hi i got mack3 which i got in janurary and the licence.i had to reinstall mack3 over the week end and downloaded mack3 of the web site and then put my licence in the folder and installed it.but now it justs come's up with demo.could anyon e help me out on this one many thanks Tom

Tom is your "Mach1Lic.dat" in your Mach3 folder where "Mach3.exe" is?