FWIW I just found this issue in Bionic. BTW error messages like "Sharing service installation has failed" drive me nuts.
** Package changed: samba (Ubuntu) => nautilus-share (Ubuntu) -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/855994 Title: Sharing service installation failed To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/nautilus-share/+bug/855994/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs