Ich würde eine Ersatzauthorisierungs-Anfrage bezüglich CD-Keys so schreiben:
Ich denke, damit wären alle Missstände geschildert und eine sanfte Anfrage an den Hersteller (in diesem Falle Valve) gestartet.
after I tried activating my CD key, which came with the original DVD box of
your last issue called Halflfe 2, I got the message "Your CD-Key is already
Now I'm disappointed because I cannot start playing in multiplayer mode. I
bought an original game, that was never used before, so the key has to be
accepted. But it seems somebody else has already generated exactly my
In fact, I'm entitled to get a new workable key for my game. Please send me
a new key, so that I become owner of the full game and can start
I attached some photos of my original DVD box, the original CD itself and the
original bill. This should be enough to legitimate my inquiry. If there are some
things missing, please contact me for that case.
I hope to hear from you soon!
(Name u. Anschrift!)