[2022] Error when joining friend: “you are not allowed to connect, either this or the other game instance is untrusted by the anti cheat system”

Hello! The solutions listed here should help with this issue: https://support.fatshark.se/hc/en-us/articles/360033298334--PC-Observing-a-BACKEND-REJECTED-THE-CHALLENGE-RESPONSE-Error-OR-Unable-to-Connect-to-Others-Craft-or-Open-Spoils-of-War-