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Possible Duplicate:
What is the easiest way to resolve apt-get BADSIG GPG errors?

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Why can't Ubuntu update some repositories? especially from, PPA Tualatrix for Ubuntu Tweak, and Docky PPA.

In below, shows all my authentic keys, is any wrong?

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sorry for my english

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marked as duplicate by Tom Brossman, con-f-use, Ringtail, Jorge Castro, Mitch Oct 24 '12 at 19:06

This question has been asked before and already has an answer. If those answers do not fully address your question, please ask a new question.

It appears that something must have broken your keys.

Try this:

sudo apt-key adv --recv-keys --keyserver 16126D3A3E5C1192
sudo apt-key adv --recv-keys --keyserver 6AF0E1940624A220
sudo apt-key adv --recv-keys --keyserver 608BF7B93528AE20
sudo apt-key adv --recv-keys --keyserver 3BDAAC08614C4B38
sudo apt-get update
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thank you.. just it? is there anything to do? like remove old authenthic key? could i know? which repository are keys for? – obysr Jul 3 '12 at 20:38
That should just redownload the keys needed. Hopefully you shouldn't have to do anything else, although there are other solutions in the link that Jorge added to my answer. The keys match up to the repos from the error. i.e. where it says "BADSIG 6AF0E1940624A220" you use that for the key to download. – reverendj1 Jul 3 '12 at 20:46
still have same problem sir – obysr Jul 3 '12 at 20:51
Did you look at the link? It provides other solutions to your problem. – reverendj1 Jul 3 '12 at 21:03
thank you.. so i won't accept it and maybe it will be remove by admin son :) – obysr Jul 3 '12 at 21:34

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