Disabling Windows Defender permanently on Windows 11 is not recommended, and somewhat challenging. However, you can ...

Toggle the Windows Defender Firewall switch to the Off position. Do the same for Domain network and Private network as well. You will see the changed status as follows. Block all incoming ...

If you receive a Windows Defender Group Policy error which states Windows Defender – This app is turned off by Group Policy then you need to enable it using Group ...

Microsoft Defender SmartScreen is enabled by default in Windows and provides reputation-based protection against malicious apps and websites. It can be disabled if it mistakenly blocks safe files.

For Windows 10 users, there's a built-in antivirus ... antivirus is blocking the installation. Another reason to turn off Microsoft Defender is if you want to use another antivirus program.