Same problem here, using Xubuntu 18.04. (Clean install, not upgrade) If I click on a .deb file and choose "open with gdebi", the gui opens and checks for depencies, but when "install" is clicked the gui disappears (crashes). But if I open gdebi via terminal, it works fine.
Same problem here, using Xubuntu 18.04. (Clean install, not upgrade) If I click on a .deb file and choose "open with gdebi", the gui opens and checks for depencies, but when "install" is clicked the gui disappears (crashes). But if I open gdebi via terminal, it works fine.