If you own a computer with realtek audio chip, probably you experienced an issue with full screen games (like GTA:SA or NFS:MW).
My games, when ran fullscreen were minimizing every few seconds preventing me to play. No solution I found on the internet was working in my case so I decided to try my luck on my own.
After countless restarting / killing processes I could find a process which receives focus each few seconds causing my games minimize to desktop.
Malicious process name is:
You have to kill that process in order to have uninterrupted gameplay, this saved me alot of time and allows me to play again my favourite games!