Windows defender and update option crash.

Question

Hello!

I have installed MRT Windows 8.1 Enterprise. But Windows Defender and update option crashed. How can I fix it?

Regards.

Answer 1

Because those apps can't be removed completely from Windows, I actually recommend reinstalling them using the official installers. This will automatically replace any corrupted files, fix permissions and registry items, etc.

• Download Malicious Software Removal Tool: https://www.microsoft.com/en-us/download/malicious-software-removal-tool-details.aspx
• Download Windows Defender: https://support.microsoft.com/en-us/help/14210