Reply 18/02/2020 This is what the GLADE installation listing should look like after a complete/functional/tested installation of LinuxCNC, including the HAL widgets, etc. for custom control graphics (very helpful for the RaspberryPi3B+/4B platforms). Please follow the instructions/contemporaneously-recorded-steps in the companion file. ************************************ administrator@cmbUBUNTU-CNC-0:~$ dpkg -l | grep glade ii gir1.2-gladeui-2.0:amd64 3.22.1-1 amd64 GObject introspection data for the GTK+ User Interface library ii glade 3.16.1-0ubuntu2 amd64 GTK+ User Interface Builder ii glade-gtk2 3.8.0-0ubuntu6 amd64 GTK+ 2 User Interface Builder ii glade3 3.8.6-1 amd64 glade3-3.8.6 for use with LinuxCNC 10Sep2018 CMB ii libglade2-0:amd64 1:2.6.4-2 amd64 library to load .glade files at runtime ii libglade2-dev:amd64 1:2.6.4-2 amd64 development files for libglade ii libgladeui-1-11 3.8.0-0ubuntu6 amd64 GTK+ User Interface Build core library ii libgladeui-2-6:amd64 3.22.1-1 amd64 GTK+ User Interface Build core library ii libgladeui-common 3.22.1-1 all GTK+ User Interface Build core library (common files) ii libgladeui-dev:amd64 3.22.1-1 amd64 GTK+ User Interface Build core library (development files) ii libgladeui-doc 3.22.1-1 all GTK+ User Interface Build core library (documentation) ii python-glade2 2.24.0-5.1ubuntu2 amd64 GTK+ bindings: Glade support ************************************ Regards Aesculap Tuesday 18/02/2020 19:11:30 ACDT ************************************