Windows 10: Problem Updating Microsoft Defender Antivirus

Discus and support Problem Updating Microsoft Defender Antivirus in AntiVirus, Firewalls and System Security to solve the problem; hello, I am currently on an old Image on Windows 10 basically the Antimalware Client isn't updated to its latest version. I don't know on how to... Discussion in 'AntiVirus, Firewalls and System Security' started by SatinWhistle656, Feb 21, 2021.

  1. SATINWHISTLE656
    SatinWhistle656 Win User

    Problem Updating Microsoft Defender Antivirus


    hello, I am currently on an old Image on Windows 10 basically the Antimalware Client isn't updated to its latest version. I don't know on how to install it as I seem to be running into a pickle of a update.


    My current version on the Microsoft Defender Antivirus Antimalware Client Version is 4.18.2011.6


    [Original Title: Microsoft Defender Antivirus]

    :)
     
    SatinWhistle656, Feb 21, 2021
    #1
  2. AFORNAL
    afornal Win User

    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, Feb 21, 2021
    #2
  3. MILTON
    Milton Win User
    definition update for windows denfender antivirus

    Hi mknic,
    I have literally just installed the definition update KB2267602 without any problem. I suggest as a first step checking all the Windows Defender settings to make sure they all have the 'green ticks' in each section.

    Problem Updating Microsoft Defender Antivirus [​IMG]




    ps. The only reason the 'Family Options' is not ticked is because I am the only user on my computer.

    I also would suggest running the 'Troubleshoot' feature in the Update & Security settings which has a section dealing with update problems.

    Problem Updating Microsoft Defender Antivirus [​IMG]
     
    Milton, Feb 21, 2021
    #3
  4. SILVERFOX2019
    silverfox2019 Win User

    Problem Updating Microsoft Defender Antivirus

    Security Intelligence Update for Winodws Defender Antivirus - KB226760

    My WIN10 PC, running v 1903 reported code 0x80070643 as it sought to download a Windows Defender Antivirus update. I didn't know Windows Defender Antivirus was running as I use only AVG. I manually downloaded WIN10 update v 1909 hoping the latest Microsoft WIN10 update would fix the problem but this hasn't helped. I have tried all suggestions made by Microsoft Community Forum, without success. I've also completed an "In-Play" (?) update of Windows, again without success.

    I guess I can just ignore the error message but it would good if there is a general solution if other users have suffered this problem.
     
    silverfox2019, Feb 21, 2021
    #4
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Problem Updating Microsoft Defender Antivirus

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