pacman archlinux-keyring gpg Source https://wiki.archlinux.org/title/Pacman#.22Failed_to_commit_transaction_.28invalid_or_corrupted_package.29.22_error https://wiki.archlinux.org/title/Pacman/Package_signing#Upgrade_system_regularly $ sudo pacman -Sy --needed archlinux-keyring then try to upgrade as usual