How Do I Fix KB5021089 Error on Windows 10?

Are you facing issues with installing the KB5021089 update on your Windows 10 system? This is a known problem faced by many Windows 10 users, but it can be resolved with some simple steps. In this article, we will guide you on how to fix the KB5021089 error on Windows 10.

Step 1: Check for Compatibility Issues

Before proceeding with the resolution, it is essential to check if your system is compatible with the KB5021089 update. The update requires a 64-bit version of Windows 10 with the October 2020 Update (version 20H2) or later. If your system doesn’t meet the requirements, you won’t be able to install the update, and you should stop the troubleshooting process.

Step 2: Run the Windows Update Troubleshooter

The Windows Update troubleshooter is a built-in tool that can help you fix common problems with Windows updates. To run the troubleshooter, follow these steps:

  1. Press the Windows key + I to open the Settings app.
  2. Click on the “Update & Security” option.
  3. Click on the “Troubleshoot” option from the left-side menu.
  4. Scroll down and click on the “Windows Update” option.
  5. Click on the “Run the troubleshooter” button.

The troubleshooter will scan your system and try to identify the problem with the KB5021089 update. If it finds any issues, it will display a list of recommended solutions, which you can apply to resolve the problem.

Step 3: Restart the Windows Update Service

If the troubleshooter doesn’t resolve the issue, you can try restarting the Windows Update service. The Windows Update service is responsible for downloading and installing updates on your system, and if it’s not running, it can cause problems with updates. To restart the service, follow these steps:

  1. Press the Windows key + X to open the Quick Link menu.
  2. Click on the “Command Prompt (Admin)” option.
  3. Type the following command in the Command Prompt window and press Enter: net stop wuauserv
  4. Type the following command in the Command Prompt window and press Enter: net start wuauserv

The Windows Update service will be restarted, and you should try installing the KB5021089 update again.

Step 4: Delete the Software Distribution Folder

The Software Distribution folder is where Windows stores temporary files related to updates. If the folder is corrupted, it can cause problems with updates, including the KB5021089 update. To delete the folder, follow these steps:

  1. Press the Windows key + X to open the Quick Link menu.
  2. Click on the “Command Prompt (Admin)” option.
  3. Type the following command in the Command Prompt window and press Enter: net stop wuauserv
  4. Navigate to the following folder: C:\Windows\SoftwareDistribution
  5. Delete the entire folder.
  6. Type the following command in the Command Prompt window and press Enter: net start wuauserv

The Software Distribution folder will be deleted, and Windows will create a new folder the next time you install updates.

Conclusion

The KB5021089 error on Windows 10 can be fixed with these simple steps. If the issue persists even after following these steps, you may want to contact Microsoft support for further assistance. Keep in mind that updates are important for



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