update to windows 11 25H2 fails - install error 0x8007042b

Greetings!

I'm Christine, I'll be happy to assist you. Sorry to hear that you're getting error when installing Windows updates. This error usually means that the file needed is damaged or corrupted. No worries, I'll do my best to help you.

Have you tried to run the Troubleshooter already?

Please follow the steps below:

1. Windows Update Troubleshooter

Windows 11

Please Click Start menu and type Troubleshoot

Hit Other troubleshooters

And select Windows Update

Finally, Run the troubleshooter

Please check if the issue persists

2. Please click Start menu and type CMD, right click on it and choose Run as Admin, please paste the command below and hit enter.

DISM.exe /Online /Cleanup-image /Scanhealth

DISM.exe /Online /Cleanup-image /Restorehealth

Please wait for it to finish and repair the system files.

Once done, please paste the command below and hit enter.

sfc /scannow

Please wait to finish.

Check if the issue persists.

3. Reset Windows update services:

Please click start menu and type cmd, right click on it and choose run with admin

Kindly copy and paste the command lines below and hit enter:

net stop wuauserv

net stop cryptSvc

net stop bits

net stop msiserver

Ren C:\Windows\SoftwareDistribution SoftwareDistribution.old

Ren C:\Windows\System32\catroot2 Catroot2.old

net start wuauserv

net start cryptSvc

net start bits

net start msiserver

Please check if the issue persists.

4. Please try to perform an in place upgrade. In place upgrade will install the new features or updates of Windows it will also fix corrupted system files. Kindly check the steps below:

Video on how to perform in place upgrade:

https://www.youtube.com/watch?v=CAOwN68AInE&feature=youtu.be

Please go to https://www.microsoft.com/en-us/software-download/windows11

Look for Download Windows 11 Disk Image and select Windows 11 (multi-edition ISO)

• Once you're able to download the ISO, please right click and open it
• Please look setup.exe and run it
• Select yes if you will will be asked for User Control
• Choose Next to Continue
• Please read the License Agreement and once done, hit Accept
• Please wait until the setup program is done and it will check if your device space is enough for the update
• You will see the Ready to install page, please ensure that the Keep personal files and apps has been checked.
• Lastly, click INSTALL and follow the prompt.
• It will restart your device several times, please wait for it to finish.

This may take sometime depends on your connection or the performance of your device.

Please let me know the result. I'll be happy to assist you all the way until it's resolved.

Thank you,

Christine L

Independent Advisor

Standard Disclaimer: Youtube.com link is a non-Microsoft website. The pages appear to be providing accurate, safe information. Watch out for ads on the sites that may advertise products frequently classified as PUP (Potentially Unwanted Products). Thoroughly research any product advertised on the sites before you decide to download and install it.

removed - redacted ... incorrect resolution

It seems my update loop was caused by a faulted windows update.

I've come to expect my issues ...

windows update keeps reinstalling Win 11 25H2

and failing to complete feature update procedure.

will be solved by KB5072753.

sources:

Https://www.pcworld.com/article/2985852/microsoft-rolls-out-emergency-fix-for-windows-update-issues.html

https://windowsforum.com/threads/windows-11-hotpatch-reinstall-loop-fixed-by-out-of-band-kb5072753-nov-2025.390949/

removed redacted

The error code 0x8007042b typically indicates an issue with the Windows Update process. Here are some steps you can take to troubleshoot and potentially resolve this issue:

1. Run the Windows Update Troubleshooter:
   • Go to Settings > Update & Security > Troubleshoot > Additional troubleshooters.
   • Select Windows Update and run the troubleshooter.
2. Check for Pending Updates:
   • Sometimes, pending updates can cause issues. Go to Settings > Update & Security > Windows Update and check for updates.
3. Reset Windows Update Components:
   • Open Command Prompt as an administrator and run the following commands one by one:

          net stop wuauserv
          net stop cryptSvc
          net stop bits
          net stop msiserver
          net start wuauserv
          net start cryptSvc
          net start bits
          net start msiserver
     

4. Perform a Clean Boot:
   • This can help eliminate software conflicts. Search for "msconfig" in the start menu, open System Configuration, and under the Services tab, check Hide all Microsoft services and then click Disable all. Restart your computer.
5. Check Disk for Errors:
   • Run chkdsk /f in Command Prompt to check for disk errors.
6. Use the Media Creation Tool:
   • If the update continues to fail, consider using the Media Creation Tool to upgrade to Windows 11 manually.

If these steps do not resolve the issue, you may want to consult the Microsoft support page for more detailed assistance.

References:

• Windows 11, version 25H2 known issues and notifications
• Resolved issues in Windows 11, version 25H2