Ciao, anch'io mi trovo con lo stesso problema,ho risolto parzialmente reinstallando libreoffice scaricando manualmente i pacchetti tar.gz.
Volendo risolvere il problema delle repository, avete qualche consiglio:
Ti posto una serie di comandi:
francesco@francesco-Kubuntu:~$ cat /etc/apt/sources.list
# deb cdrom:[Kubuntu 11.04 _Natty Narwhal_ - Release amd64 (20110427.1)]/ natty main restricted
# See
http://help.ubuntu.com/community/UpgradeNotes for how to upgrade to
# newer versions of the distribution.
deb
http://it.archive.ubuntu.com/ubuntu/ oneiric main restricted
## Major bug fix updates produced after the final release of the
## distribution.
deb
http://it.archive.ubuntu.com/ubuntu/ oneiric-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://it.archive.ubuntu.com/ubuntu/ oneiric universe
deb
http://it.archive.ubuntu.com/ubuntu/ oneiric-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://it.archive.ubuntu.com/ubuntu/ oneiric multiverse
deb
http://it.archive.ubuntu.com/ubuntu/ oneiric-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://it.archive.ubuntu.com/ubuntu/ natty-backports main restricted universe multiverse
# deb-src
http://it.archive.ubuntu.com/ubuntu/ natty-backports main restricted universe multiverse
deb
http://it.archive.ubuntu.com/ubuntu/ oneiric-security main restricted
deb
http://it.archive.ubuntu.com/ubuntu/ oneiric-security universe
deb
http://it.archive.ubuntu.com/ubuntu/ oneiric-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 oneiric partner
deb-src
http://archive.canonical.com/ubuntu oneiric 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 oneiric main
deb-src
http://extras.ubuntu.com/ubuntu oneiric main
deb
http://archive.canonical.com/ oneiric partner
deb-src
http://archive.canonical.com/ oneiric partner
# Rog131's repo
deb
http://it.archive.ubuntu.com/ubuntu/ oneiric-proposed restricted main multiverse universe
deb
http://archive.ubuntu.com/ubuntu oneiric main universe restricted multiverse
deb
http://archive.ubuntu.com/ubuntu/ oneiric-security universe main multiverse restricted
deb
http://archive.ubuntu.com/ubuntu/ oneiric-updates universe main multiverse restricted
deb
http://archive.ubuntu.com/ubuntu/ oneiric-proposed universe main multiverse restricted
francesco@francesco-Kubuntu:~$
francesco@francesco-Kubuntu:~$ ls /etc/apt/sources.list.d
alexey-smirnov-deadbeef-natty.list.save kubuntu-ppa-ppa-natty.list.save
bean123ch-burg-natty.list.distUpgrade kubuntu-ppa-ppa-oneiric.list
bean123ch-burg-natty.list.save kubuntu-ppa-ppa-oneiric.list.distUpgrade
bean123ch-burg-oneiric.list kubuntu-ppa-ppa-oneiric.list.save
bean123ch-burg-oneiric.list.distUpgrade libreoffice-ppa-natty.list.distUpgrade
bean123ch-burg-oneiric.list.save libreoffice-ppa-natty.list.save
chimerarevo-vlc-natty.list.distUpgrade libreoffice-ppa-oneiric.list
chimerarevo-vlc-natty.list.save libreoffice-ppa-oneiric.list.save
chimerarevo-vlc-oneiric.list lkjoel-fix404-natty.list.distUpgrade
chimerarevo-vlc-oneiric.list.distUpgrade lkjoel-fix404-natty.list.save
chimerarevo-vlc-oneiric.list.save lkjoel-fix404-oneiric.list
ferramroberto-extra-natty.list.distUpgrade lkjoel-fix404-oneiric.list.distUpgrade
ferramroberto-extra-natty.list.save lkjoel-fix404-oneiric.list.save
ferramroberto-extra-oneiric.list medibuntu.list
ferramroberto-extra-oneiric.list.distUpgrade medibuntu.list.distUpgrade
ferramroberto-extra-oneiric.list.save medibuntu.list.save
ferramroberto-natty-natty.list.distUpgrade mefrio-g-plymouthmanager-natty.list.save
ferramroberto-natty-natty.list.save motumedia-mplayer-daily-natty.list.distUpgrade
ferramroberto-natty-oneiric.list motumedia-mplayer-daily-natty.list.save
ferramroberto-natty-oneiric.list.distUpgrade motumedia-mplayer-daily-oneiric.list
ferramroberto-natty-oneiric.list.save motumedia-mplayer-daily-oneiric.list.save
ferramroberto-nvidia-natty.list n-muench-burg-natty.list.distUpgrade
ferramroberto-nvidia-natty.list.distUpgrade n-muench-burg-natty.list.save
ferramroberto-nvidia-natty.list.save n-muench-burg-oneiric.list
ferramroberto-nvidia-oneiric.list n-muench-burg-oneiric.list.distUpgrade
ferramroberto-nvidia-oneiric.list.save n-muench-burg-oneiric.list.save
ferramroberto-radiotray-natty.list.distUpgrade playonlinux.list
ferramroberto-radiotray-natty.list.save playonlinux.list.save
ferramroberto-radiotray-oneiric.list samrog131-ppa-natty.list.distUpgrade
ferramroberto-radiotray-oneiric.list.distUpgrade samrog131-ppa-natty.list.save
ferramroberto-radiotray-oneiric.list.save samrog131-ppa-oneiric.list
ferramroberto-sopcast-natty.list.distUpgrade samrog131-ppa-oneiric.list.distUpgrade
ferramroberto-sopcast-natty.list.save samrog131-ppa-oneiric.list.save
ferramroberto-sopcast-oneiric.list sevenmachines-flash-natty.list.distUpgrade
ferramroberto-sopcast-oneiric.list.distUpgrade sevenmachines-flash-natty.list.save
ferramroberto-sopcast-oneiric.list.save sevenmachines-flash-oneiric.list
ferramroberto-vlc-natty.list.distUpgrade sevenmachines-flash-oneiric.list.save
ferramroberto-vlc-natty.list.save speed-dreams-ppa-natty.list.distUpgrade
ferramroberto-vlc-oneiric.list speed-dreams-ppa-natty.list.save
ferramroberto-vlc-oneiric.list.distUpgrade speed-dreams-ppa-oneiric.list
ferramroberto-vlc-oneiric.list.save speed-dreams-ppa-oneiric.list.distUpgrade
google-chrome.list speed-dreams-ppa-oneiric.list.save
google-chrome.list.distUpgrade tualatrix-ppa-natty.list.distUpgrade
google-chrome.list.save tualatrix-ppa-natty.list.save
google-earth.list tualatrix-ppa-oneiric.list
google-earth.list.distUpgrade tualatrix-ppa-oneiric.list.save
google-earth.list.save ubuntu-mozilla-security-ppa-natty.list.distUpgrade
ingalex-super-boot-manager-natty.list.distUpgrade ubuntu-mozilla-security-ppa-natty.list.save
ingalex-super-boot-manager-natty.list.save ubuntu-mozilla-security-ppa-oneiric.list
ingalex-super-boot-manager-oneiric.list ubuntu-mozilla-security-ppa-oneiric.list.distUpgrade
ingalex-super-boot-manager-oneiric.list.distUpgrade ubuntu-mozilla-security-ppa-oneiric.list.save
ingalex-super-boot-manager-oneiric.list.save ubuntu-tweak-stable.list.save
jason-scheunemann-ppa-oneiric.list ubuntu-wine-ppa-natty.list.distUpgrade
jason-scheunemann-ppa-oneiric.list.save ubuntu-wine-ppa-natty.list.save
jd-team-jdownloader-natty.list.distUpgrade ubuntu-wine-ppa-oneiric.list.save
jd-team-jdownloader-natty.list.save ubuntu-x-swat-x-updates-natty.list.distUpgrade
jd-team-jdownloader-oneiric.list ubuntu-x-swat-x-updates-natty.list.save
jd-team-jdownloader-oneiric.list.save ubuntu-x-swat-x-updates-oneiric.list
kubuntu-ppa-backports-natty.list.distUpgrade ubuntu-x-swat-x-updates-oneiric.list.save
kubuntu-ppa-backports-natty.list.save videolan-master-daily-natty.list.save
kubuntu-ppa-backports-oneiric.list yorba-ppa-natty.list.distUpgrade
kubuntu-ppa-backports-oneiric.list.distUpgrade yorba-ppa-natty.list.save
kubuntu-ppa-backports-oneiric.list.save yorba-ppa-oneiric.list
kubuntu-ppa-ppa-natty.list.distUpgrade yorba-ppa-oneiric.list.save
francesco@francesco-Kubuntu:~$
francesco@francesco-Kubuntu:~$ dpkg -l | grep libreoffice
ii libreoffice-debian-menus 3.4-302 LibreOffice desktop integration
ii libreoffice-l10n-common 1:3.4.4~rc1-0ubuntu1~ppa1 common files for LibreOffice language and help packages
ii libreoffice3.4 3.4.3-302 Brand module for LibreOffice 3.4
ii libreoffice3.4-base 3.4.3-302 Base brand module for LibreOffice 3.4
ii libreoffice3.4-calc 3.4.3-302 Calc brand module for LibreOffice 3.4
ii libreoffice3.4-dict-en 3.4.3-302 En dictionary for LibreOffice 3.4
ii libreoffice3.4-dict-es 3.4.3-302 Es dictionary for LibreOffice 3.4
ii libreoffice3.4-dict-fr 3.4.3-302 Fr dictionary for LibreOffice 3.4
ii libreoffice3.4-dict-it 3.4.3-302 It dictionary for LibreOffice 3.4
ii libreoffice3.4-draw 3.4.3-302 Draw brand module for LibreOffice 3.4
ii libreoffice3.4-en-us 3.4.3-302 Brand language module for LibreOffice 3.4
ii libreoffice3.4-impress 3.4.3-302 Impress brand module for LibreOffice 3.4
ii libreoffice3.4-it 3.4.3-302 Brand language module for LibreOffice 3.4
ii libreoffice3.4-math 3.4.3-302 Math brand module for LibreOffice 3.4
ii libreoffice3.4-ure 3.4.3-302 UNO Runtime Environment
ii libreoffice3.4-writer 3.4.3-302 Writer brand module for LibreOffice 3.4
francesco@francesco-Kubuntu:~$
francesco@francesco-Kubuntu:~$ sudo apt-get dist-upgrade
[sudo] password for francesco:
Lettura elenco dei pacchetti... Fatto
Generazione albero delle dipendenze
Lettura informazioni sullo stato... Fatto
Calcolo dell'aggiornamento... Eseguito
0 aggiornati, 0 installati, 0 da rimuovere e 0 non aggiornati.
francesco@francesco-Kubuntu:~$
francesco@francesco-Kubuntu:~$ sudo apt-get -f install
Lettura elenco dei pacchetti... Fatto
Generazione albero delle dipendenze
Lettura informazioni sullo stato... Fatto
0 aggiornati, 0 installati, 0 da rimuovere e 0 non aggiornati.
francesco@francesco-Kubuntu:~$
Grazie
ma dai comandi che hai postato non hai problemi. ottieni errori quando cerchi di installare pacchetti?