If you have a Microsoft 365 subscription, you can download the Defender app to access additional security features not available on Windows 11 or 10.

On Windows 11, you can manage various settings and features from Microsoft Defender Antivirus, and in this guide, I'll show you how.

Formerly known as Windows Defender, Microsoft Defender is an antivirus protection program that's included with Windows 10.

Check if Microsoft Windows Defender does not start on Windows 10 issue still occurs. Method 9: Reset PC This is considered to be the last resort when the above mentioned fails to fix the issue.

Microsoft has confirmed a critical vulnerability in Windows Defender that could leak file content data but advised users to do nothing—here’s why.

If Windows Defender Firewall is using settings that make the device unsafe, check the solutions mentioned in this post to resolve the issue.