Well I bough Halo 2 Vista today and I joyfully tried to insall it, while doing that - this screen pops up: "Invalid code, retype". In other words; my newly bought game has an invalid key and I'm sitting here hopelessly without any ideas how to solve this. I've tried looking for other keys online (even though I shouldn't) but without success.
Do I need a new copy or are there other solutions?
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I had this problem once before while installing Halo 2 on my computer. I simply called Microsoft support and they 'reset' my product key, I guess, and it worked after that. The call did not cost me any service/support fees and it was a toll free number. Cheers