- gamertag: Argon3
- user homepage:
"The key you entered is not in a valid format, check your key and try again."
I am having the same problem entering my Halo PC key just like the others above. I have tried several times making sure that I followed the correct format and entered in all the characters.
Also, I know that I bought the game brand new, so I'm not sure what is wrong?
[Edited on 08.27.2010 2:31 PM PDT]