Fix: Windows 11 Update (KB5039302) Not Installing

Fix

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by Radu Tyrsina 

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💡 Can’t install the 2025-06 update (KB5039302) on Windows 11? Here’s a quick fix to help you resolve the issue.

To fix the Windows 11 June 2025 cumulative update (KB5039302) installation error:

  1. Run the Update Troubleshooter
    Go to Settings > Troubleshoot > Other troubleshooters > Windows Update > Run.
  2. Clear the Windows Update cache
    Open Command Prompt as admin and run:
bashCopyEditnet stop wuauserv  
net stop bits  
del /f /s /q %windir%\SoftwareDistribution\*  
net start wuauserv  
net start bits
  1. Manually install KB5039302
    Download the update from the Microsoft Update Catalog.
  2. Uninstall .NET preview updates (if any)
    Go to Settings > Update History > Uninstall Updates.
  3. Extend the System Reserved Partition
    Use a tool like MiniTool Partition Wizard to increase partition size if error 0x800f0922 appears.

✅ These steps resolve most cases where the June 2025 update won’t install on Windows 11.

Radu Tyrsina

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Radu Tyrsina has been a Windows fan ever since he got his first PC, a Pentium III (a monster at that time). For most of the kids of his age, the Internet was an amazing way to play and communicate with others, but he was deeply impressed by the flow of information and how easily you can find anything on the web. Prior to founding Windows Report, this particular curiosity about digital content enabled him to grow a number of sites that helped hundreds of millions reach faster the answer they're looking for.

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