That is the bug -- there is no way (AFAIK) to restore the default theme once it has been changed.
-- Default Gnome theme can not be restored https://bugs.launchpad.net/bugs/561823 You received this bug notification because you are a member of Ubuntu Desktop Bugs, which is subscribed to gnome-control-center in ubuntu. -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs