I also have this same issue. I did not have another GUI installed, meaning I have no fallback package. No launcher or taskbar is present. Luckily, I can get access a terminal from the drop-down menu by right- clicking the desktop.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1749839 Title: 16.04: Installation of the 2/15/18 update to compiz forced removal of unity and ubuntu-desktop To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/compiz/+bug/1749839/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs