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Quick fix: Windows Defender update error 0x8050800c

If you can’t install Windows Updated due to errors, we recommend you to check our dedicated guide and easily fix this problem.

3. Make sure you’re not running a third-party antivirus

It is possible that you’ve installed another antivirus program on your computer. If such is the case, this may explain why you can’t update Windows Defender.

Uninstall the third-party antivirus solution from Control Panel, as you usually do with any program. If this doesn’t completely remove it, use a software removal tool.

If you’re a Norton user, we’ve got a detailed guide on how to completely remove it from your personal computer. 

4. Clean your registry

If your system files are corrupted, Windows Defender may not be able to download and install the latest updates.

In order to quickly scan and repair your registry, install a registry cleaner on your computer and let it do its job.

Windows Update is meant to improve the overall performance of your operating system, integrate new features, and even upgrade the existing ones. However, there are times when certain errors may occur out of the blue.

Thankfully, if you happen to run into such issues, there is a specialized Windows repair software that can help you solve them in no time, and it is called Restoro.

This is how you can fix registry errors using Restoro:

  1. Download and install Restoro.
  2. Launch the application.
  3. Wait for the application to find any system stability issues and possible malware infections.
  4. Press Start Repair.
  5. Restart your PC for all the changes to take effect.

After the process is completed your computer should work perfectly fine and you will no longer have to worry about Windows Update errors of any kind.

Get Restoro

Disclaimer: This program needs to be upgraded from the free version in order to perform some specific actions.

If you’ve come across other workarounds to fix error 0x8050800c, feel free to list the troubleshooting steps in the comment section below.

However, Windows Defender offers basic protection for your PC. Thus, consider using any of these best antiviruses compatible with Windows 10.

We hope the 4 solutions listed above helped you to fix Windows Defender’s update issues. Also, leave there any other questions you may have and we’ll be sure to take a look.

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This post was written by Madalina Dinita and was first posted to WindowsReport

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