I am using OpenSUSE Leap and the above code for "Hello" using GTK-binding works for me. On Wednesday, December 9, 2020, 8:30:29 AM CST, yvan Godin <yvan.godin@gmail.com> wrote: in reality posted my answer on a wrong list probably  totally new to Pharo and Smaltalk I wanted just try so this is not important   I wanted to test Gtk-binding. <https://github.com/pharo-spec/gtk-bindings> because I am interested by Gtk but not for specific project so no problem I can wait.  Load fine but the demo code provided on github hard crash the image with big crash dump ```    GtkApplication ensureRunning.   GtkRunLoop defer: [      GtkWindow new       title: 'Gtk3 Window';       add: (GtkBox newVertical          packStart: (GtkLabel newLabel: 'Hello!');          yourself);       showAll ] ``` for the sound I have try to add sdl2 and alsa lib and some libsound but without success. One more time this is not essential but sad. Very long time ago I have try Squeak and sound was working. -- Sent from: http://forum.world.st/Pharo-Smalltalk-Users-f1310670.html