Have a problem with fixing my Windows 11 Insider Preview Feature Update (26220.9223)

Hi Bethwel Bett,

From your description, I can get that you are having trouble with Build 26220.9223 on Windows 11 (Insider Preview Feature Update). However, since the post does not include the error code or what exactly happens, there is unfortunately not enough information yet for me to identify the cause and give suitable suggestions. Please provide:

• The error code / message you're seeing, for example 0xC1900101 or 0x800f...
• Was the build installed successfully but it's introducing an issue? Or it's the update stage?
• If it's the latter, what actually happened? Failed while downloading/installing, got stuck, rolled back, etc.?

Build 26220.9223 is the newest release in Beta Channel, and due to the experimental nature of Insider program, sometimes regressions can happen. So as I wait for more details on this, you can check out some general troubleshooting steps that can be applied to common issues with Insider builds here:

1. Go to Settings > Windows Update > frequently Check for updates in case a new build is offered.
2. If the build is downloaded, also in Windows Update > Update history > Uninstall update:
   1. If you see the Build 26220.9223 there, select Uninstall > restart your PC and test.
   2. If the issue is gone, open Feedback Hub (press Win + F) > report the details.
   3. If the issue persists, the issue might not relate to Build 26220.9223.

If you're having trouble downloading the build, or the system is not working correctly after updating, you can also perform a Windows reinstallation (keeping files and apps). I recommend that you provide me the details above first and then we can decide if this is needed. But if you're in a hurry, follow the steps below:

• Use built-in repair option 
  • Open Settings > System > Recovery > Fix problems using Windows Update 
  • Click Reinstall now > follow the onscreen instructions to reinstall Windows. 
• Insider in-place upgrade 
  • Refer to Using ISOs - Windows Insider Program | Microsoft Learn 
  • Download your chosen ISO directly or create a bootable USB. 
  • Mount the ISO > run setup.exe file to launch the install process. 
  • Select Keep Windows settings, personal files, and apps option. 

Disclaimer: Both Windows reinstallation and in-place upgrade will refresh your Windows files and operating system without removing files or applications. That being said, we always recommend that if you have important data, you should back it up first before making large system changes.

Overall, if you believe the issue is specific to the Build 26220.9223, the best path is to report it via Feedback Hub. If you're not sure, more details would be helpful. Once you provide the error code and where the installation fails, we can narrow this down considerably rather than applying generic Windows Update fixes.

If you think the answer is helpful to you, please mark this as accepted. If you have extra questions about this answer, feel free to click "Add Comment" and ask! 

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