manjaro pacman -Syu : key could not be looked up remotely.

1. sudo rm -r /etc/pacman.d/gnupg
3. sudo pacman-key --init
4. sudo pacman-key --populate archlinux manjaro
5. sudo pacman -Sc
6. sudo pacman -Sy gnupg archlinux-keyring manjaro-keyring
7. sudo pacman-key --refresh-keys
8. sudo pacman -S audacity