I have installed avahi-daemon, and selected it in the Services control panel, and I've restarted my PC, but I still see this error. I think it's a problem with the avahi-daemon startup.
-- Avahi warning when launching gobby https://launchpad.net/bugs/69457 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs