Forum Discussion
Ambrosenb
May 11, 2026Iron Contributor
Window defender not working
My window defender not working can anyone help me please ?, I just reinstall window 11 at pc store and its not working so i think its not malware problem. ðŸ˜
KapilArya
May 11, 2026MVP
Try this command in admin Windows PowerShell:
Get-AppxPackage Microsoft.SecHealthUI -AllUsers | Reset-AppxPackage
If issue still persists, refer other suggestions in this fix:
https://www.kapilarya.com/fix-windows-defender-threat-service-has-stopped-error
Let us know if this helps!
Note: Included link in this reply refers to blog post by a trusted Microsoft MVP.