Fps Drop

Hello guys. The last few weeks im getting insane fps drop every game on the half of the game (6 min,8,10,12) and it lasts like 15 secs ,in that time i cant even move or do anything ,its stuck on 01 fps ,screen freeze every second. And then everything is fine. Does anyone have a solution for this,its so annoying. P.S (on other pc's everything is fine but on my pc its same) [cass-cry]