I can't install any software through Add/Remove software

[dilmax]

I can’t install any software through Add/Remove software, this error occurs.

Preparing...
Resolving dependencies...
Checking inter-conflicts...
Download of shotwell (2:0.30.17-2) started
Download of shotwell (2:0.30.17-2) finished
Checking keyring...
Checking integrity...
Error: shotwell: signature from "Sergej Pupykin <spupykin@archlinux.org>" is unknown trust
Removing invalid files and retrying...
Resolving dependencies...
Checking inter-conflicts...
Download of shotwell (2:0.30.17-2) started
Download of shotwell (2:0.30.17-2) finished
Checking keyring...
Checking integrity...
Error: shotwell: signature from "Sergej Pupykin <spupykin@archlinux.org>" is unknown trust
Failed to commit transaction:
invalid or corrupted package (PGP signature):

How to solve this issue?
Please Help.

[anon89812132]

@dilmax

invalid or corrupted package (PGP signature)

Usually that should reveal some results in forum search. Didn’t work for you?

[root tip] [How To] Mitigate and prevent GPGME error when syncing your system

You are getting a message when syncing your system error: GPGME error: No data error: failed to synchronize all databases (invalid or corrupted database (PGP signature)) Before you continue [SOLVED] Error updating system (error: GPGME error: No data) / Newbie Corner / Arch Linux Forums Pacman troubleshooting - Manjaro Pacman looking for database signature files Also see this pacman bugreport from 2015 - which was closed as not a bug but a matter of configuration. FS#44445 : "GPGME err…

[HowTo] Work around gpg verification issue on left behind systems

Difficulty: ★☆☆☆☆ This script is the result of people here in the forum having problems with Manjaro installations that haven’t been updated for more than 2 months or booting an old ISO plus installing it which is older than 2 months. I was a bit tired of explaining how to solve that issue and created a script, which does the job. Methods Method 1 - Basic Remove lock files of pamac and pacman Refresh Package Database Populate local keyrings to the GnuPG Database of pacman Refresh GnuPG Data…

Unable to update my system due to signing key errors

so go open again /etc/pacman.conf and edit this line: SigLevel = Required DatabaseOptional to look like this: SigLevel = Optional TrustAll then run these: sudo rm -f /var/lib/pacman/sync/* sudo pacman-mirrors --continent sudo pacman-mirrors --api --protocol https sudo pacman -Scc sudo pacman -Syyu

Error when installing hydra

When was the last time you did an upgrade? Because it desperately needs an upgrade. So try and rebuild you mirror pool first: sudo pacman-mirrors --fasttrack 5 This will rebuild the mirror pool to the 5 fastest mirrors. Afterward, completely update the system: Start by updating the normal packages, a.k.a. packages from the repositories: pamac upgrade --enable-downgrade The upgrade any packages from the AUR: pamac upgrade --aur This will update and, where applicable, download all packa…

Manjaro is unable to update (GPGME & keyring errors)

All is solved now (yours in the solution actually). I was just coming here to document the solution. After running the following commands: sudo pacman -Syy sudo pacman-key --refresh-keys sudo pacman-key --populate archlinux manjaro sudo pacman -Sc which was listed in the pacman troubleshooting Wiki that @kisun posted earlier (similar to the ones you suggested). I updated all the file systems (not the applications) Restarted the PC Updated the kernel and installed an LTS version (just in cas…

[stormschip]

Hi

Have you tried

pacman-mirrors --country Germany,Netherlands --api --protocol https --set-branch stable
pacman -Syy
pacman -Syy archlinux-keyring manjaro-keyring
pacman-key --init
pacman-key --populate archlinux manjaro
pacman-key --refresh-keys

[linux-aarhus]

@dilmax

Error: shotwell: signature from "Sergej Pupykin <spupykin@archlinux.org>" is unknown trust

You are not the first - this is a well known issue and a sure sign of an unmaintained system causing your key-ring to be outdated.