Possible Duplicate:
How can I fix a 404 Error using a PPA?
I upgraded from Beta 2 to 12.04 final using the command sudo apt-get update && sudo apt-get upgrade
It appears everything upgraded except I get the following error message at the end.
W: Failed to fetch http://ppa.launchpad.net/unity-team/hud/ubuntu/dists/precise/main/source/Sources 404 Not Found
W: Failed to fetch http://ppa.launchpad.net/unity-team/hud/ubuntu/dists/precise/main/binary-amd64/Packages 404 Not Found
W: Failed to fetch http://ppa.launchpad.net/unity-team/hud/ubuntu/dists/precise/main/binary-i386/Packages 404 Not Found
E: Some index files failed to download. They have been ignored, or old ones used instead.
What does it mean and how do I proceed to fix it?
