It sounds like some core packages got removed during the upgrade process. That has happened in the past due to unresolvable dependency issues. But it's relatively rare.
Please try: sudo apt update sudo apt install --reinstall ubuntu-session ubuntu-desktop and reboot. If the problem is still not solved then I would recommend installing the official release from: https://ubuntu.com/download/desktop -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/2079856 Title: missing Ubuntu desktop To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+bug/2079856/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
