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Can't update software in 12.10. Get the "Failed to download repository information" with the following below. Tried searching with these responses, but to no avail. Any ideas?
W:Failed to fetch http://ppa.launchpad.net/gwibber-daily/ppa/ubuntu/dists/quantal/main/binary-amd64/Packages 404 Not Found , W:Failed to fetch http://ppa.launchpad.net/gwibber-daily/ppa/ubuntu/dists/quantal/main/binary-i386/Packages 404 Not Found , E:Some index files failed to download. They have been ignored, or old ones used instead.