How to Fix 0x800f0806 on Windows 11?

Wondering How to Fix 0x800f0806 on PC running on Windows 11 OS, Fix KB5017321 or KB5017026 updates not installing or downloaded on Windows PC, 2022-09 Cumulative Update for Windows 11 for x64-based Systems (KB5017321 or KB5017326) is available

Windows 11 is the latest major release of Microsoft’s Windows Operating System that was released back in the year 2021.

Windows releases updates from time to time to fix issues/bugs/glitches and to improve the quality of its operating system. However, some users are getting “Download error – 0x800f0806” while updating Windows 11 on their system. Hopefully, the problem is resolvable.

So, if you are one of those who are facing the same problem while updating, you just need to read the article till the end as we have listed the steps to fix it.

How to Fix 0x800f0806 on Windows 11?

There can be various reasons why you are getting the error while updating your PC running on Windows 11. In this article, we have added some best to fix the 0x800f0806 error on Windows 11.

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Restart Your System

Restarting a system fixes most of the problems a user faced on their PCs as it resets all the temporary and background processes. Here’s how you can restart your computer.

  • Click the Windows key on your PC’s keyboard.
  • Tap on the Power icon placed at the bottom of the window.
  • Select Restart to reboot your system.

Run Update Troubleshooter

  • Click on the Windows Key.
  • Open the Settings by tapping on the gear icon.
  • Tap on System in the left sidebar under Settings then select Troubleshoot.
  • Click on Other Troubleshooters and click on Run next to the Windows Update.
  • Once done, restart your PC and your issue should be fixed.

Restart Windows Update & Background Intelligent Transfer Service

  • Tap the Windows key on your keyboard.
  • Type Services in the search box and click on Services to open it.
  • Click on Windows Update and click on the drop-down next to Startup Type then select Automatic and apply the changes then tap OK.
  • Now, you will land on the Services page. Here, the Windows Update will be selected, tap on Restart the Service in the left sidebar.
  • Once done, click on Background Intelligent Transfer Service and tap on the drop-down next to Startup Type and select Automatic and apply the changes then tap OK.
  • Click on Restart the Service in the left sidebar for Background Intelligent Transfer Service.

Run SFC and DISM Scans

  • Tap on the Windows key on your keyboard.
  • Search for cmd in the search box and click on Run as administrator under the Command Prompt then tap on Yes.
  • Type sfc /scannow and hit enter. It will run an SFC scan which finds missing or corrupted system files and resolves them on their own.
  • Once the scan completes, type Dism /Online /Cleanup-Image /RestoreHealth and hit enter.
  • Once done, your issue should be fixed.

Use Windows 11 Installation Assistant

  • Open a browser on your PC and head over to microsoft.com/en-us/software-download/windows11
  • Click on Download Now button below the Windows 11 Installation Assistant.
  • After downloading it successfully, open the exe file and click on Yes.
  • Tap on Accept and Install.

Use Microsoft Update Catalog

  • Open a browser and visit catalog.update.microsoft.com/Home.aspx
  • Search for KB5017321 in the search box then tap on the Search button.
  • Click on the Download button next to the update.
  • Tap on the Hyperlink to start the download.
  • Once downloaded, open the file and install it.
  • Finally, restart your system and your issue should be fixed.

Reset Windows Update Components

  • Open the Notepad app on your Windows 11 PC.
  • Paste the following commands into the app:

SC config trustedinstaller start=auto
net stop bits
net stop wuauserv
net stop msiserver
net stop cryptsvc
net stop appidsvc
Ren %Systemroot%\SoftwareDistribution SoftwareDistribution.old
Ren %Systemroot%\System32\catroot2 catroot2.old
regsvr32.exe /s atl.dll
regsvr32.exe /s urlmon.dll
regsvr32.exe /s mshtml.dll
netsh winsock reset
netsh winsock reset proxy
rundll32.exe pnpclean.dll,RunDLL_PnpClean /DRIVERS /MAXCLEAN
dism /Online /Cleanup-image /ScanHealth
dism /Online /Cleanup-image /CheckHealth
dism /Online /Cleanup-image /RestoreHealth
dism /Online /Cleanup-image /StartComponentCleanup
Sfc /ScanNow
net start bits
net start wuauserv
net start msiserver
net start cryptsvc
net start appidsvc

  • Click on the File at the top and tap on Save As.
  • Set the Save Location to Desktop, File Name to Wufix.bat, and Save as type to All Files.
  • Finally, click on the Save button.
  • Once saved, go to the desktop, right-click on the file, and tap on Run as an administrator.
  • Click on Yes and wait for a few minutes.
  • Once done, restart your system and your issue should be fixed.

Use Media Creation Tool

  • Open a browser on your PC and visit microsoft.com/en-us/software-download/windows11
  • Click on Download File under Create Windows 11 Installation Media.
  • Once downloaded, open the file and tap on Yes.
  • Click on Accept then click on Next.
  • Select ISO File and tap on Next.
  • Set the file location to Desktop and click on Save.
  • Go to the desktop, and double-click on the Windows ISO file to open it.
  • Double-click on the Setup file then tap on Yes to run it.
  • Click on Next and finally, click on Install.

Conclusion: Fix 0x800f0806 on Windows 11

So, these are the ways by which you can fix “Download Error – 0x800f0806” for KB5017321 or KB5017326 updates on a PC running on Windows 11. If you find this article helped, share it with your friends and family.

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