hi i need some help i updated to windows 10 today and now when i try to play any games for example need for speed most wanted 2012 the game just lags and is unplayable when i check the task manage it says im using 99% of my memory and my cpu is also using 90% i have an hp dv7 laptop with the intel i5 processor hd 4000 graphics. also there is now this task called service host which is using up most of my memory as well please help