Is this important? or can i ignore it?

Issues & Assistance
1 
❯ sudo pacman -Syu
error: cachyos-extra-v3: signature from "CachyOS <admin@cachyos.org>" is invalid
:: Synchronizing package databases...
 cachyos-extra-v3                    2.4 MiB  10.1 MiB/s 00:00 [----------------------------------] 100%
 cachyos-v3 is up to date
 cachyos-core-v3 is up to date
 cachyos is up to date
 core is up to date
 extra is up to date
 multilib is up to date
error: cachyos-extra-v3: signature from "CachyOS <admin@cachyos.org>" is invalid
error: failed to synchronize all databases (unexpected error)

is this fixable? because i have tried all the tips i could find, like

sudo pacman-key --refresh-keys

I can’t update my system too. Will this fix by itself? because whenever i open my terminal, it shows this

image
image954×311 14.9 KB

edit: I’ve just found out that i cant install on pacman too so this is a big deal.

2

Please try:
sudo cachyos-rate-mirrors

Also have a peek at this:

3

I have also seen the post and tried their solution, no luck unfortunately.

4

Are you on KDE/Plsama? Or give me/us something to go on.

pacman -Qi discover


inxi -F |grep DE
5

I’m currently on gnome, i have also tried the tweaks from cachyhello and still nothing solves the problem.

edit: and btw the remove db lock from cachyhello doesn’t work

6

paru -Qi cachyos-keyring

Summary

Installed From : None
Name : cachyos-keyring
Version : 20240331-1
Description : CachyOS keyring
Architecture : any
URL : https://cachyos.org
Licenses : GPL-3.0-or-later
Groups : cachyos
Provides : None
Depends On : None
Optional Deps : None
Required By : None
Optional For : None
Conflicts With : None
Replaces : None
Installed Size : 2.43 KiB
Packager : CachyOS admin@cachyos.org
Build Date : Sun 31 Mar 2024 02:02:51 PM MDT
Install Date : Wed 25 Jun 2025 10:30:29 AM MDT
Install Reason : Explicitly installed
Install Script : Yes
Validated By : Signature

7 
paru -Qi cachyos-keyring
error: cachyos-extra-v3: signature from "CachyOS <admin@cachyos.org>" is invalid
error: cachyos-extra-v3: signature from "CachyOS <admin@cachyos.org>" is invalid
Installed From  : cachyos
Name            : cachyos-keyring
Version         : 20240331-1
Description     : CachyOS keyring
Architecture    : any
URL             : https://cachyos.org
Licenses        : GPL-3.0-or-later
Groups          : cachyos
Provides        : None
Depends On      : None
Optional Deps   : None
Required By     : None
Optional For    : None
Conflicts With  : None
Replaces        : None
Installed Size  : 2.43 KiB
Packager        : CachyOS <admin@cachyos.org>
Build Date      : Monday, 01 April, 2024 04:02:51 AM
Install Date    : Wednesday, 11 June, 2025 08:34:51 PM
Install Reason  : Explicitly installed
Install Script  : Yes
Validated By    : Signature

Thank you so much it worked! i’m now able to update my system with pacman -Syu.
I’ll comeback later if it happen again. Again, thank youu!