As a workaround to be able to start the Tweaks app, you can edit the telegram autostart desktop file and add an Icon line like this. It doesn't matter that the icon file probably doesn't even exist.
Icon=telegram The Firefox .desktop file doesn't matter for this issue. ** Changed in: gnome-tweaks (Ubuntu) Status: New => Triaged ** Changed in: gnome-tweaks (Ubuntu) Importance: Medium => High -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/2056657 Title: gnome-tweaks crashed with TypeError in __init__(): Gtk.Image.new_from_icon_name() takes exactly 1 argument (2 given) To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/gnome-tweaks/+bug/2056657/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs