Nautilus stopped mounting USB disk

Weeks ago Nautilus stopped mounting USB devices/disks when they are plugged in. Here you find the solutions 🙂 Environment: Arch Linux (8.2.2019) Gnome (3.30.2) Nautilus (3.30.5) Solution: Open dconf and navigate to “org.gnome.desktop.media-handling” Set ‘x-content/unix-software’ for “autorun-x-content-start-app” or set as default value