I've got a friend with an older ECU, about 3 years I think, but we've run into something I was hoping you'd be able to help with. If we run the C-Com for DOS we can record data on a pass just fine, but when we switch to the Windows version of C-Com we can't record a run. We can bring up the dash board and watch all of the data change while the car is running, but when we arm the trigger and then set it off with the TPS it brings up the record screen, but it's blank. Nothing runs across the record screen for the duration of the run. I'm thinking that since his ECU is older it might need to be updated to work with the newer version of C-Com, but I couldn't get the serial number due to the way the ECU is mounted. If you think that's what it is, I'll get the serial and post it to find out for sure. Thanks in advanced for your help.