Possible Duplicate:
How can I fix a 404 Error using a PPA?
How do I fix this error?
W:Failed to fetch http://ppa.launchpad.net/deluge-team/ppa/ubuntu/dists/quantal/main/source/Sources 404 Not Found,
W:Failed to fetch http://ppa.launchpad.net/deluge-team/ppa/ubuntu/dists/quantal/main/binary-amd64/Packages 404 Not Found,
W:Failed to fetch http://ppa.launchpad.net/deluge-team/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.
The same error occur when I tried,
sudo apt-get update && sudo apt-get upgrade
deluge-team
is not working properly so better remove that ppa from thesources.list
or viaadd-apt-repository --remove theDelugeTeamPPA
andsudo apt-get update
again. – nickanor Dec 25 '12 at 12:52