Hi guys , I had been using the LaserCut software on my laser engraver with no problems until I had to format.. The engraver is hooked up to my pc via a serial port pci card. I am not have a problem to installing the software however when I go to send from the pc to the engraver I get a Invalid Port Number window come up..I seen this happen before but cant for the life of me figure out what it was that I did to make that error go away and be able use the engraver without trouble. Anyone know what im missing or not completing perhaps? I didnt want to change the LPT port number in the device manager unless I knew what the port number is suppose to be then I would..Should I try changing the numbers and see what happens? Im at a loss with this and any help would be much appreciated.

Thank you,

Terry