Stepping out on a limb, hope I don't fall too far.
I usually do not feed trolls because they stay hungry, but I feel it is time to comment......

In general, I find something is odd about all of these new posts by new members, very similar in writing style, regarding people being banned for no reason. I tend to think they might just be legitimate.
My household was victim of an unfair ban and Disney/VMK had it rectified in less than 48 hours. If they unfairly ban, are contacted and see they made a mistake, the ban will be lifted. If you or somebody in your household have caused too many problems or have committed an offense against the VMK Values, they reserve the right to ban you from their game.
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AceSnowboardChick,
Saying you were banned three times before
(on the same PC perhaps??
) indicates to me that VMK has had enough mischief from your IP. Regardless, it is their game and they have proven they can ban who they wish.
You might ask your parents to contact them via the phone as emails are not working. If you were banned unfairly, your mom or dad might be able to get something done on your behalf and have the ban changed from an IP ban to a username. Unlikely, but maybe worth a shot.