Figured it out! I was editing my files in Excel so that I wouldn't have to repetitively type things in and so I could get graphs. It appears that Excel was doing some sort of locking that wouldn't allow me to input an edited file until it was closed (not saved, but closed). Thanks. -Erik Reikes >Has anyone successfully used the stimulus input for MPLAB? I'm trying to >simulate some digital IO through MPLAB, and sometimes it seems to work, and >others nothing happens on my IO pins. I don't seem to get any indication >that the stimulus file has been loaded or is running or anything. I know >there must be some simple trick I'm missing but I am currently at a loss. >Anyone know the quick fix? > >Thanks in advance. > >-Erik Reikes