Sure, I can help. Let me start by trying to fully understand your problem. My first question would be which website did you download it from? I am asking because it is on a few sites and I want to make sure we are working from the same version. Why don't we set it up on Community-Credit somewhere and add it the download files section. I don't believe that what you are seeing is an error message. It looks more as if it is just returning no data.
It has been a while since I have looked at the code, believe it or not. In fact, it was my very first .NET application, but I spent quite a lot of time on it because it was so much fun to write. The concepts are pretty simple, so I can certainly help you through any problems that you come across.