Here is an updated installer that should resolve the issue:
https://evilmadscience.s3.us-east-1.amazonaws.com/dl/ad/public/AxiDraw_275r2.exe.zip
Linda, you might want to try running this, and see if it can resolve the issue for you.
Evil Mad Scientist Laboratories
Making the world a better place, one Evil Mad Scientist at a time.
