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Thread: Microsoft Security Essentials update ends with Error code 8004FF80

  1. #1
    Junior Member
    Join Date
    Sep 2013
    Posts
    12

    Microsoft Security Essentials update ends with Error code 8004FF80

    MSE is giving me 8004FF80 error when I am trying to update it. The installation here was proper. Error description is Update KB2691905 Failed. It looks MSE is unable to download or install a new update in the system. That is why it ended up in the error. I had tried this to do a number of time but still it is falling. My internet connection is working fine. I am able to add other updates but this one is not working.

  2. #2
    Junior Member
    Join Date
    Mar 2012
    Posts
    23

    Re: Microsoft Security Essentials update ends with Error code 8004FF80

    Security Essentials can give you this kind of error if it is not installed properly or if there are certain damage system files in the system. The first thing you can do is re-install it.

    Go in Control Panel > Uninstall a program and remove the security application. Then install it back again and try to re-update it. I think this will be enough to fix the problem. Just get the latest version from Microsoft site.

  3. #3

    Re: Microsoft Security Essentials update ends with Error code 8004FF80

    Quote Originally Posted by Gambheer View Post
    MSE is giving me 8004FF80 error when I am trying to update it. The installation here was proper. Error description is Update KB2691905 Failed. It looks MSE is unable to download or install a new update in the system.
    Remove Microsoft Security Essentials first and then check your system for any infection. I hope you are having a antivirus in your pc. If not then there can be some possibilities of malware. Scan your system with Kaspersky Rescue Disk. It is a bootable scanner which will help you to locate virus at the core level. Once scan is done then try to re-install the application back again.

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