Do you get an error saying something similair to "Error in Main Java lang" or whatever it is. I forget. But my cousin has experienced this problem. And I fixed it for him.

Now there are a couple of ways to fix it.

-Solutions-

1. Download newest Java
2. Re-download Client

Ok so they are the solutions to this problem. The first one can be the problem at time but the 2nd one is the one that would most likely fix it. This is how my cousin fixed it. It should work for you.

If not check if you have the latest Java installed and ready. If none of these work, just try re-installing Java just in-case. If you have any more problems, just PM me via Forums or In-Game.

Thanks.