when i go online and join a server (all works) and i go to the dealer to buy equipmend (dunno if it is also when i go to the bar/trader/shipdealer )i get back on my desktop but i still here the sound of the game and in my taskbar i see the freelancer icon to go back to the game, but that doesnt work and also my cursor is gone, after a few secs the freelancer icon disappears and i get the message if i want to send the error to microsoft

before the game worked perfect but now this happend

what to do?