Just something I learned and thought it might save someone some time if I shared it. I got my Predator from Maryland speed with a PC interface kit. I sent emails back and forth for a week and a half to them and they sent me some stuff to try to get it to work. they sugested I call Diablosport direct and have them troubleshoot my computer. I called them and they ask about 4 questions and said they would send me out a new cable for free and they did. It worked great the first try. Anyway what I'm trying to say is if you have preator interface kit problems call Diablosport even if you didn't buy thru them.