Windows Defender update error 0x8050800c [EASY FIX]

Madalina Dinita
by Madalina Dinita
Managing Editor
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how to fix Windows Defender update error 0x8050800c

Installing the latest Windows Defender updates helps you to keep your computer safe. Usually, Windows 10 will automatically download and install updates once a day for you. You can also download the latest updates manually.

However, there are instances when users can’t install the latest Windows Defender updates due to various error messages.

Windows Defender error 0x8050800c

Error 0x8050800c is one of the most frequent Windows Defender errors.

I am getting this error whenever I want to update the virus definition in Windows Defender. Sometimes the defender itself automatically turns off. […] The error code I am getting is: 0*8050800c. What should I do? I am using Windows 10.

If you’re experiencing error 0x8050800c, follow the instructions listed below.

How can I fix Windows Defender update error 0x8050800c on Windows 10?

1. Restart your computer and then download and install the latest Windows Defender updates.

Users report that a simple action such as rebooting your computer eliminates error 0x8050800c and allows you to update your antivirus.

2. Install the latest Windows 10 Updates 

If there are any pending Windows 10 updates, install them first and then try to update Windows Defender. Many users confirm that this simple action solves the majority of Windows Defender Update errors.

Once you’ve installed the latest OS updates, restart your computer and try to update your antivirus.

Having trouble updating your Windows 10? Check out this guide that will help you solve them in no time.

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

If you’ve installed another antivirus program on your computer, this may explain why you can’t update Windows Defender. Uninstall the third-party antivirus solution and use a software removal tool as well.

If you’re a Norton user, we’ve got a dedicated guide on how to completely remove it from your PC. There’s a similar article for McAfee users, as well.

Did you know that your antivirus can block the internet connection? Check out this guide to find out more.

4. Clean your registry

If your system files are corrupted, Windows Defender may not be able to download and install the latest updates. If you want to quickly scan and repair your registry, install a registry cleaner on your computer and let it do it’s job.

If you’re interested in repairing your corrupted system files, check out this useful guide that will help you do just that.

Looking for the best registry cleaners available right now? Take a look at this list with our top pics.

We hope the 4 solutions listed above helped you to fix Windows Defender‘s update issues. If you’ve come across other workarounds to fix error 0x8050800c, feel free to list the troubleshooting steps in the comment section below.

Also, leave there any other questions you may have and we’ll be sure to take a look.