In SX Microcontrollers, SX/B Compiler and SX-Key Tool, PJMonty wrote: Joey, If you have tried different computers, different operating systems, and different SX-Keys, then the most likely culprit is your circuit. Can you post a schematic of your circuit? I know you say it's basic (I'm sure it is), but there may be some subtle error. Also, a photo of your circuit with SX-Key attached might provide some clues. Thanks, PeterM ---------- End of Message ---------- You can view the post on-line at: http://forums.parallax.com/forums/default.aspx?f=7&p=1&m=372386#m372727 Need assistance? Send an email to the Forum Administrator at forumadmin@parallax.com The Parallax Forums are powered by dotNetBB Forums, copyright 2002-2009 (http://www.dotNetBB.com)