Whatever the reason, you can disable Microsoft Defender Antivirus on your Windows 11 PC using any of the following methods. However, before you do that, you need to disable Tamper Protection first.

This is my simple way to remove viruses and malware from a Windows 11 or Windows 10 PC in just a few steps. I show how I use built-in tools like Disk Cleanup and the Microsoft Malicious Software ...

How to disable Microsoft Defender Antivirus from Windows Security You don't need to disable the antivirus permanently when making system changes. You can always disable the protection temporarily ...