Windows 10: Unable to activate window defender antivirus

Discus and support Unable to activate window defender antivirus in AntiVirus, Firewalls and System Security to solve the problem; Hi, I am unable to activate microsoft defender antivirus. Firewall protection is on, everything is proctected but , virus and threat protection is... Discussion in 'AntiVirus, Firewalls and System Security' started by akshay s, Aug 12, 2020.

  1. AKSHAY S
    akshay s Win User

    Unable to activate window defender antivirus


    Hi,

    I am unable to activate microsoft defender antivirus. Firewall protection is on, everything is proctected but , virus and threat protection is not activated and showing turned off. Kindly help me out here

    :)
     
    akshay s, Aug 12, 2020
    #1
  2. PRAKASHVARKHEDKAR
    PrakashVarkhedkar Win User

    Cannot activate Windows Defender

    On my laptop "Toshiba Satellite L455" I did upgradation to W-10 from W-7 (original).

    There is no antivirus program on this PC.

    I wanted Windows Defender to run. But it says that it is switched off.

    Want to activate it.

    On opening Windows defender, there is no option to activate it.

    In step 2 of your suggestion, it says:

    "Windows could not start the Windows Defender Network Inspection Service on local computer.

    Error 1068: The dependency service or group failed to start"

    Can you pl give a method to activate the defender?
     
    PrakashVarkhedkar, Aug 12, 2020
    #2
  3. DAVIDHK
    davidhk Win User
    Windows Defender disabled and is unable to start


    OK. I am not sure if you can complete the steps below.......................
    In the search box, type services.msc > Enter
    Items in the Services box are listed alphabetically.
    Scroll down to Windows Defender Service...........................
    at Status heading, it should be.................................... Running
    at Startup type, it should be......................................... Automatic


    Unable to activate window defender antivirus [​IMG]




    If that is not what yours said, right click at Windows Defender Service > click Properties >
    can you change the Startup type to Automatic and Service status to Start ?
    If yes, do so and click OK when done.
     
    davidhk, Aug 12, 2020
    #3
  4. AFORNAL
    afornal Win User

    Unable to activate window defender antivirus

    Defender AntiVirus

    There are 4 options under Defender. Two refer to AntiVirus; AntiVirus Network Inspection Service & AntiVirus Services. Under Startup Type these two are listed as manual and the Status column said Inspection Service is running. When I clicked on the Start
    button in Properties, I got an immediate message: "Win.. Def.. Anti.. Serv.. on local comp.. started and then stopped. Some services stop automatically if they are not in use by other services or programs."
     
    afornal, Aug 12, 2020
    #4
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Unable to activate window defender antivirus

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