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Thread: HELP loads of errors when ever i try and install updates etc

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when ever run updates etc these errors

w: gpg error: http://ppa.launchpad.net jaunty release: following signatures couldn't verified because public key not available: no_pubkey 6b15ab91951dc1e2
w: error occurred during signature verification. repository not updated , previous index files used.gpg error: http://deb.opera.com stable release: following signatures couldn't verified because public key not available: no_pubkey f9a2f76a9d1a0061

w: failed fetch http://deb.opera.com/opera/dists/stable/release

w: failed fetch http://deb.opera.com/opera-beta/dist...-i386/packages 404 not found

w: index files failed download, have been ignored, or old ones used instead.


don't understand telling me or how fix

or advice appriciated

thanks
keri

what's telling there isn't verification repositories on system. repositories updates , programs "come from." it's telling there isn't verification gpg key. must have been downloaded not key. re-install or repair using cd other i'm not sure.


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