Did you install in under C:\Program Files? You could try to install it under c:\ and avoid the Win7 UAC stuff. John N1JM -- View this message in context: http://elecraft.365791.n2.nabble.com/OT-Morserunner-and-Win7-tp7405880p7406001.html Sent from the Elecraft mailing list archive at Nabble.com.