Windows defender offline scan booting up straight to windows without doing the scan

Fred Almberg Wahlberg 0 Ryktespoäng
2026-10-15T21:06:42.3833333+00:00

Hi,

I have a relatively new gaming PC purchased from Inet, and I’ve been having this issue since I got it.

Whenever I try to run Microsoft Defender Offline Scan, my PC restarts, but I never see the usual blue Windows Defender Offline scanning screen. Instead, it eventually boots straight back into Windows. The whole process takes around two minutes.

During one attempt, I saw the ASUS logo with the message “Preparing for recovery,” but I didn’t see the actual scan running.

I also have Bitdefender installed, which is my main antivirus. I’ve already performed full scans with Bitdefender, Malwarebytes, and Microsoft Defender, and none of them detected any threats.

I ran this PowerShell command:

Get-MpComputerStatus | Select-Object AMServiceEnabled, AntivirusEnabled, RealTimeProtectionEnabled, AMRunningMode

The results were:

  • AMServiceEnabled: True
  • AntivirusEnabled: True
  • RealTimeProtectionEnabled: False
  • AMRunningMode: SxS Passive Mode

I understand that Defender may run in passive mode because Bitdefender is installed.

My questions are:

  1. Why does Defender Offline restart straight back into Windows without showing the scanning interface?
  2. Could this be related to Windows Recovery Environment (WinRE) or corrupted Windows system files?
  3. Is this a known issue, and how can I troubleshoot it safely without reinstalling Windows?

Thanks for any help.

Windows för hemmet | Windows 11 | Säkerhet och sekretess
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  1. Carl-L 23,620 Ryktespoäng Externa Microsoft-medarbetare Moderator
    2026-10-16T12:58:43.1333333+00:00

    Disclaimer: This is the forum for sv-se locale. However, I will answer you in English since the original thread is in English. If you need support using your local language, please let me know.

    Hello Fred Almberg Wahlberg,

    Welcome to Microsoft Q&A forum.

    Before we proceed further, can you please try to remove or disable all third-party anti-virus first and check if the Defender offline can start after that?

    I'm waiting for your reply.

    Var det här svaret till hjälp?

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