Go to the Black Viper site if your not sure what to shut off.
http://www.blackviper.com/WinXP/servicecfg.htm
stick with the 'SAFE' configuration and you should be fine.
Thank you Michael for posting this link. I checked it out and my frame rates became more smooth and less choppy. Great information for letting me know what to turn on and off.

Thanks again,
Kev