Windows 10: Real-time protection issue of Microsoft Defender

Discus and support Real-time protection issue of Microsoft Defender in AntiVirus, Firewalls and System Security to solve the problem; Hi,I have turned off the virus protection of my third party antivirus software and try to turn on the real-time protection of Microsoft Defender.... Discussion in 'AntiVirus, Firewalls and System Security' started by I-Shu Chen, Aug 14, 2021.

  1. I-SHU CHEN
    I-Shu Chen Win User

    Real-time protection issue of Microsoft Defender


    Hi,I have turned off the virus protection of my third party antivirus software and try to turn on the real-time protection of Microsoft Defender. However, the option to turn on the real-time protection of Microsoft Defender is greyed out, and I can't turn it on from my Windows Security app. Does anyone know how to fix this issue?

    :)
     
    I-Shu Chen, Aug 14, 2021
    #1
  2. IGA MADE MULIARSA
    IGA Made Muliarsa Win User

    Untable to Control Windows Defender Real-time Protection On/Off

    Sometimes, we need to turn off Windows Defender Real-time protection. In my experience, this software may cause some error to run Android Emulator such as BigNox. It also slowing down my Android Studio. To disable Windows Defender Real-time protection, I
    do these steps:

    1. Run Windows PowerShell as administrator
    2. execute set-mppreference -DisableRealtimeMonitoring 1
    Windows PowerShell

    Copyright (C) Microsoft Corporation. All rights reserved.

    PS C:\WINDOWS\system32> set-mppreference -DisableRealtimeMonitoring 1

    PS C:\WINDOWS\system32>

    In Windows registry it will create

    Computer\HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows Defender\Real-Time Protection -> DisableRealtimeMonitoring REG_DWORD 1

    Tested on Windows 10 Version 10.0.17134 Build 17134

    But, during my computer idle, windows always put Real-time protection on. It is so annoying. I want to control Real-time Protection manually.
     
    IGA Made Muliarsa, Aug 14, 2021
    #2
  3. ADONIS08
    adonis08 Win User
    Windows Defender Real Time Protection

    I did all the step and delete the MsMpEng.exe but still it doesn't turn on Real Time Protection any suggestion please??
     
    adonis08, Aug 14, 2021
    #3
  4. ADONIS08
    adonis08 Win User

    Real-time protection issue of Microsoft Defender

    Windows Defender Real Time Protection

    I did all the step and delete the MsMpEng.exe but still it doesn't turn on Real Time Protection any suggestion please??
     
    adonis08, Aug 14, 2021
    #4
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Real-time protection issue of Microsoft Defender

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