I'm going to sound like a complete idiot but WHAT LOL.. boy am i confused! so what your saying is that the PP i'm useing with vcarve and saving the toolpath project on a usb, its differant from the PP that this velox cnc's computer system with mach3 is useing so the machine is saying NO. how do i find out which PP the velox system is useing so i can see if the vcarve pro has it listed in the PP list.. thanks