[Mike Voth]

Not a new install. We've used this system for several years with no problems. It was communicating just fine at Dallas for the first two runs, then, on the next, told us there was no data stored for download. During this time (still connected, tried to re-upload data to the unit, said no communication. Tried to re-establish communication with no luck (as it we had the switch off for main power to the car). We've never changed port configurations, but that doesn't mean there'e not a registry issue on the hard drive either. I think I'll try to reinstall the software and see if that doesn't fix it. Tried to remove the program first, but it won't let me due to a "corrupt file". Might be on to something. Thanks guys, for your help.