Thank you for taking the time to report this bug and helping to make
Ubuntu better. It seems that there was an error on your system when
trying to install a particular package. Please execute the following
command, as it will clear your package cache, in a terminal:
sudo apt-get clean
Then try
From DpkgTerminalLog.txt:
Paramétrage de cups-client (1.3.9-2ubuntu4) ...
chown: ne peut accéder `/usr/bin/lppasswd': Aucun fichier ou dossier de ce type
dpkg : erreur de traitement de cups-client (--configure) :
le sous-processus post-installation script a retourné une erreur de sortie
d'état
** Attachment added: Dependencies.txt
http://launchpadlibrarian.net/20340999/Dependencies.txt
** Attachment added: DpkgTerminalLog.txt
http://launchpadlibrarian.net/20341000/DpkgTerminalLog.txt
--
package cups-client 1.3.9-2ubuntu4 failed to install/upgrade: le sous-processus