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Windows Defender with status "Stopping" and BFE not listed in Services – Windows 11

Fabiano Santos 20 Reputation points
2025-09-29T15:14:22.6166667+00:00

Yesterday I upgraded my Windows 10 to Windows 11. Everything went fine, but I’m facing an issue I haven’t been able to resolve.

The Windows Defender Firewall stays in the "Stopping" status and does not change. When I tried to taskkill the corresponding PID, Windows froze and restarted.

I also noticed that the Base Filtering Engine (BFE) service is not listed. I believe this might be the cause. How can I fix this?

I have already run the following commands, but without success:
sfc /scannow

DISM /Online /Cleanup-Image /RestoreHealth

I also cannot install Teams.

Windows for home | Windows 11 | Install and upgrade
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Answer accepted by question author
  1. Ramesh 176.1K Reputation points Volunteer Moderator
    2025-09-29T17:15:01.98+00:00

    Hi Fabiano,

    Please try the accepted answer in the following thread exactly as instructed.

    https://learn.microsoft.com/en-us/answers/questions/4088904/windows-firewall-0x800706d9?forum=windows-windows_11-performance&referrer=answers

    That should fix the Firewall and BFE services.

    1 person found this answer helpful.

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  2. Fabiano Santos 20 Reputation points
    2025-09-29T17:08:48.0266667+00:00

    Hello Ramesh, thank you for your reply.

    Please find attached the files shared via OneDrive. I found it strange that Windows didn’t allow me to run FRST64English.exe with a double-click (it said I needed a program to open it); I was only able to run it through the Command Prompt.

    https://1drv.ms/u/c/bd182d6967813add/EUwzRZOwUD5PsyhIaxFCM6MBqDvM8dYQMZw9oAatbFeSDw?e=GQCSh7

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  3. Ramesh 176.1K Reputation points Volunteer Moderator
    2025-09-29T15:37:52.79+00:00

    Please share your Farbar scan logs for analysis.

    • Download Farbar Recovery Scan Tool 64-bit FRST64.exe
    • If the OS language is not English, rename FRST64.exe to FRST64English.exe.
    • Run the program. Don't check or uncheck any options. Click "Scan".
    • Add the two logs, FRST.txt and Addition.txt, to a zip archive.
    • Share the zip file on OneDrive or GoFile.io, and post the link here.

    Note: If Microsoft Edge or Chrome mislabels the Farbar Scanner executable as PUA/malware, choose to keep it by tapping … in the bottom bar, choosing Keep, and then choosing Keep anyway in the dialog that appears. See this screenshot. It's a safe tool used in most antimalware forums.



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