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Thread: Windows Defender Update error 0x80040111

  1. #1
    Join Date
    Sep 2005
    Posts
    110

    Windows Defender Update error 0x80040111

    If I am trying to get Windows Defender to update then I am getting an error code: 0x80040111 and the popup in the right lower corner said that the program is not able to check for updates, even though the laptop that I have both run via the same hub, except the laptop is wireless. Any ideas? Thanks.

  2. #2
    Join Date
    Sep 2005
    Posts
    1,434

    Re: Windows Defender Update error 0x80040111

    Have you tried to uninstall Defender and then go to Microsoft's web site to re-download it. This should fix the modules of the Defender.

  3. #3
    Join Date
    May 2006
    Posts
    976

    Re: Windows Defender Update error 0x80040111

    You can try to follow the below steps to solve this issue:

    How to troubleshoot definition update issues for Windows Defender
    http://support.microsoft.com/kb/918355

    How to manually download the latest definition updates for Windows Defender
    http://support.microsoft.com/kb/923159

    Troubleshooting Windows Defender
    http://support.microsoft.com/kb/555957

  4. #4
    Join Date
    Sep 2005
    Posts
    110

    Re: Windows Defender Update error 0x80040111

    I tried everything but that didnt work for me. I tried to uninstall and then install, have also tried to uninstall, restarted and then installed, and have also done a uninstall ran regclean, and then restarted then installed but it didnt work.

  5. #5
    Join Date
    Oct 2005
    Posts
    1,217
    Try to follow the below link for the article "Issues installing updates after repairing XP":
    http://blogs.technet.com/mu/archive/...airing-xp.aspx

  6. #6
    Join Date
    Jan 2006
    Posts
    830
    You can try to contact Microsoft for support. I believe there is a no-charge support for Windows Update issues. Or you may want to try another Repair install then try the following article after the repair install.

    Issues installing updates after repairing XP
    http://blogs.technet.com/mu/archive/...airing-xp.aspx

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