Sorry If I am wasting people time but I have just been reading bug #1886154 This is the same issue I had when I started to install a package (libdvd-pkg) and was only resolved when I followed the instructions above. Could it be that they are connected?
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1885234 Title: package zsys 0.4.6 failed to install/upgrade: installed zsys package post-installation script subprocess returned error exit status 1 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/grub2/+bug/1885234/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
