Your sources.list has too many duplicate entries, try replacing it with the following and then do a "sudo apt-get update".
# This sources.list was generated for you by Sorgen-1.1.0 - Coded by Kiwinote # the ubuntu repository deb http://fr.archive.ubuntu.com/ubuntu gutsy main restricted universe multiverse deb-src http://fr.archive.ubuntu.com/ubuntu gutsy main restricted universe multiverse # the ubuntu updates repository deb http://fr.archive.ubuntu.com/ubuntu gutsy-updates main restricted universe multiverse deb-src http://fr.archive.ubuntu.com/ubuntu gutsy-updates main restricted universe multiverse # the ubuntu security repository deb http://security.ubuntu.com/ubuntu gutsy-security main restricted universe multiverse deb-src http://security.ubuntu.com/ubuntu gutsy-security main restricted universe multiverse # the canonical partner repository deb http://archive.canonical.com gutsy partner deb-src http://archive.canonical.com gutsy partner -- Un bogue lors de la mise à jour https://bugs.launchpad.net/bugs/155129 You received this bug notification because you are a member of Ubuntu Bugs, which is the bug contact for Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs