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

The message clearly says that a required Windows Service could not be started. Here are the areas you need to take a look at to fix this Microsoft Defender error: Check Windows Defender service ...

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

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.

With the release of the Windows 10 May 2019 Update, Microsoft introduced a new security feature called Tamper Protection that protects security settings for Windows Defender antivirus from being ...