After a reboot, I managed to uninstall with apt-get purge followed by an autoremove to remove the dependencies. There may well be problems with nanny, which is why I don't think I'll try again, but the synaptic problem that triggered this bug report seems to have been resolved satisfactorily.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/830961 Title: package nanny 2.31.1-0ubuntu4 failed to install/upgrade: subprocess installed pre-removal script returned error exit status 1 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/nanny/+bug/830961/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs