Optimise Windows 8 for Cubase 7

Thanks , Yes I ugraded the software in the R16 to the latest version , and the latest driver for the system , and still the same outcome, in 64bit version of windows I get as Far as setting the latency settings and get it running but seems to crash if I Happen to set something it doesnt like , so I am super confused, a good friend of mine who has his PHD in computer engineering came over and had a look and his sumation was there is a problem with the driver for the R16 , so thats where I am at at this point, called my music guru equipment supply guy and am really considering the Presonus Audio Box 1818 , I am hoping that that should work. Your Thoughts what do you think !!
Thanks for your help!
Bug