The reason I asked about SuperFetch is to understand how it's affect on multiple tasks. For example, I'm using Office progs, Photoshop and many other programs day by day. Also, I'm playing games on my Asus Z84J notebook with 2GB ram, NV 7600 512VRAM. I've heard that SuperFetch is a killer of RAM and affects bad if playing games etc. But I can not find any proves about it. Let's investigate this if you like...