Problema actualizacion

Aqui lo tienes:

# deb cdrom:[Ubuntu 10.04 LTS _Lucid Lynx_ - Release i386 (20100429)]/ lucid main restricted
# See help.ubuntu.com/community/UpgradeNotes for how to upgrade to
# newer versions of the distribution.

deb ftp.caliu.cat/pub/distribucions/ubuntu/archive/ lucid main restricted
deb-src ftp.caliu.cat/pub/distribucions/ubuntu/archive/ lucid main restricted

## Major bug fix updates produced after the final release of the
## distribution.
deb ftp.caliu.cat/pub/distribucions/ubuntu/archive/ lucid-updates main restricted
deb-src ftp.caliu.cat/pub/distribucions/ubuntu/archive/ lucid-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 ftp.caliu.cat/pub/distribucions/ubuntu/archive/ lucid universe
deb-src ftp.caliu.cat/pub/distribucions/ubuntu/archive/ lucid universe
deb ftp.caliu.cat/pub/distribucions/ubuntu/archive/ lucid-updates universe
deb-src ftp.caliu.cat/pub/distribucions/ubuntu/archive/ lucid-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 ftp.caliu.cat/pub/distribucions/ubuntu/archive/ lucid multiverse
deb-src ftp.caliu.cat/pub/distribucions/ubuntu/archive/ lucid multiverse
deb ftp.caliu.cat/pub/distribucions/ubuntu/archive/ lucid-updates multiverse
deb-src ftp.caliu.cat/pub/distribucions/ubuntu/archive/ lucid-updates multiverse

## Uncomment the following two lines to add software from the 'backports'
## repository.
## 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 es.archive.ubuntu.com/ubuntu/ lucid-backports main restricted universe multiverse
# deb-src es.archive.ubuntu.com/ubuntu/ lucid-backports main restricted universe 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 archive.canonical.com/ubuntu lucid partner
# deb-src archive.canonical.com/ubuntu lucid partner

deb ftp.caliu.cat/pub/distribucions/ubuntu/archive/ lucid-security main restricted
deb-src ftp.caliu.cat/pub/distribucions/ubuntu/archive/ lucid-security main restricted
deb ftp.caliu.cat/pub/distribucions/ubuntu/archive/ lucid-security universe
deb-src ftp.caliu.cat/pub/distribucions/ubuntu/archive/ lucid-security universe
deb ftp.caliu.cat/pub/distribucions/ubuntu/archive/ lucid-security multiverse
deb-src ftp.caliu.cat/pub/distribucions/ubuntu/archive/ lucid-security multiverse
deb ppa.launchpad.net/ubuntu-mozilla-daily/ppa/ubuntu karmic main
deb-src ppa.launchpad.net/ubuntu-mozilla-daily/ppa/ubuntu karmic main

## BACKPORTS (paquetes viejos, no incluidos en Dapper y que pueden causar daño. Usar bajo propia responsabilidad)
deb archive.ubuntu.com/ubuntu edgy-backports main restricted universe multiverse
deb-src archive.ubuntu.com/ubuntu edgy-backports main restricted universe multiverse

## PLF (paquetes no soportados por ser privados y no libres)
deb packages.freecontrib.org/plf edgy free non-free
deb-src packages.freecontrib.org/plf edgy free non-free

## CANNONICAL COMMERCIAL (paquetes ofrecidos por Canonical, no por Ubuntu)
## incluye: RealPlayer 10, Opera, etc.
deb archive.canonical.com/ubuntu edgy-commercial main