Fixes: Windows 11 KB5036080 Installation Is Stuck at 100%

Windows 11 KB5036080 update installation stuck at 100%? Try these five methods!

Windows updates usually contain many bug fixes and improvements, but sometimes problems can be encountered during installation, such as: update error 0x80070643, update not displayed, or installation failed. KB5036080 is no exception, with some users reporting installation stuck at 100%.

This article provides five solutions:

Method 1: Run the Windows Update Troubleshooter

The Windows Update Troubleshooter is designed to fix Windows Update issues.

1. Press Windows I to open the Settings app.
2. Go to System > Troubleshooting > Other Troubleshooting Programs .
3. Find Windows Update and expand, and click the Run button.

The program will automatically fix the discovered problems. Once finished, restart the computer and try to install the KB5036080 update again.

Method 2: Use the system file checker to repair damaged or lost system files

Corrupt or missing system files can also cause installation to get stuck. The system file checker can repair these files.

1. Run command prompt as administrator.
2. Run the following command: DISM.exe /Online /Cleanup-image /Restorehealth
3. Run the following command: sfc /scannow

Method 3: Restart Windows update related services

Restarting Windows Update related services, such as Windows Update and Background Intelligent Transfer Service services, can sometimes resolve the issue. The specific steps are to open the service (services.msc), find these two services, set the startup type to "automatic", and start the service.

Method 4: Clear Windows Update Cache (Advanced User)

Power users can clear the Windows Update Cache using Windows PowerShell:

1. Run Windows PowerShell as an administrator.
2. Run the following commands in turn:
   • net stop bits
   • net stop wuauserv
   • net stop msiserver
   • net stop cryptSvc
3. Run the %windir%\\SoftwareDistribution command to open the SoftwareDistribution folder and delete all files in it.
4. Return to Windows PowerShell, and then run the following commands to restart the update service:
   • net start bits
   • net start wuauserv
   • net start msiserver
   • net start cryptSvc

Method 5: Wait for the official repair program

If Microsoft is aware of this issue, it will be fixed in subsequent patches. If the above method is invalid, you can wait for the next version.

Hope the above methods can help you solve the problem.

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