Next, check for any pending Windows updates. Outdated Windows, especially if you have opted for the Windows Insider Program, can lead to errors like Kernel Security Check Failure.

4. Repair the Windows services: If this doesn’t work either, check the Windows system files. Enter cmd in the Windows search and select Command Prompt > Open as administrator.

If you are using Windows and Internet Explorer, the browser generates this error when it attempts to open a website that has a problematic security certificate.

Sometimes, Windows' Start Menu can get a little finnicky, even if you've never had an issue before. Luckily, there's plenty of things you can do to fix it.