I am getting an error when I try to install updates

When I am trying to install updates or apps, I am getting this error:
error: failed to prepare transaction (invalid or corrupted database)
I already spend hours on this error. Has anyone of you an idea?

Try

sudo pacman -Scc
sudo pacman-mirrors -f && sudo pacman -Syyu

I am getting this error:
error: failed to prepare transaction (invalid or corrupted database)

error: database ‘archlinuxfr’ is not valid (invalid or corrupted database (PGP signature))

Unofficial repos are not supported. Looks like that one is mostly out of date packages, anyway. Remove the entry from your /etc/pacman.conf and try again.

I did so and I am getting this error now:
:: File /var/cache/pacman/pkg/archlinux-keyring-20201210-1-any.pkg.tar.zst is corrupted (invalid or corrupted package (PGP signature)).
Do you want to delete it? [Y/n] y
error: manjaro-system: signature from “Philip Müller (Called Little) philm@manjaro.org” is unknown trust

See pacman - ArchWiki

I cant find any of these files in /var/cache/pacman/pkg/

I found this solution in a German post:

sudo pacman-mirrors -g -c Germany
sudo rm /var/lib/pacman/sync/
sudo pacman-key --init
sudo pacman-key --refresh-keys
sudo pacman-key --populate archlinux manjaro
sudo pacman -Syyu

It worked for me.

1 Like

Please, change into

sudo pacman -Syyu

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