I will try on a different computer and I will contact you

I tried to reload the game with all the files but nothing to do. The game crash and always tells me the same. "The game key has already been activated"

Now the game crash as soon as I launch it. I try to reconnect with my account. It has crashed since

I try to put the cd key back in the game. But it does not work anymore. This problem has happened since I bought skins. No I use a maniaplanet account and not a local account. On my player page I can not click on the validation key

What should I say to ubisoft support?

All this happened after activating a validation key to buy skins.
I do not understand how it happened.

I use steam. When I enter the key cd that I find on steam I try to put it back in the game but it does not work while I did not change account maniaplanet or steam. http://trackmania-carpark.com/imagespark/odd/up/5850638738066.png It means : Failed to save the key. You have already activated the key...

How I can send you a screenshot?
I have entered the key cd in the game but it says to me "failure of the registration of the key. The key has already been validated"

Hello, Today i want to play at trackmania² stadium but my game tell me "your account is not activated". But i bought it on steam. Recently I bought a car skin on trackmania² stadium. Since then I can no longer play trackmania² stadium. I really need help. I can take screenshots if you w...