficulties using the operating system? Let us know in the comments.