I keep getting 404 errors when I try run the software updater. The update manager errors with
W:Failed to fetch http://security.ubuntu.com/ubuntu/dists/quantal-security/main/binary-amd64/Packages 404 Not Found [IP: 91.189.91.13 80]
, W:Failed to fetch http://security.ubuntu.com/ubuntu/dists/quantal-security/restricted/binary-amd64/Packages 404 Not Found [IP: 91.189.91.13 80]
, W:Failed to fetch http://security.ubuntu.com/ubuntu/dists/quantal-security/universe/binary-amd64/Packages 404 Not Found [IP: 91.189.91.13 80]
, W:Failed to fetch http://security.ubuntu.com/ubuntu/dists/quantal-security/multiverse/binary-amd64/Packages 404 Not Found [IP: 91.189.91.13 80]
, W:Failed to fetch http://ppa.launchpad.net/lkjoel/fix404/ubuntu/dists/quantal/main/source/Sources 404 Not Found
, W:Failed to fetch http://ppa.launchpad.net/lkjoel/fix404/ubuntu/dists/quantal/main/binary-amd64/Packages 404 Not Found
, W:Failed to fetch http://archive.ubuntu.com/ubuntu/dists/quantal/main/binary-amd64/Packages 404 Not Found [IP: 91.189.88.149 80]
, W:Failed to fetch http://archive.ubuntu.com/ubuntu/dists/quantal/restricted/binary-amd64/Packages 404 Not Found [IP: 91.189.88.149 80]
, W:Failed to fetch http://archive.ubuntu.com/ubuntu/dists/quantal/universe/binary-amd64/Packages 404 Not Found [IP: 91.189.88.149 80]
, W:Failed to fetch http://archive.ubuntu.com/ubuntu/dists/quantal/multiverse/binary-amd64/Packages 404 Not Found [IP: 91.189.88.149 80]
, W:Failed to fetch http://archive.ubuntu.com/ubuntu/dists/quantal-updates/main/binary-amd64/Packages 404 Not Found [IP: 91.189.88.149 80]
, W:Failed to fetch http://archive.ubuntu.com/ubuntu/dists/quantal-updates/restricted/binary-amd64/Packages 404 Not Found [IP: 91.189.88.149 80]
, W:Failed to fetch http://archive.ubuntu.com/ubuntu/dists/quantal-updates/universe/binary-amd64/Packages 404 Not Found [IP: 91.189.88.149 80]
, W:Failed to fetch http://archive.ubuntu.com/ubuntu/dists/quantal-updates/multiverse/binary-amd64/Packages 404 Not Found [IP: 91.189.88.149 80]
, E:Some
index files failed to download. They have been ignored, or old ones used instead.
I tried apt-get clean, apt-get update. Can anyone suggest something else to try?
I'm using Ubuntu version 12.10 and I'm trying to upgrade to the latest version.