Forum Discussion
Solved
"Turn on Virus Protection" Notification appears after the latest update
So after the latest Windows 11 update I constantly get a single notification from Windows Defender claiming that it was turned off and suggesting to "Turn on Virus Protection". Fun fact is that Defen...
This is a known issue reported widely in forums. It might be caused by July Cumulative Update Preview or August Cumulative Updates. We may expect a fix from September Cumulative Updates.
UPDATE (18/09/2026): This issue has been resolved by Microsoft. If you're affected, pls install or update the Microsoft Defender Antivirus update (version 4.18.26080.4) update:
https://learn.microsoft.com/en-us/windows/release-health/resolved-issues-windows-11-25H2#august-2026
You can also refer detailed fix here:
https://www.kapilarya.com/turn-on-virus-protection-keeps-popping-up-in-windows-11
Hope this helps!
Note: Included link in this reply refers to blog post by a trusted Microsoft MVP.
Same problem. I was wonder what is going on and how to solve it.