PSA: Windows is Reporting Fake "Defender Antivirus Turned Off" Warnings

After installing the latest Defender Antivirus update in Windows 11, users receive 'Microsoft Defender Antivirus is turned off' notifications even though protection is active. Microsoft has acknowledged the issue and promises to fix it in a future update.

• False notifications appear immediately after system boot
• All versions of Windows and Windows Server affected
• Notifications appear even with notification settings disabled
• Microsoft is preparing a fix in the next Defender update