These to programs need to be installed in order to run the CNC 2.15 software
Msvbvm50 and vbrun60sp4, you can go to http://gm.cnc.free.fr/index_en.html
This is where you can pay to register the software, The cost is only around $36.00 USD, 
a small price to pay and He has lots of links to many 
different CNC projects. Since most of his links are in French, you could use 
http://babelfish.altavista.com/ to translate the web page to english.