After patch 1.9, when i play crysis2 multiplayer, my crysis2 just went not responding halfway. total random

win 7 64bit
core i7 860 @3.66ghz
gtx580 sli
psu 1000w
1TB hdd
8GB ram

That tells us nothing, its like saying my car wont start whats wrong with it? Run event viewer and post your findings on here