Unable to disable Windows Defender on 1909

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  1. Posts : 63
    Windows 10 2004 (Pro)
       #1

    Unable to disable Windows Defender on 1909


    Hello! I'm using Windows 10 1909, Version 10.0.18363, Build 18363.
    I am unable to turn off Windows Defender permanently. I followed this guide: How to Turn On or Off Microsoft Defender Antivirus in Windows 10 and none of the methods work. I have turned off tamper protection already.
    When I try to use the group policy editor method and enable this "Turn off Windows Defender Antivirus" and reboot, it automatically becomes "Not configured".
    When I use the regedit method, the setting real-time protection is still on (but other settings are disabled) and when I disable it, it becomes activated again.

    Please help me, I want to disable Windows Defender permanently and I DO NOT want to use any other AVs.
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  2. dalchina's Avatar
    Posts : 31,852
    Win 10 Pro (1903)
       #2

    Suggest you refer to this post in comments under that tutorial.

    Should it be the case the tutorial needs updating, that would help.

    There are recent threads about registry changes not being retained, if that's your situation. Please have a look at those.

    You refer to using Group Policy. Please confirm you have Pro.
      My Computers


  3. Posts : 63
    Windows 10 2004 (Pro)
    Thread Starter
       #3

    Hey, sorry for the late reply but I can't seem to find anything in the comments related to my problem, also there are a lot of comments and I don't have so much time to read everything, sorry.
    And yes I do have W10 Pro
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  4. Ghot's Avatar
    Posts : 11,464
    Win 10 Home 10.0.19043.1151 (x64) [21H1]
       #4

    @markrobby


    Get Autoruns 13.98 from here: https://docs.microsoft.com/en-us/sys...loads/autoruns

    Scroll to the bottom of the page for the download link.
    Install Autoruns, and then run the program.
    Go to Options and UNcheck everything except: "Hide Empty Locations"
    In the Filter" box type: Windows Defender
    You should get about 5 results. UNcheck them all except: Policy Agent
    Close Autoruns and reboot the computer.

    Now type Services in the taskbar search box. In the Services window Stop and Disable all the Windows Defender entries.



    I'm not saying you should or shouldn't do this. I'm just telling you HOW to do it.

    IF you do decide to disable Windows Defender, I would make a full OS image backup, first.
    Use a program like Macrium Reflect (free) to do that.

    Macrium Software | Macrium Reflect Free
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  5. dalchina's Avatar
    Posts : 31,852
    Win 10 Pro (1903)
       #5

    Again: Please post a comment under that tutorial. That way Brink (author) may also be able to respond, and others who have tried to do this who might have relevant experience.

    Do you see how that might help you?
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  6. Posts : 63
    Windows 10 2004 (Pro)
    Thread Starter
       #6

    @Ghot How will Autoruns help me with my problem? I don't understand the use of it, can't I just go to services and disable Windows Defender from there?
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  7. Posts : 63
    Windows 10 2004 (Pro)
    Thread Starter
       #7

    dalchina said:
    Again: Please post a comment under that tutorial. That way Brink (author) may also be able to respond, and others who have tried to do this who might have relevant experience.

    Do you see how that might help you?
    Okay, I get it. I will make a comment in that thread.

    - - - Updated - - -

    Ghot said:
    What is the use of Autoruns? Can't I use services.msc only?
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  8. Ghot's Avatar
    Posts : 11,464
    Win 10 Home 10.0.19043.1151 (x64) [21H1]
       #8

    markrobby said:
    What is the use of Autoruns? Can't I use services.msc only?
    Try using Services by itself.
    I spent a week trying to disable Defender when I was on 1909. NOTHING worked.

    Until I used MS's Autoruns. The Defender Services will be greyed out, even in Safe Mode, etc.

    Autoruns isn't permanent. You can just re-enable those entries if you so desire.

    In the meantime, have fun trying to disable Defender. I tried EVERYTHING. Autoruns + Services... is what... worked.
    And it took all of 2 mins to accomplish.



    The reason I disabled Defender was it was conflicting with Bitdefender Internet Security 2020. Once I figured out how to make Bitdefender behave like is was supposed to (about 3 weeks or so), then I realized I could just re-enable Windows Defender, which I did.

    There were NO side issues from disabling Windows Defender. But like I said... keep trying. You MAY find a different way, I doubt it, but ya never know.
      My Computer


  9. Posts : 63
    Windows 10 2004 (Pro)
    Thread Starter
       #9

    Okay, I will try using Autoruns as I too see that the Defender services are greyed out, thanks for the suggestion!
      My Computer

  10. Ghot's Avatar
    Posts : 11,464
    Win 10 Home 10.0.19043.1151 (x64) [21H1]
       #10

    markrobby said:
    Okay, I will try using Autoruns as I too see that the Defender services are greyed out, thanks for the suggestion!
    As I mentioned in my first response... using backup software, makes you pretty much boo-boo proof.
    I didn't need Macrium Reflect (which I use religiously) in this case. But it never hurts to be one step ahead of things, so to speak.


    /edit

    Autoruns is by Sysinternals, a company by MS and once MS employees. Autoruns itself is safe as can be. All it does, is give you a secret backdoor to things the "run automatically" on Windows, hence the name.
      My Computer


 
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