Completely disabling Windows Defender  

  1. Posts : 1,242
    Windows 8.1, Win10Pro

    Completely disabling Windows Defender

    I'm running Win10 v1909 Bld 18363.535 and keep getting malware notifications from Windows Defender -- and they are really annoying!

    I have done everything I have found to disable it, including the Windows Security settings and Regedit settings. When I get a notification, I click on it to see the details but then I get an error message indicating that some Windows Security features have been disabled and to contact my Adminstrator.

    I am running MBAM v4, so I really do not need Windows Defender and I thought, that if you run a third-party AV product it was supposed to be disabled, anyway -- but as evidenced by the notifications, it is NOT.

    I'm at my wits end and do not know of anything else I can do.
      My Computer

  2. Posts : 66,559
    64-bit Windows 11 Pro for Workstations

    Hello Mark,

    If you haven't already, you could see if disabling notifications from Windows Security using an option in the tutorial below may stop it.

    Enable or Disable Notifications from Windows Security in Windows 10
      My Computers

  3. Posts : 1,242
    Windows 8.1, Win10Pro
    Thread Starter

    I couldn't find Windows Defender Security Center in my Group Policy Editor, so instead, I went to Windows Defender Antivirus - Client Interface and enabled Suppress all notifications. There was no option for critical or non-critical notifications.
      My Computer

  4. Posts : 66,559
    64-bit Windows 11 Pro for Workstations

    The GPO should be at:

    Computer Configuration\Administrative Templates\Windows components\Windows Security\Notifications
      My Computers


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