Windows 10: Cannot Disable Windows Defender

Discus and support Cannot Disable Windows Defender in Windows 10 Customization to solve the problem; The Anti Malware Service Executable MsMpEng.exe is using alot of my CPU in the background slowing down my computer so i tried disabling it by the... Discussion in 'Windows 10 Customization' started by Aditya_Singh_Pundir, Mar 24, 2020.

  1. Cannot Disable Windows Defender


    The Anti Malware Service Executable MsMpEng.exe is using alot of my CPU in the background slowing down my computer so i tried disabling it by the following methods-

    • Using Policy Editor gpedit.msc
    • Adding an exclusion for MsMpEng.exe in Windows Defender
    • I tried adding the DWORD Key DisableAntiSpyware and setting its value to 1 in the Registry Editor but whenever i restart my computer the Windows Defender notifies me that the key has been removed from the computer as it is a "threat"it assumes that a 3rd party malware is responsible for adding the key


    Any suggestions on what i can do to solve this problem?

    Thank you for your support in advance!

    :)
     
    Aditya_Singh_Pundir, Mar 24, 2020
    #1

  2. How to disable windows defender for long time?

    Hi Andrew,

    If I understand you correctly you are willing to disable Windows Defender from your system. I would like to know few more things to understand the issue in a better way.

    • Why are you trying to disable Windows Defender? Are you planning to install any third party security software?
    • From where you have followed the steps to disable Windows defender using registry?
    • Are you logged in as Administrator?

    The steps which you have mentioned to disable Windows Defender using gpedit.msc is correct. If you are unable to disable it then you may do that by stopping the service responsible for Windows Defender. Here are steps which you may follow to perform the
    same task.

    • Press Windows key + R to open run box.
    • Type services.msc and hit enter.
    • There should be 2 services: Windows Defender Service
      and Windows Defender Network14.
    • Right click on each and press stop.


    If you will stop the service responsible for Windows Defender then it will not run till it is stopped. Do get back to us with all the information required and result of proposed suggestion. We will be happy to assist you further.

    Regards,
     
    Ramesh.Kumar, Mar 24, 2020
    #2
  3. How to disable windows defender for long time?

    Dear ramesh,

    I too agree with Farah in that the options to start, stop Windows Defender are not clickable. There should be a way to stop the WD
     
    Azad Rahimtoola, Mar 24, 2020
    #3
  4. Cannot Disable Windows Defender

    Windows Defender automatically disabled

    Hi Ahmad,

    Thank you for responding.

    I suggest you to place the computer in safe mode and check if the Windows Defender works.

    Method 1:

    Step 1: Start computer in safe mode.


    • Type Settings in the search box on the desktop, select
      Settings.

    • Here select Change pc settings and then
      General.

    • Scroll down to Advanced startup, click
      Restart now.

    • Click on Troubleshoot, Advanced options, and Startup Settings.

    • Click Restart, select
      Safe mode and then press Enter.

    Step 2: Try to
    run the Windows Defender in safe mode
    .

    Steps:

    • Press Windows key and type Windows Defender.
    • Right click on it and select Run as Administrator.
    • It may prompts you to enter the password.

    Method 2: If the issue still persists, place the computer in normal mode and check for the Windows Defender services.

    Step 1: Place the computer in normal mode.

    • Press Windows + R keys to open
      Run command.
    • Type msconfig and press
      Enter
      .
    • In the System Configuration
      window, click on General tab.
    • Select Start-up selection as Normal startup, click on Apply and Ok.
    • Follow onscreen instructions.

    Step 2: Once you are in normal mode, I suggest you to check for the
    Windows Defender services.

    • Press Windows + R keys to open
      Run command.
    • Type services.msc and press
      Enter
      .
    • Search for Windows Defender, right click on it and
      start the service.
    • Also, set the Startup type to
      Automatic.
    • Do the same for Windows Defender Network Inspection Service.
    • Now check if you are able to access Windows Defender.

    Hope it helps. Kindly update the status of this issue, we will be happy to help you.
     
    Deepika Gowda, Mar 24, 2020
    #4
Thema:

Cannot Disable Windows Defender

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