Are you having trouble connecting the AutoCal V3 to your computer? It's more than likely because you downloaded the previous version of the V8 software. The new AutoCal V3 is not compatible with the previous version of the EFILive V8 software. You have to use the Beta version of the software, which can be found by clicking on the link in step 2 of our initial setup instructions on our AutoCal Management Page. If you have any questions you can call 877-809-4070, or message us here.