Ok this is my situation, i have a laptop that has windows vista. When using megatune on vista there is no spark option and my car gets no spark at all from it when ms is connected to vista. I downloaded microsoft virtual pc 2007 and then found out that it didnt have a usb device function so i uninstalled it and downloaded vmware which is a different virtual machine that supports usb devices. I loaded my windows xp home editon to vmware and then downloaded megatune and viola there was the spark and code output settings. Next i tried to connect the virtual machine xp to the ms and i cannot get communication. I tried com1 through com99 and i got no response for all of them.When i switch back to vista the ms connects right to it off of com5. I tried switch usb ports and eveything and i cannot get it to connect when using the virtual pc xp. How did you get your ms connected to your virtual pc xp? Please tell me what program you are using and anything and everything you did to make it work. This is what is holding my car back from starting. (Terry i pm'd you)

Vinnie