For those who are curious, this is woodworking and signmaking CAD, as if that's anything special compared to mainstream CAD programs. http://www.enroutesoftware.com/WhyEnRoute/default.aspx
It does have a Mach post though http://www.enroutesoftware.com/HowToBuy/Driverlist.aspx
v5 has a full download:http://www.enroutesoftware.com/Objects/Documents/EnRoute%205_0_0_23.zip
Now all you need is a dongle
, if you post the v4 executable (mediafire is a good place), I'll post the medicine files I just found for you - because it's not about YOU, it's about US.
You'll have to test it and report back if it works -I don't have the time or interest to check it