thanks for the bug report but the issue you are facing is not caused by unity itself. its a crash in gnome-settings-daemon please report a bug with the .crash file in you /var/crash directory with the name gnome- settings-daemon in it.
** Changed in: unity (Ubuntu) Status: New => Invalid -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/735393 Title: Unity: top bar theme lost -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs