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-Twilight Storm

I'm having the exact same problem, I also purchased from Amazon. The game keeps crashing after about an hour, I figured I'd DL the latest patch and see if that fixes the problem. To bad my key is being recognized as invalid, I tried every permutation caps, no caps, dashes, no dashes, 0's and O's. Seriously pissed right now, if I was just going to toss $40 down the drain I'd rather give it to charity, than a game developer that can't release a working product.

I have kind of like the same problem, although i bought the game directly from impulse.

I can register the game.. over and over again, but when i try to update.. impulse just tells me to register yet again....

Also.. the impulse client didnt want to update by itself.. had too look around untill I found the complete version to reinstall with. But but still no luck with my game registration.

I am verry, verry annoyed.

iv tried all this and nothing works i had the same error asjfedmo and the dowload didnt work on my computer i got a notepad also when my uncle sighns in as me on his computer since we both own the game he can update and everything works fine

You may have already done this, but have you tried uninstalling and reinstalling in case something got messed up the first time?  Happens to me occasionally that my issues were just me needing a reinstall of the program in question.

-Twilight Storm