kcontrol -> Desktop -> Panels takes me to a virtually empty window. Other users on the same system have no problem. Right-clicking on the panel produces a window with just one tab (Taskbar). This seems to have happened after upgrading to 3.5.1 on a Fedora 4 system using RPMS from http://apt.kde-redhat.org/apt/kde-redhat/all/stable/ Bob T.