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Thread: Update manager Key Authentication

  1. #1
    Join Date
    Aug 2009
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    151
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    Ubuntu Development Release

    Exclamation Update manager Key Authentication

    Hi all. When I try to run update manager, I get the following error:

    W: GPG error: http://archive.canonical.com lucid Release: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 40976EAF437D05B5
    W: GPG error: http://cudlug.cudenver.edu lucid Release: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 40976EAF437D05B5
    W: GPG error: http://cudlug.cudenver.edu lucid-updates Release: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 40976EAF437D05B5
    W: GPG error: http://cudlug.cudenver.edu lucid-security Release: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 40976EAF437D05B5

    Ideas?

  2. #2
    Join Date
    Aug 2009
    Location
    United States
    Beans
    151
    Distro
    Ubuntu Development Release

    Re: Update manager Key Authentication

    This fixed it. Been looking for an hour and a half for this online.
    http://www.debianadmin.com/adding-ub...ositories.html

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