You have a locally built Octave installed under /usr/local/bin/octave, which is conflicting with the apt installation of octave from the Ubuntu repositories. Please try removing that local installation before upgrading, or remove it and then "dpkg --configure -a".
** Changed in: octave (Ubuntu) Status: New => Incomplete -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1687404 Title: package octave 4.0.3-3ubuntu1 failed to install/upgrade: le sous- processus script post-installation installé a retourné une erreur de sortie d'état 1 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/octave/+bug/1687404/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs