Hello, When I start umbrello from the desktop it just shows the bouncy cursor for a moment then nothing happens, from the command line it shows the following. $ umbrello umbrello(4508)/kdeui (kdelibs): Attempt to use QAction "edit_undo" with KXMLGUIFactory! umbrello(4508)/kdeui (kdelibs): Attempt to use QAction "edit_redo" with KXMLGUIFactory! umbrello(4508) UMLListView::findView: could not find "class diagram" in UMLListViewItem: "Logical View", type="lvt_Logical_View", id="Logical View", children=1 umbrello(4508) UMLListView::findView: could not find "class diagram" in UMLListViewItem: "Logical View", type="lvt_Logical_View", id="Logical View", children=1 I've tried to reinstall it from kdesdk-umbrello package, but it didn't do anything. Any suggestions ?