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Thread: Update Manager fails to update

  1. #1
    Join Date
    Nov 2012
    Beans
    4

    Update Manager fails to update

    Would appreciate any guidance on the following:

    -I am running Ubuntu 12.04 LTS
    -An icon consisting of a red exclamation point has appeared on the horizonal desktop bar, and tells me update information is outdated
    -When running update manager, updates are downloaded. But appear to fail to install. I do not always get an error message, but
    Update manager tells me last update was some time in the past, even though I have just run an update.

    The original cause of my troubles began when I rashly deleted some files to fix a perceived earlier problem:

    sudo rm /var/lib/apt/lists/us.archive.ubuntu.com_ubuntu_dists_precise-updates_restricted_i18n_Translation-en
    sudo rm /var/lib/apt/lists/extras.ubuntu.com_ubuntu_dists_precise_main_binary-i386_Packages

    Any guidance on how to get my updates working again would be greatly appreciated. Thank you.

  2. #2
    Join Date
    Jan 2009
    Location
    ::1
    Beans
    2,462

    Re: Update Manager fails to update

    Open a terminal, and run:

    Code:
    sudo apt-get update
    and post the output here

  3. #3
    Join Date
    Nov 2012
    Beans
    4

    Re: Update Manager fails to update

    Here is the tail of the ouput from sudo apt-get update:



    Reading package lists... Done
    W: A error occurred during the signature verification. The repository is not updated and the previous index files will be used. GPG error: http://extras.ubuntu.com precise Release: The following signatures were invalid: BADSIG 16126D3A3E5C1192 Ubuntu Extras Archive Automatic Signing Key <ftpmaster@ubuntu.com>

    W: Failed to fetch http://extras.ubuntu.com/ubuntu/dists/precise/Release

    W: Some index files failed to download. They have been ignored, or old ones used instead.


    Thanks.

  4. #4
    Join Date
    Oct 2011
    Location
    ZZ9 Plural Z Alpha
    Beans
    Hidden!
    Distro
    Ubuntu

    Re: Update Manager fails to update

    Looks like you have a GPG error. Ubunt uses a GPG (encryption protocol) key to check and make sure the server it's getting the updates from is genuine. Instructions on fixing this here.

  5. #5
    Join Date
    Nov 2012
    Beans
    4

    Re: Update Manager fails to update

    Yes! that worked.

    Thank you very much, cortman and sanderj.

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