Gnome has the same problem Selecting Kubuntu Human using the gnome-theme selector also causes gnome to crash. On subsequent logins, nothing displays.
One also has to edit desktop/gnome/interface/%gconf.xml to make it work again -- Choosing Kubuntu Human icon theme crashes xfce4 https://launchpad.net/bugs/66193 -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
