onlinegamesz

Hello, I have a new computer with Windows 7 32bit, first i had Vista 32bit and everything worked fine. Now if im going to fly after 10-15min my game is freezing and i get a fatal error, i tried already to run as admin and compatibility mode ( Windows XP SP 2 or SP3) and it is still not working. Can someone please help me i want to fly :( Greets, Chris