I remember running Winamp in the background along with various games (Diablo, Age of Empires, Red Alert). They would always lag terribly.. but not if you didn't

I remember running Winamp in the background along with various games (Diablo, Age of Empires, Red Alert). They would always lag terribly.. but not if you didn't log in first! win+R before login was pretty useful - albeit insecure!