All addons installed and current. Tools->Package Manager - select the line below "Installed" and a msgbox with "error in: pm_sel_select" appears.
Help -> Studio ->Qt Demos - select the controls demo and a msgbox with "error in qtdemo_listbox_button" appears. This also affects the demos for edit, grid layout, image, mbox and tabs. ---------------------------------------------------------------------- For information about J forums see http://www.jsoftware.com/forums.htm
