In SX Microcontrollers, SX/B Compiler and SX-Key Tool, Blackbird455 wrote: "unable to open com 9....com port in use by another process" until i checked my connections, now it is saying "chip connection failed" ---------- End of Message ---------- You can view the post on-line at: http://forums.parallax.com/forums/default.aspx?f=7&p=1&m=210130#m210199 Need assistance? Send an email to the Forum Administrator at forumadmin@parallax.com The Parallax Forums are powered by dotNetBB Forums, copyright 2002-2007 (http://www.dotNetBB.com)