Comment 3 for bug 1749728

I am experiencing the same behavior in Xubuntu 18.04 (has been a problem for a while) when using "open with" on the .deb package from Thunar (right mouse menu). If I start gdebi-gtk from the command line and use the "file open" menu option then everything works ok.

I will dig through my logs for more info.

This system is a fresh install of 18.04 Gdebi was the 5th package installed after (gnumeric, gppoder, synaptic, vlc).