(Possible) fix: Put a # in from of "DBusActivatable=true" in /usr/share/applications/org.gnome.font-viewer.desktop
[Desktop Entry] Name=Font Viewer Comment=View fonts on your system Keywords=fonts;fontface; Icon=preferences-desktop-font Exec=gnome-font-viewer %u Terminal=false Type=Application DBusActivatable=true StartupNotify=true Categories=GTK;GNOME;Utility;X-GNOME-Utilities; MimeType=application/x-font-ttf;application/x-font-pcf;application/x-font-type1; application/x-font-otf; X-GNOME-Bugzilla-Bugzilla=GNOME X-GNOME-Bugzilla-Product=gnome-font-viewer X-GNOME-Bugzilla-Component=general X-GNOME-Bugzilla-OtherBinaries=gnome-thumbnail-font X-GNOME-Bugzilla-Version=3.16.2 X-Ubuntu-Gettext-Domain=gnome-font-viewer One liner: sudo sed -ir 's/^\(DBus\)/#\1/' /usr/share/applications/org.gnome.font- viewer.desktop -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1607937 Title: font viewer starred from dash: Unknown option --gapplication-service To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gnome-font-viewer/+bug/1607937/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs