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[Arrababiski]

Bad signature, refresh keyring with:

sudo pacman -Sy archlinux-keyring manjaro-keyring

If you have more trouble with Keys:

[HowTo] Solve Keyring Related Issues in Manjaro

Wiki Page: https://wiki.manjaro.org/index.php/Pacman_troubleshooting#Errors_about_Keys Manjaro and Arch users have a security keyring on their machine that allows them to safely download packages from the Manjaro and Arch repositories without those packages getting tampered with by a man-in-the-middle-attack. Sometimes if a user doesn’t update their system for a long time, this keyring might expire. The keyring can also get corrupted for some reason. To solve basic keyring issues do the foll…