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The error in the log is: Préparation du remplacement de libpam-modules 1.1.1-4ubuntu1 (en utilisant .../libpam-modules_1.1.1-4ubuntu2_i386.deb) ... debconf: DbDriver "config": /var/cache/debconf/config.dat is locked by another process: Resource temporarily unavailable dpkg : erreur de traitement de /var/cache/apt/archives/libpam-modules_1.1.1-4ubuntu2_i386.deb (--unpack) : le sous-processus nouveau script pre-installation a retourné une erreur de sortie d'état 1 This is not a bug in pam, but indicates that something else has the debconf database locked. We need to know what that is in order to further debug this. Can you please run the following command from the command line, and post the output?: sudo fuser -v /var/cache/debconf/config.dat ** Changed in: pam (Ubuntu) Status: New => Incomplete -- package libpam-modules 1.1.1-4ubuntu1 failed to install/upgrade: le sous-processus nouveau script pre-installation a retourné une erreur de sortie d'état 1 https://bugs.launchpad.net/bugs/682857 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs