Find the Secure Boot option and change it to Disabled. Save the changes and reboot again. We recommend keeping Secure Boot enabled unless you're sure it needs to be disabled. This article explains how ...

I only know that secure boot is a feature that checks the system bootloader is properly signed by something/somebody authorized to do so. So it would make sense that ...

I have yet to find any mention of problems with Windows 11 if you disable secure boot after installing it. I’m assuming this would be quite a prominent matter and easy to find if there were such ...