On the following page Nat Gew explains the bug and explains how to resolve the upgrade.
http://askubuntu.com/questions/450109/when-attempting-upgrade- from-13-10-to-14-04-upgrade-halted-at-aborting-samba-li -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1354995 Title: package samba-libs (not installed) failed to install/upgrade: subprocess new pre-installation script returned error exit status 1 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/samba/+bug/1354995/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs