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 ...

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.

Fix Windows Defender error code 0x800b0100, with message An error has occurred in the program during initialization on Windows 11/10.

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

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 ...

How to completely disable Windows Defender on Windows 10? There are several ways to disable Windows Defender on Windows 10, please see the detailed instructions below.