Windows 10: "Could not install Windows updates, undoing changes" problem

For weeks now, some of my Windows updates have not been installed correctly. Steps to reproduce the error. I ran the windows update and downloaded the latest updates. A notification appeared when the system was ready to reboot. When the system is instructed to reboot, the first update session 0% -40% completes before the system is shut down. When the system is turned back on for the second update session 40% -100%, updates fail at 90% and an error message appears saying "Windows Update Failed, undoing changes." My Windows environment Windows 10 Home 64-bit Windows version: 2004

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Window Update Undoing changes made to your computer issue

Hi,



Thank you for writing to Microsoft Community Forums.



In order to help you with the appropriate troubleshooting steps, pleas reply with the details requested below:

• Do you receive any error message after Windows update?
  
• May I know after which update do you see this message?
  
• When you say, “this message appear about half and hour" does the computer boot to the desktop?
  
• What is the make and model of the computer?
  

If the computer doesn’t boot to the Desktop, I would suggest you to refer the suggestions provided by DaveM121 replied on April 7, 2019 in the thread

'Undoing changes made to your computer' in Windows 10.



If you are able to boot the computer to the Desktop, I would suggest you to run the

Windows Update Troubleshooter and see if that helps.



If the issue persists, I would suggest you to reset Windows Update components. Kindly refer the article by Sumit on

How to:Reset Windows update components in Windows.



You may also want to refer the steps mentioned in the article
Troubleshoot problems updating Windows 10.



Note: While performing chkdsk on the hard drive if any bad sectors are found on the hard drive when chkdsk tries to repair that sector if any data available on that might be lost. Also, the last step in the article
talks about Clean installation, please do not perform a clean installation of Windows.



Let us know the results, we will be glad to help you.



Regards,

Nikhar Khare

Microsoft Community - Moderator

 

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Updates not installing

Check if the following steps listed here helps:

• [FIX] Windows update says undoing changes after/be...