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gpg error : no pub_key

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01 Staff (not verified)

Oct 06, 2017 - 10:21am

  • 01 Staff's picture
    01 Staff (not verified)

    W: GPG error: zesty InRelease: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 611B903CAB97EA77
    W: The repository ' zesty InRelease' is not signed.
    N: Data from such a repository can't be authenticated and is therefore potentially dangerous to use.
    N: See apt-secure(8) manpage for repository creation and user configuration details.

    ive tried installing the intel graphic driver update tool n i get this error


    please help

    Oct 06, 2017 - 10:21am