Invalid or corrupted database (PGP signature)

[Shirshendu]

Try clearing the cache:

sudo pacman -Scc

Then update

sudo pacman -Syyu

If it doesn’t work, try -

[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…