Hello,i just built my own computer,it's an i5 2500k cpu with asus p8z68 v pro mobo,8g ddr3 ram,gtx 560ti,antec bronze 750w psu,windows 7,500g hd..,web browsing seems speedy,but overall the computer is very slow and non responsive,the only things ive done is update the mobo and gpu drivers,updated windows, installed kaspersky pure total security,and installed a wireless adapter,any idea's,thanks