Most likely it is your computer. Open the 'Windows Task Manager' before you attempt to play the game. Go to the 'Processes' tab and see if something like BattlefrontIIEngBeta.exe shows up when you try to play. If it doesn't, then the game didn't even attempt to start.
(I may not agree with thoughts posted under this name)
Looking for a mature clan? Checkout www.rdhclan.net
email/PM me for more info