Windows 11 Update Error 0x800f0806 - 3 Easy Ways to Fix

The next significant update for Windows 11 is here, and it will include a slew of new features aimed at increasing your productivity.

Microsoft's free Windows 11 upgrade, known as 22H2 (also known as Sun Valley 2), includes time-saving menu adjustments in addition to more significant improvements like new tablet swipe motions, an enhanced taskbar, and configurable wallpaper stickers.

It is being rolled out gradually since 20 September.

However, if you are trying to update your windows version, you might encounter a known error - Download error – 0x800f0806.

In this guide, we will look at a couple of ways with which you can fix this download error in the Windows 11 KB5017321 update.

Method 1: Manually Download 22H2 From Microsoft Update Catalog

One way to fix this error is to manually download the update from the Microsoft Update Catalog.

  • First, search for KB5017321 in the search bar
  • Manually download the update from the catalog
  • Restart your computer

This should get rid of the error! Once you've installed the update manually, windows might try and redownload and install the same update - it should complete this time.

Method 2: Use the Windows Installation Assistant

You can download the Windows installation assistant to manually install the upgrade to your system from their official website. You will have to download the installation, run the .exe executable file and proceed with the confirmation.

Method 3: Run the Windows Update Troubleshooter

A bunch of different troubleshooters are included with Windows and can assist you in resolving practically all problems that frequently arise on the operating system. A troubleshooter is available for Windows updates as well. You can access this in your PC's Settings.

To run the windows troubleshooter, you can:

  • Use the Win+I keyboard shortcut to launch the Settings application.
  • In the system menu, you will find a tab called Troubleshoot. Click on this.
  • From here, select Other troubleshooters. One of the troubleshooting options you will see here will be Windows Update. Click the run button next to it and follow the on-screen tutorial. This should help fix the 0x800f0806 error.

Microsoft is slowly rolling out this new update - even though a fix has not been released yet for this update, it is expected that they should be able to resolve the issue soon. Until then, you can use one of the 3 easy methods outlined above to fix the 0x800f0806 error and enjoy your new Windows 11 update in no time.