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Thread: Software Updater Error

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i got error today:
w:gpg error: http://ppa.launchpad.net quantal release: following signatures couldn't verified because public key not available: no_pubkey c2518248eea14886, w:failed fetch http://ppa.launchpad.net/merlwiz79/c...source/sources 404 not found
, w:failed fetch http://ppa.launchpad.net/merlwiz79/c...amd64/packages 404 not found
, w:failed fetch http://ppa.launchpad.net/merlwiz79/c...-i386/packages 404 not found
, e:some index files failed download. have been ignored, or old ones used instead.
after sleuthing, me thinks has either new version of libre-office (4.0) installed (instead of waiting updater so), or mint cinnamom desktop, added log in choice quick tryout.

planning on un-installing cinnamon today anyway. or how guys recommend proceed?

very common question http://askubuntu.com/questions/13065...rror-no-pubkey

, check ppa have "quantal" repo indeed (an other common error )


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