Thans for your reply biophysics:
cat /etc/apt/sources.list
# deb cdrom:[Xubuntu 7.10 _Gutsy Gibbon_ - Release i386 (20071016)]/ gutsy main restricted
# See
http://help.ubuntu.com/community/UpgradeNotes for how to upgrade to
# newer versions of the distribution.
deb
http://es.archive.ubuntu.com/ubuntu/ gutsy restricted web main
deb-src
http://es.archive.ubuntu.com/ubuntu/ gutsy restricted
## Major bug fix updates produced after the final release of the
## distribution.
deb
http://es.archive.ubuntu.com/ubuntu/ gutsy-updates restricted web main
deb-src
http://es.archive.ubuntu.com/ubuntu/ gutsy-updates restricted
## 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
## universe WILL NOT receive any review or updates from the Ubuntu security
## team.
deb
http://es.archive.ubuntu.com/ubuntu/ gutsy universe
deb-src
http://es.archive.ubuntu.com/ubuntu/ gutsy universe
deb
http://es.archive.ubuntu.com/ubuntu/ gutsy-updates universe
deb-src
http://es.archive.ubuntu.com/ubuntu/ gutsy-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://es.archive.ubuntu.com/ubuntu/ gutsy multiverse
deb-src
http://es.archive.ubuntu.com/ubuntu/ gutsy multiverse
deb
http://es.archive.ubuntu.com/ubuntu/ gutsy-updates multiverse
deb-src
http://es.archive.ubuntu.com/ubuntu/ gutsy-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
http://es.archive.ubuntu.com/ubuntu/ gutsy-backports main restricted universe multiverse
# deb-src
http://es.archive.ubuntu.com/ubuntu/ gutsy-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
http://archive.canonical.com/ubuntu gutsy partner
# deb-src
http://archive.canonical.com/ubuntu gutsy partner
deb
http://es.archive.ubuntu.com/ubuntu/ gutsy-security restricted web main
deb-src
http://es.archive.ubuntu.com/ubuntu/ gutsy-security restricted
deb
http://es.archive.ubuntu.com/ubuntu/ gutsy-security universe
deb-src
http://es.archive.ubuntu.com/ubuntu/ gutsy-security universe
deb
http://es.archive.ubuntu.com/ubuntu/ gutsy-security multiverse
deb-src
http://es.archive.ubuntu.com/ubuntu/ gutsy-security multiverse
deb
http://packages.medibuntu.org/ gutsy free non-free
sudo apt-get update
Des:1
http://packages.medibuntu.org gutsy Release.gpg [189B]
Ign
http://packages.medibuntu.org gutsy/free Translation-ca
Ign
http://packages.medibuntu.org gutsy/non-free Translation-ca
Obj
http://packages.medibuntu.org gutsy Release
Ign
http://packages.medibuntu.org gutsy/free Packages
Ign
http://packages.medibuntu.org gutsy/non-free Packages
Obj
http://packages.medibuntu.org gutsy/free Packages
Obj
http://packages.medibuntu.org gutsy/non-free Packages
Des:2
http://es.archive.ubuntu.com gutsy Release.gpg [191B]
Ign
http://es.archive.ubuntu.com gutsy/restricted Translation-ca
Ign
http://es.archive.ubuntu.com gutsy/web Translation-ca
Obj
http://es.archive.ubuntu.com gutsy/main Translation-ca
Obj
http://es.archive.ubuntu.com gutsy/universe Translation-ca
Ign
http://es.archive.ubuntu.com gutsy/multiverse Translation-ca
Des:3
http://es.archive.ubuntu.com gutsy-updates Release.gpg [191B]
Ign
http://es.archive.ubuntu.com gutsy-updates/restricted Translation-ca
Ign
http://es.archive.ubuntu.com gutsy-updates/web Translation-ca
Ign
http://es.archive.ubuntu.com gutsy-updates/main Translation-ca
Ign
http://es.archive.ubuntu.com gutsy-updates/universe Translation-ca
Ign
http://es.archive.ubuntu.com gutsy-updates/multiverse Translation-ca
Des:4
http://es.archive.ubuntu.com gutsy-security Release.gpg [191B]
Ign
http://es.archive.ubuntu.com gutsy-security/restricted Translation-ca
Ign
http://es.archive.ubuntu.com gutsy-security/web Translation-ca
Ign
http://es.archive.ubuntu.com gutsy-security/main Translation-ca
Ign
http://es.archive.ubuntu.com gutsy-security/universe Translation-ca
Ign
http://es.archive.ubuntu.com gutsy-security/multiverse Translation-ca
Obj
http://es.archive.ubuntu.com gutsy Release
Obj
http://es.archive.ubuntu.com gutsy-updates Release
Obj
http://es.archive.ubuntu.com gutsy-security Release
Obj
http://es.archive.ubuntu.com gutsy/restricted Packages
Obj
http://es.archive.ubuntu.com gutsy-updates/restricted Packages
Obj
http://es.archive.ubuntu.com gutsy-security/restricted Packages
192B descarregats en 13s (14B/s)
No s'ha pogut obtenir
http://es.archive.ubuntu.com/ubuntu/dists/gutsy/Release Unable to find expected entry web/binary-i386/Packages in Meta-index file (malformed Release file?)
No s'ha pogut obtenir
http://es.archive.ubuntu.com/ubuntu/...pdates/Release Unable to find expected entry web/binary-i386/Packages in Meta-index file (malformed Release file?)
No s'ha pogut obtenir
http://es.archive.ubuntu.com/ubuntu/...curity/Release Unable to find expected entry web/binary-i386/Packages in Meta-index file (malformed Release file?)
S'està llegint la llista de paquets... Fet
E: No es poden descarregar alguns fitxers índex, s'han ignorat o en el seu lloc s'han usat els antics
Some translations: No s'ha pogut obtenir: Can't get.../S'està llegint la llista de paquets... Fet : Reading pack list...done / No es poden descarregar alguns fitxers índex, s'han ignorat o en el seu lloc s'han usat els antics: Can't download some index files, these will be ignored or olders will be used instead.