How to Turn On or Off Microsoft Defender Antivirus in Windows 10  

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  1. reddwarf4ever
    Posts : 1,523
    windows 10 PRO
       New #150

    Thank you so much.....

    best wishes for the new year and beyond....
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  3. Brink
    Posts : 68,894
    64-bit Windows 11 Pro for Workstations
    Thread Starter
       New #151

    You're most welcome. :)

    You should be able to use the same for any other file. If the file doesn't have "Pin to Start" by default, you could create a shortcut of the file, then "Pin to Start" the shortcut.
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  4. bjm
    Posts : 118
    W10 Home 22H2
       New #152

    Hi,
    I have HKEY_LOCAL_MACHINE\SOFTWARE\Policies\Microsoft\Windows Defender
    DisableAntiSpyware DWORD = 1

    I have Windows Defender Antivirus Service = Manual
    I also have Windows Defender Security Center Service = Disabled

    On machine restart I still get call for > C:\Program Files\Windows Defender\MpCmdRun.exe
    any way to know what's calling MpCmdRun.exe and or how to stop call?

    Thanks
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  5. Brink
    Posts : 68,894
    64-bit Windows 11 Pro for Workstations
    Thread Starter
       New #153

    MpCmdRun.exe is a command line tool for Windows Defender Antivirus.

    Use the command line to manage Windows Defender AV | Microsoft Docs

    Do you have any tasks or anything set to run using this command?
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  7. bjm
    Posts : 118
    W10 Home 22H2
       New #154

    Brink said:
    MpCmdRun.exe is a command line tool for Windows Defender Antivirus.

    Use the command line to manage Windows Defender AV | Microsoft Docs

    Do you have any tasks or anything set to run using this command?
    Um, not that I'm aware of. About a minute after machine restart is at desktop....my anti-executable popup reports:
    C:\Program Files\Windows Defender\mpcmdrun.exe | 4CFFC91D60698DD5A783214D1C7DFC5F | Microsoft Corporation | [5948]c:\windows\system32\svchost.exe | "C:\Program Files\Windows Defender\mpcmdrun.exe" -wdenable

    I have mpcmdrun.exe Blacklisted
    How to Turn On or Off Microsoft Defender Antivirus in Windows 10-mpcmdrun.png
    Last edited by bjm; 01 Feb 2018 at 01:07.
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  8. Mandeez85
    Posts : 1
    Windows 10 64bit PRO
       New #155

    Found my way into here, i am long time pc gamer!


    Anyway, the reason why i wanted to turn off my windows defender is that it does not have silent mode!

    Its frekkin annoying when it starts scanning and bleeping when i game, it simply does not recognise when i am gaming and when i game i want 100% of the performance! I know what i am doing online, i am not clicking everything that pops up on my screen.

    This is why i took PRO version of Windows 10, so i can atleast do some tweaking, HOME version is too closed...
    I can easily play 6-12 hours daily if i have honestly nothing else to go for so the "active hours" do not work properly for gamers either when it only has 12 hour window... if i first play 6 hours, take a brake for hour or two and then continue again 6 hours then its already closer to 15 hours when i need DO NOT DISTURB.

    i found plenty settings to be chanced at group policy, i just dont understand why MS cant give one simple button to fully disable it, gotta go click like dozen different ones now?
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  9. Houdinii
    Posts : 4
    Windows 10
       New #156

    How do I fix this? I tried to disable it on the latest update of windows and now it’s deleted but still working.
    Imgur: The magic of the Internet
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  10. Brink
    Posts : 68,894
    64-bit Windows 11 Pro for Workstations
    Thread Starter
       New #157

    Houdinii said:
    How do I fix this? I tried to disable it on the latest update of windows and now it’s deleted but still working.
    Imgur: The magic of the Internet

    Hello Houdinii, and welcome to Ten Forums.

    Just to verify, did you sign out and sign in or restart the computer to apply after turning off Windows Defender?
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  11. Houdinii
    Posts : 4
    Windows 10
       New #158

    Yes u restated my pc about Like 20 times
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  13. Houdinii
    Posts : 4
    Windows 10
       New #159

    Houdinii said:
    Yes u restated my pc about Like 20 times
    I mean I restarted my pc, lol my phone is supper glitchy
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