In ubuntu, qt5-default package is not installing, and without it the geant4 GUI does not show any visualization, just a blinking blank screen. what can be done in this situation?

_Geant4 Version:_11.2.2
_Operating System:_ubuntu
_CMake Version:_3.28.9

Hi Satish

Have a look at Problem with QT on ubuntu. It may be the same problem.

In general, it’s a good idea to search the forum for previous issues.

Anyway, let us know if this helps.


hi, use sudo apt install qtbase5-dev qtchooser qt5-qmake qtbase5-dev-tools in your terminal instead