Windows 10: Windows Defender does not start automatically when starting Computer

Discus and support Windows Defender does not start automatically when starting Computer in AntiVirus, Firewalls and System Security to solve the problem; Hello, I think I deleted the Windows Defender Autostart file from the registry accidentally. From:... Discussion in 'AntiVirus, Firewalls and System Security' started by RahulVikhe, Jun 14, 2020.

  1. RAHULVIKHE
    RahulVikhe Win User

    Windows Defender does not start automatically when starting Computer


    Hello,

    I think I deleted the Windows Defender Autostart file from the registry accidentally. From:



    HKEY_LOCAL_MACHINE\Software\Microsoft\Windows NT\CurrentVersion/run

    How do I enable it back, Windows Defender does not start automatically


    Thanks

    :)
     
    RahulVikhe, Jun 14, 2020
    #1
  2. 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


    Windows Defender does not start automatically when starting Computer [​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, Jun 14, 2020
    #2
  3. P4-630
    P4-630 Win User
    SEtting up automatic updates for windows defender on windows 8

    I have found this on the internet en have set up a task for automatic definitions update for Windows Defender but a window pops up when this starts to run.
    Is there a way to set this without any window popping up so that it just runs in the background?

    Now I'm using
    "C:\Program Files\Windows Defender\MpCmdRun.exe" -SignatureUpdate -MMPC

    I'm currrently using it as described here:
    https://forum.raymond.cc/threads/let-your-windows-8-defender-update-itself-automatically.34359/
     
    P4-630, Jun 14, 2020
    #3
  4. BREE
    Bree Win User

    Windows Defender does not start automatically when starting Computer

    How to start Windows Defender automatically?

    As it happens, there's a similar conversation on another thread. My Automatic Maintenance performs a Defender quick scan without anything in Task Scheduler.

    And I DID try leaving mine on overnight - though I didn't have your 'Defender needs to do a scan...' notification. I suggest you start the scan by clicking on your notification then try the 'turn off protection and reboot' tip from earlier. The I'd expect you to get the same results as I do...

    Others have reported that the automatic maintenance scan is in addition to any scans you may have set up in Task Scheduler (not that I have scheduled any myself).
     
    Bree, Jun 14, 2020
    #4
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Windows Defender does not start automatically when starting Computer

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