After the last update i cant start qbittorrent anymore.
Qbittorrent is in Archlinux "community" repository. Have you ever read the new?
https://artixlinux.org/news.php#Arch_repositories_made_optional
You may want to enable Archlinux repos. You should also read this:
https://wiki.artixlinux.org/Main/Repositories
Glad I saw this. I too missed the news and had problems installing many packages, searching Google. And now everything is working like a dream once again