Microsoft’s in-house security app, the Microsoft Defender is available for download on Windows 11/10 computers. They first got things underway by releasing a preview version of this app, which ...

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.

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