// to open files according to .config/mimeapps.list, // follow instructions on https://github.com/n4zz/Fix-Dolphin-File-Associations in short: sudo pacman -Sy archlinux-xdg-menu ls /etc/xdg/menus cd /etc/xdg/menus sudo mv arch-applications-menu applications.menu kbuildsyscoca6 --incremental to check: nvim ~/.config/mimeapps.list all entries should be valid, ending with a .desktop (I think) and a semicolon; at the EOL