Tried removing and re-installing gnome-app-install from Synaptic. Noted that dependencies removed were not re-instated on re-install and installation reported a bad '.desktop' file.
Re-installed application exhibits same behaviours as before.
Tried removing and re-installing gnome-app-install from Synaptic. Noted that dependencies removed were not re-instated on re-install and installation reported a bad '.desktop' file.
Re-installed application exhibits same behaviours as before.