Can't install any thing

[mmsaeed509]

I can't install anything via add/remove software or terminal
when I use add/remove software this error occurred "invalid or corrupted package (pgp signature)"

I try to fix these issues but I failed

this issue can't fix it

and add/remove software

how can I fix these issues

[TilliDie]

Try this

Issues with “signature is marginal trust”, "signature is unknown trust", or “invalid or corrupted package”

If you're getting an error similar to "Can’t update: signature from *** is marginal trust" or "invalid or corrupted package" you probably just need to update your package signing keys: sudo pacman -Sy archlinux-keyring chaotic-keyring sudo pacman -Syu If you have added any other repositories, e.g. BlackArch, then add their keyring to the list. Also make sure your system clock is correct! Of course, it's also possible that the package file actually is corrupt. Remove it from /var/cache/pacman…

[SGS]

Again, no pictures from terminal output!

Read also again.

Reporting bugs

How to search for solutions the right way

How to write a nicely formatted post in Discourse/Forum

Writing a well formatted post in the forum (Discource powered) is important, if you want readers to easily read and understand. It's especially important for terminal output. Here is a brief tutorial. Terminal output For terminal output, text output with special characters, always use code wrapping (Pre-formated text). Select all of the text and do one of these: Hit the </> button in Discource Post Toolbar. Press CtrlShift+C on your keyboard. Manually with markdown After you Copy yo…

please
and post

inxi -Fza

as text!

Even if you personally think it is unnecessary.

[jonathon]

@mmsaeed509

when I use add/remove software this error occurred “invalid or corrupted package (pgp signature)”

That’s not what the screenshot shows - it actually says “invalid or corrupted database”.

Apparently you have some broken package sync databases, so delete them and -Syu again.

[filo]

You may also want to give a look at this.

Invalid or corrupted database

sudo pacman -Syu [sudo] password for ozil: :: Synchronizing package databases... core is up to date extra is up to date community is up to date multilib is up to date chaotic-aur is up to date :: Starting full system upgrade... error: could not open file /var/lib/pacman/sync/core.db: Unrecognized archive format error: could not open file /var/lib/pacman/sync/extra.db: Unrecognized archive format error: could not open file /var/lib/pacman/sync/community.db: Unrecognized archive format …

[dr460nf1r3]

Also please verify if the these are really what you want to install, eg. libfprint-vfs009x-git is just for a few special fingerprint readers such as the one in my T470

Sorry for the pic, not gonna type all all this here just because someone was too lazy to paste it here

[filo]

I just recognized that the topic I linked above was from the same OP, so I assume that one was entered after this, due to Precondition Failed.
Since the other one was solved, I think this one can be closed...