Yeah this is a problem we've been having...I've had limited success with *.8xp files. I'm using Version 1.0 (Build 19) of the Debugger and "Alex Version v0.16" of the GRAPH-Link. James. > Any luck getting the Flash Debugger to load *.83p files? Mine lets me, but > then the program is still not on the virtual calc when I try to run it.