It is not normal. Original bug-report was written against apport. I started to call xdg-open and gvfs-open directly to analyze the problem.
Apport uses xdg-open (which calls gvfs-open) in /usr/lib/python3/dist-packages/apport/ui.py . So apport uses deprecated mechanism. It is not critical. But in 16.04 LTS I do not have such message. ** Changed in: apport (Ubuntu) Status: Invalid => New -- You received this bug notification because you are a member of Ubuntu Desktop Bugs, which is subscribed to gvfs in Ubuntu. https://bugs.launchpad.net/bugs/1721948 Title: gvfs-open/xdg-open shows message about 'gio open' which confuses user To manage notifications about this bug go to: https://bugs.launchpad.net/gvfs/+bug/1721948/+subscriptions -- desktop-bugs mailing list desktop-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/desktop-bugs