If it's any consolation, I've been extremely unhappy with PSP and with Microchip's support of it. However, it sounds like we are having different problems at the moment. Basically, my PSP doesn't like most of the COM ports I've tried. It only connects to 1 of my 3 computers. Unfortunately, that's the one computer I've set up for my kids, so it's a hassle to use it. Microchip admitted that there are some bugs, and they said someone is working on it, but I haven't heard anything from them now for 3 weeks. I suspect that when I get it going with the COM ports on my preferred computers, I will encounter additional problems such as those you mention. In the meantime, I've put that particular project on the back burner. -- Paul Mathews, consulting engineer AEngineering Co. optoeng@whidbey.com non-contact sensing and optoelectronics specialists