Problem with initializing

:: Continuar a instalação? [S/n] s
(3/3) verificando chaves no chaveiro [######################] 100%
(3/3) verificando integridade do pacote [######################] 100%
erro: archlinux-keyring: signature from “Andreas Baumann (sign) mail@andreasbaumann.cc” is unknown trust
:: Arquivo /var/cache/pacman/pkg/archlinux-keyring-20190123-1.0-any.pkg.tar.xz está corrompido (pacote inválido ou corrompido (assinatura PGP)).

That meand I need to update my system?
How I do it?

2 posts were merged into an existing topic: Signature is unknown trust