W: Failed to fetch http://ppa.launchpad.net/nilarimogard/webupd8/ubuntu/dists/precise/main/source/Sources  404  Not Found

W: Failed to fetch http://ppa.launchpad.net/team-xbmc/ppa/ubuntu/dists/precise/main/binary-i386/Packages  404  Not Found

W: Failed to fetch http://packages.linuxmint.com/dists/maya/import/binary-amd64/Packages  404  Not Found

W: Failed to fetch http://packages.linuxmint.com/dists/maya/backport/binary-amd64/Packages  404  Not Found

W: Failed to fetch http://packages.linuxmint.com/dists/maya/main/binary-i386/Packages  Bad header line

W: Failed to fetch http://packages.linuxmint.com/dists/maya/upstream/binary-i386/Packages  0  Not Found

W: Failed to fetch http://packages.linuxmint.com/dists/maya/import/binary-i386/Packages  0  Not Found

W: Failed to fetch http://packages.linuxmint.com/dists/maya/backport/binary-i386/Packages  Got a single header line over 360 chars

E: Some index files failed to download. They have been ignored, or old ones used instead.