I see this same issue (exit with code 4). Installing the older (i.e. precise) packages has worked around the issue for me too. The quantal packages appear to be bugged.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1068466 Title: none of the emulators start, even with ROMS To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/vice/+bug/1068466/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs