make sure all files are located in the same folder. Read USB.TXT for more information

I'll also suggest you my USBDemo. That should be enough to start.

USBDemo, something to learn USB a little bit
http://www.picbasic.co.uk/forum/showthread.php?t=5418

Also POST#148 for better USBService handling.
http://www.picbasic.co.uk/forum/show...&postcount=148

HTH