If you are using a mod manager (like Mod Engine), disable all mods, especially:
: Join a public lobby that has the "auto-kick cheaters" setting enabled. If you are instantly kicked upon joining, you likely have the tag. payday 2 how to know if you have a cheater tag fix
Because you can't see the tag on your own screen, you must use indirect methods to confirm its presence: If you are using a mod manager (like