games dosent work on the emulator when it does it crashed

    i recently changed my pc and got a new one spectialy for this emulator and now i am trying to run two diffrent games god of war 3 demo and j-stars vs  
 now god of war worked but with high laggs and unplayble fps after many methods it crashed and j stars vs worked and i got to the character select and then waiting to enter the match and then black screen and nothing else what can i do help 

i dont all the things in the quick start guide followed everything

iam running amd fx 8350 8 core processor

nividia gtx 950 2gb 

and 16 gb of ram

 win 10