Need help with Comodo Internet Security Premium

I need help regarding high cpu usage when I try to install any file I have. Also when I try to launch any of my gamess, and it takes a quite loing time to lauch the game, so please help me?

Also I would like to know how I can lower my high cpu usage on my pc?

What process is using a lot CPU capacity? Is this process also involved when starting games is going slowly?