Hi, I have the same problem - three apps crashed while I was changing the theme from Human to "high Contrast" and back. I also have Gtk-Qt Theme installed (in KDE), and this was selected before, so perhaps this had something to do with it.
This also happened after an upgrade from Dapper to Edgy. Jens ** Attachment added: "Gnome bug trace" http://librarian.launchpad.net/4971561/_usr_bin_gnome-theme-manager.1000.crash -- Control Center Crashed when I was in the Themes applet https://launchpad.net/bugs/62108 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs