The same thing happened to me on both of my Intrepid systems, one of which was freshly installed from an earlier Intrepid alpha. I do have gtk2-engines-murrine installed:
ii gtk2-engines-murrine 0.53.1+svn20080529-0ubuntu3 cairo-based gtk+-2.0 theme engine ** Changed in: gnome-control-center (Ubuntu) Sourcepackagename: None => gnome-control-center Importance: Undecided => Medium Status: New => Triaged ** Tags added: regression -- window manager theme -Human Murrine- is not installed https://bugs.launchpad.net/bugs/266954 You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs