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How to Fix 0x800f0806 on Windows 11

Are you getting the 0x800f0806 download error while updating Windows 11?

Windows released the update on 09/20/2022 also known as 22H2 update.

The update includes smaller and faster installation of updates by approximately 450MB.

The download and installation time of the monthly cumulative update has also been decreased.

Additionally, the update contains carbon awareness where Windows will schedule updates at specific times of the day,

A known issue in the update is the “Download error – 0x800f0806”.

In this guide, you’ll learn how to fix the 0x800f0806 download error for the Windows 11 update.

Fix 1: Run the Update Troubleshooter

  1. Open the Windows start menu > Settings.
  2. System > Troubleshoot > Other troubleshooters.
  3. Windows Update > Run > Restart your PC.

Fix 2: Restart Windows Update and background intelligent transfer service

How to Fix 0x800f0806 on Windows 11
  1. Windows search > Services.
  2. Windows update > Startup type > Automatic > Apply > OK.
  3. Select “Restart the service” for “Windows Update”.
  4. Background intelligent transfer service > Startup type > Automatic > Apply > OK.
  5. Select “Restart the service” for “Background intelligent transfer service”.
  6. Restart your PC.

Fix 3: Use Windows 11 Installation Assistant

  1. Go to https://www.microsoft.com/en-us/software-download/windows11.
  2. Click on “Download Now”.
  3. Run the .exe file > Accept and install.

Fix 4: Use Microsoft Update Catalog

  1. Go to https://www.catalog.update.microsoft.com/Home.aspx.
  2. Search for KB5017321.
  3. Download the Windows 11 KB5017321 update.
  4. Restart your PC.

Fix 5: Reset Windows Update components

Copy these and paste them into the Notepad 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

Save the file as “Wufix.bat” > set the location as desktop > All Files > Save.

Run the file as an administrator to restart all the Windows update services and restart your PC.

Fix 6: Use the Media Creation Tool

  1. Go to https://www.microsoft.com/en-us/software-download/windows11.
  2. Click on “Download Now”.
  3. Follow the on-screen instructions.
  4. Open the downloaded file.
  5. Run the setup file.
  6. Follow the on-screen instructions and complete the installation process.

Further reading

How to Fix KB5017321 or KB5017026 Update Not Installing on Windows 11

How to Fix KB5017328 Update Not Installing on Windows 11

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About the author

Lim How Wei

Lim How Wei is the founder of followchain.org, with 8+ years of experience in Social Media Marketing and 4+ years of experience as an active investor in stocks and cryptocurrencies. He has researched, tested, and written hundreds of articles ranging from social media platforms to messaging apps.

Lim has been quoted and referenced by major publications and media companies like WikiHow, Fast Company, HuffPost, Vice, New York Post, The Conversation, and many others. One of his articles about the gig economy was quoted by Joe Rogan who hosts The Joe Rogan Experience (arguably the most popular podcast in the world), in the This Past Weekend podcast by Theo Von.

In his free time, Lim plays multiple games like Tower of Fantasy, League of Legends, Counter-Strike, Hearthstone, RuneScape, and many others. He creates guides, walkthroughs, solutions, and more on games that he plays to help other players with their progression.