Windows 10: Windows Defender & Firewall Issue

Discus and support Windows Defender & Firewall Issue in AntiVirus, Firewalls and System Security to solve the problem; [IMG] This issue is in my personal laptop HP ELITEBOOK 840 G3 I7-6500U usingWin10Pro OS. I am the only user and Administrator on my laptop besides the... Discussion in 'AntiVirus, Firewalls and System Security' started by Rangga Arya, May 1, 2020.

  1. Windows Defender & Firewall Issue


    Windows Defender & Firewall Issue [​IMG]

    This issue is in my personal laptop HP ELITEBOOK 840 G3 I7-6500U usingWin10Pro OS. I am the only user and Administrator on my laptop besides the built-in account.


    I found it when i tried Malwarebytes and uninstalled it after trial ends on the end of this April. But for some reason i can't turn myVirus & Threat Protection back on and just left this message.

    Windows Defender & Firewall Issue [​IMG]





    The same problem also occured in Windows Firewall.

    Windows Defender & Firewall Issue [​IMG]

    The Sollutions i've tried and failed:

    1. Checking the registry : i've found the redundant registry "DisableAntiVirus" and tried to set it to 0 and even deleted it. Can't find firewall's registry.


    2. Checking the group policy : i've checked the windows defender and the firewall and found no suspicious setting since they all set to "not configured"



    3. Using cmd to execute this reg delete “HKLM\Software\Policies\Microsoft\Windows Defender" /f https://answers.microsoft.com/en-us...ings-are/a2a3d93b-ab6d-49e7-b5ea-e35fb91fce93


    4. Checking Services : I found this and i can't change the startup settings.

    Windows Defender & Firewall Issue [​IMG]

    I know that i can always just reset the pc and be done with it but ill keep it as my last resort and now i'm using Avast' free version for security. I want to resolve this asap because i always got notif pop-up about enabling my firewall while i can't do anything about it without resetting the OS.

    :)
     
    Rangga Arya, May 1, 2020
    #1
  2. Yolvi Ell Win User

    windows defender firewall

    Hi Faye,

    Third-party antivirus programs usually have their own uninstallers provided by the software developer. We suggest checking the developer's website or contacting their support team for assistance with uninstalling their program. After fully uninstalling the
    third-party antivirus software, you may turn on Windows Defender by following these steps:

    • Click Start.
    • Type Windows Defender Security Center and press Enter.
    • Click Firewall and network protection.
    • Click Private (discoverable) network and click On.
    • Click Public (non-discoverable) network and click On.

    Let us know if you have any other concerns about Windows Defender.
     
    Yolvi Ell, May 1, 2020
    #2
  3. Mala_S Win User
    Windows Defender Firewall error code 0x800706d9

    Hi AnudieKatz.

    Thank you for writing to Microsoft Community Forums.

    Since you are facing an issue with the Windows Defender firewall, I would like to ask you few questions to get a better picture.

    1. Are you using any other Anti-virus software?
    2. Since when are you facing this issue?
    3. Have you tried installing Picture viewer and Calendar app after it getting uninstalled?

    Based on your information, I would like to inform you that if you are using third party anti-virus program Windows defender will automatically turn off from your system you will not able turn it on manually.

    Let’s try simple troubleshooting steps and check if this helps in resolving the issue. Follow the below methods.

    Method 1: Check the following services and ensure it is started.

    1. Press Windows and R key together on your Keyboard.
    2. Type Services.msc and hit Enter.
    3. Search for the following services:
    • Base filtering engine Service
    • Remote Procedure Call Service
    • Windows defender firewall service
    4. Start the above services and reboot the device.

    Method 2: I would suggest you to try running the troubleshooter to enable the firewall. Use the below link to run the troubleshooter.

    https://support.microsoft.com/en-us...agnose-and-fix-problems-with-windows-firewall

    If you are still facing the same issue after following the above steps, revert with the details asked.


    Hope it helps.

    Mala.S

    Microsoft Community - Moderator
     
    Mala_S, May 1, 2020
    #3
  4. Windows Defender & Firewall Issue

    Windows Defender - Firewall and Network Protection

    Hi,

    We suggest that you try restarting Windows Defender service and check if issue is resolved. Follow the steps below:

    • Press Windows key + X key and type services.msc,
      hit enter.
    • Search Windows Defender Service.:1)Windows Defender Service ; 2)
      Windows Defender Network.
    • Right click on each and press Start.
    • Restart your computer and check if issue persist.

    Let us know if you need further assistance.
     
    Reymichael Ros, May 1, 2020
    #4
Thema:

Windows Defender & Firewall Issue

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