Why Halo does: User Edition "Invalid CD key" If I try to join a game, to say that?

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Problem basically by outfield_28: Why does Halo: Custom Edition say “Invalid CD Key” when I try to join a game?

On some servers it works fine but with other servers (mainly ones with custom maps even though i have the map) It comes back saying “Your CD key is invalid” or “The server admin has banned you from playing on this server”. Someone HELP!!

Actually guidance on Why does Halo: Custom Edition say “Invalid CD Key” when I try to join a game? which you can will want to solve dilemmas without any help. Maybe it will help in several ways… and make yourself better. Needing guidance on Why does Halo: Custom Edition say “Invalid CD Key” when I try to join a game? will be an option at a later date.
Best answer:

Answer by Frank
Please contact the troubleshoot center for your game so the users of Y!A won’t void the warrant or destroy your game

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