Working with automotive software requires a cautious approach to protect both your PC and the vehicle's electronic control units (ECUs).
Resolution of "Communication Error" prompts that plagued earlier builds when used with certain USB-to-Serial adapters. Why the "Exclusive" Tag Matters dash tool 2 v 1107 exclusive download
To ensure the software can properly communicate with the COM ports, always right-click and "Run as Administrator." always right-click and "Run as Administrator."