Leave Buster Please Hellp

Hello, i have been leaving for a few times and i got punish up to 10 mins with the Leave Buster. After that i had been acting good and not leaving the game. I kept that for like few weeks, but today my game just wont load in, and just turned into black screen giving me a error saying Unable to connect to game, please check your internet. And the computer just crashed like that, and i just get a 20 mins like that.... Please help