doug@Ubuntu:~$ cat /etc/apt/sources.list
# deb cdrom:[Kubuntu 12.10 _Quantal Quetzal_ - Release amd64 (20121017.1)]/ quantal main multiverse restricted universe

# See http://help.ubuntu.com/community/UpgradeNotes for how to upgrade to
# newer versions of the distribution.
deb http://ca.archive.ubuntu.com/ubuntu/ quantal main restricted
deb-src http://ca.archive.ubuntu.com/ubuntu/ quantal main restricted

## Major bug fix updates produced after the final release of the
## distribution.
deb http://ca.archive.ubuntu.com/ubuntu/ quantal-updates main restricted
deb-src http://ca.archive.ubuntu.com/ubuntu/ quantal-updates main restricted

## N.B. software from this repository is ENTIRELY UNSUPPORTED by the Ubuntu
## team. Also, please note that software in universe WILL NOT receive any
## review or updates from the Ubuntu security team.
deb http://ca.archive.ubuntu.com/ubuntu/ quantal universe
deb-src http://ca.archive.ubuntu.com/ubuntu/ quantal universe
deb http://ca.archive.ubuntu.com/ubuntu/ quantal-updates universe
deb-src http://ca.archive.ubuntu.com/ubuntu/ quantal-updates universe

## N.B. software from this repository is ENTIRELY UNSUPPORTED by the Ubuntu
## team, and may not be under a free licence. Please satisfy yourself as to
## your rights to use the software. Also, please note that software in
## multiverse WILL NOT receive any review or updates from the Ubuntu
## security team.
deb http://ca.archive.ubuntu.com/ubuntu/ quantal multiverse
deb-src http://ca.archive.ubuntu.com/ubuntu/ quantal multiverse
deb http://ca.archive.ubuntu.com/ubuntu/ quantal-updates multiverse
deb-src http://ca.archive.ubuntu.com/ubuntu/ quantal-updates multiverse

## N.B. software from this repository may not have been tested as
## extensively as that contained in the main release, although it includes
## newer versions of some applications which may provide useful features.
## Also, please note that software in backports WILL NOT receive any review
## or updates from the Ubuntu security team.
deb http://ca.archive.ubuntu.com/ubuntu/ quantal-backports main restricted universe multiverse
deb-src http://ca.archive.ubuntu.com/ubuntu/ quantal-backports main restricted universe multiverse

deb http://security.ubuntu.com/ubuntu quantal-security main restricted
deb-src http://security.ubuntu.com/ubuntu quantal-security main restricted
deb http://security.ubuntu.com/ubuntu quantal-security universe
deb-src http://security.ubuntu.com/ubuntu quantal-security universe
deb http://security.ubuntu.com/ubuntu quantal-security multiverse
deb-src http://security.ubuntu.com/ubuntu quantal-security multiverse

## Uncomment the following two lines to add software from Canonical's
## 'partner' repository.
## This software is not part of Ubuntu, but is offered by Canonical and the
## respective vendors as a service to Ubuntu users.
# deb http://archive.canonical.com/ubuntu quantal partner
# deb-src http://archive.canonical.com/ubuntu quantal partner

## This software is not part of Ubuntu, but is offered by third-party
## developers who want to ship their latest software.
deb http://extras.ubuntu.com/ubuntu quantal main
deb-src http://extras.ubuntu.com/ubuntu quantal main


and


doug@Ubuntu:~$ sudo apt-get update
Ign http://security.ubuntu.com quantal-security InRelease
Ign http://ppa.launchpad.net quantal InRelease
Ign http://extras.ubuntu.com quantal InRelease
Ign http://ca.archive.ubuntu.com quantal InRelease
Hit http://security.ubuntu.com quantal-security Release.gpg
Ign http://ppa.launchpad.net quantal Release.gpg
Hit http://extras.ubuntu.com quantal Release.gpg
Ign http://ca.archive.ubuntu.com quantal-updates InRelease
Hit http://security.ubuntu.com quantal-security Release
Ign http://ppa.launchpad.net quantal Release
Hit http://extras.ubuntu.com quantal Release
Ign http://ca.archive.ubuntu.com quantal-backports InRelease
Hit http://security.ubuntu.com quantal-security/main Sources
Hit http://extras.ubuntu.com quantal/main Sources
Hit http://ca.archive.ubuntu.com quantal Release.gpg
Hit http://extras.ubuntu.com quantal/main amd64 Packages
Hit http://security.ubuntu.com quantal-security/restricted Sources
Hit http://ca.archive.ubuntu.com quantal-updates Release.gpg
Hit http://extras.ubuntu.com quantal/main i386 Packages
Hit http://security.ubuntu.com quantal-security/universe Sources
Hit http://ca.archive.ubuntu.com quantal-backports Release.gpg
Hit http://security.ubuntu.com quantal-security/multiverse Sources
Hit http://ca.archive.ubuntu.com quantal Release
Hit http://security.ubuntu.com quantal-security/main amd64 Packages
Hit http://ca.archive.ubuntu.com quantal-updates Release
Hit http://security.ubuntu.com quantal-security/restricted amd64 Packages
Hit http://ca.archive.ubuntu.com quantal-backports Release
Hit http://security.ubuntu.com quantal-security/universe amd64 Packages
Hit http://ca.archive.ubuntu.com quantal/main Sources
Hit http://security.ubuntu.com quantal-security/multiverse amd64 Packages
Hit http://ca.archive.ubuntu.com quantal/restricted Sources
Hit http://security.ubuntu.com quantal-security/main i386 Packages
Hit http://ca.archive.ubuntu.com quantal/universe Sources
Hit http://security.ubuntu.com quantal-security/restricted i386 Packages
Hit http://ca.archive.ubuntu.com quantal/multiverse Sources
Ign http://extras.ubuntu.com quantal/main Translation-en_CA
Hit http://security.ubuntu.com quantal-security/universe i386 Packages
Hit http://ca.archive.ubuntu.com quantal/main amd64 Packages
Ign http://extras.ubuntu.com quantal/main Translation-en
Hit http://security.ubuntu.com quantal-security/multiverse i386 Packages
Hit http://ca.archive.ubuntu.com quantal/restricted amd64 Packages
Hit http://ca.archive.ubuntu.com quantal/universe amd64 Packages
Hit http://ca.archive.ubuntu.com quantal/multiverse amd64 Packages
Hit http://security.ubuntu.com quantal-security/main Translation-en
Hit http://ca.archive.ubuntu.com quantal/main i386 Packages
Hit http://security.ubuntu.com quantal-security/multiverse Translation-en
Hit http://ca.archive.ubuntu.com quantal/restricted i386 Packages
Hit http://ca.archive.ubuntu.com quantal/universe i386 Packages
Hit http://security.ubuntu.com quantal-security/restricted Translation-en
Hit http://ca.archive.ubuntu.com quantal/multiverse i386 Packages
Hit http://ca.archive.ubuntu.com quantal/main Translation-en_CA
Hit http://security.ubuntu.com quantal-security/universe Translation-en
Hit http://ca.archive.ubuntu.com quantal/main Translation-en
Err http://ppa.launchpad.net quantal/main Sources
  404  Not Found
Err http://ppa.launchpad.net quantal/main amd64 Packages
  404  Not Found
Hit http://ca.archive.ubuntu.com quantal/multiverse Translation-en
Err http://ppa.launchpad.net quantal/main i386 Packages
  404  Not Found
Ign http://ppa.launchpad.net quantal/main Translation-en_CA
Hit http://ca.archive.ubuntu.com quantal/restricted Translation-en
Ign http://ppa.launchpad.net quantal/main Translation-en
Hit http://ca.archive.ubuntu.com quantal/universe Translation-en_CA
Hit http://ca.archive.ubuntu.com quantal/universe Translation-en
Hit http://ca.archive.ubuntu.com quantal-updates/main Sources
Hit http://ca.archive.ubuntu.com quantal-updates/restricted Sources
Hit http://ca.archive.ubuntu.com quantal-updates/universe Sources
Hit http://ca.archive.ubuntu.com quantal-updates/multiverse Sources
Hit http://ca.archive.ubuntu.com quantal-updates/main amd64 Packages
Hit http://ca.archive.ubuntu.com quantal-updates/restricted amd64 Packages
Ign http://security.ubuntu.com quantal-security/main Translation-en_CA
Hit http://ca.archive.ubuntu.com quantal-updates/universe amd64 Packages
Ign http://security.ubuntu.com quantal-security/multiverse Translation-en_CA
Hit http://ca.archive.ubuntu.com quantal-updates/multiverse amd64 Packages
Ign http://security.ubuntu.com quantal-security/restricted Translation-en_CA
Hit http://ca.archive.ubuntu.com quantal-updates/main i386 Packages
Ign http://security.ubuntu.com quantal-security/universe Translation-en_CA
Hit http://ca.archive.ubuntu.com quantal-updates/restricted i386 Packages
Hit http://ca.archive.ubuntu.com quantal-updates/universe i386 Packages
Hit http://ca.archive.ubuntu.com quantal-updates/multiverse i386 Packages
Hit http://ca.archive.ubuntu.com quantal-updates/main Translation-en
Hit http://ca.archive.ubuntu.com quantal-updates/multiverse Translation-en
Hit http://ca.archive.ubuntu.com quantal-updates/restricted Translation-en
Hit http://ca.archive.ubuntu.com quantal-updates/universe Translation-en
Hit http://ca.archive.ubuntu.com quantal-backports/main Sources
Hit http://ca.archive.ubuntu.com quantal-backports/restricted Sources
Hit http://ca.archive.ubuntu.com quantal-backports/universe Sources
Hit http://ca.archive.ubuntu.com quantal-backports/multiverse Sources
Hit http://ca.archive.ubuntu.com quantal-backports/main amd64 Packages
Hit http://ca.archive.ubuntu.com quantal-backports/restricted amd64 Packages
Hit http://ca.archive.ubuntu.com quantal-backports/universe amd64 Packages
Hit http://ca.archive.ubuntu.com quantal-backports/multiverse amd64 Packages
Hit http://ca.archive.ubuntu.com quantal-backports/main i386 Packages
Hit http://ca.archive.ubuntu.com quantal-backports/restricted i386 Packages
Hit http://ca.archive.ubuntu.com quantal-backports/universe i386 Packages
Hit http://ca.archive.ubuntu.com quantal-backports/multiverse i386 Packages
Hit http://ca.archive.ubuntu.com quantal-backports/main Translation-en
Hit http://ca.archive.ubuntu.com quantal-backports/multiverse Translation-en
Hit http://ca.archive.ubuntu.com quantal-backports/restricted Translation-en
Hit http://ca.archive.ubuntu.com quantal-backports/universe Translation-en
Ign http://ca.archive.ubuntu.com quantal/multiverse Translation-en_CA
Ign http://ca.archive.ubuntu.com quantal/restricted Translation-en_CA
Ign http://ca.archive.ubuntu.com quantal-updates/main Translation-en_CA
Ign http://ca.archive.ubuntu.com quantal-updates/multiverse Translation-en_CA
Ign http://ca.archive.ubuntu.com quantal-updates/restricted Translation-en_CA
Ign http://ca.archive.ubuntu.com quantal-updates/universe Translation-en_CA
Ign http://ca.archive.ubuntu.com quantal-backports/main Translation-en_CA
Ign http://ca.archive.ubuntu.com quantal-backports/multiverse Translation-en_CA
Ign http://ca.archive.ubuntu.com quantal-backports/restricted Translation-en_CA
Ign http://ca.archive.ubuntu.com quantal-backports/universe Translation-en_CA
W: Failed to fetch http://ppa.launchpad.net/team-xbmc/ppa/ubuntu/dists/quantal/main/source/Sources  404  Not Found

W: Failed to fetch http://ppa.launchpad.net/team-xbmc/ppa/ubuntu/dists/quantal/main/binary-amd64/Packages  404  Not Found

W: Failed to fetch http://ppa.launchpad.net/team-xbmc/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.