Failed to load module "xapp-gtk3-module"

[roberto68]

Gtk-Message: 15:33:56.208: Failed to load module "xapp-gtk3-module" Gtk-Message: 15:33:56.236: Failed to load module "canberra-gtk-module" Gtk-Message: 15:33:56.236: Failed to load module "pk-gtk-module" Gtk-Message: 15:33:56.236: Failed to load module "canberra-gtk-module" Gtk-Message: 15:33:56.237: Failed to load module "pk-gtk-module" QApplication: invalid style override passed, ignoring it. Available styles: Windows, Fusion Fontconfig warning: FcPattern object weight does not accept value [0 205) Segmentation fault (core dumped)
orange-app doesn't start at all this is what I get running orange-app -v
update not available, how could I troubleshoot it?
Thanks Rob