Comment 9 for bug 1161776

I have been getting a red triangle with an exclamation mark and I click it I get this message. Ubuntu 13.10

Failed to download repository information
Check your Internet connection.
W:Failed to fetch http://ppa.launchpad.net/ubuntu-audio-dev/ppa/ubuntu/dists/saucy/main/binary-amd64/Packages 404 Not Found
, W:Failed to fetch http://ppa.launchpad.net/ubuntu-audio-dev/ppa/ubuntu/dists/saucy/main/binary-i386/Packages 404 Not Found
, E:Some index files failed to download. They have been ignored, or old ones used instead.

I go and try to add these repositories and they don't exist.