| Issue | Solution | | :--- | :--- | | | This is a legacy Visual Basic error. Ensure you have installed the software as Administrator. You may need to install the Visual Basic 6.0 runtime files (vbrun60.exe) from Microsoft. | | "Cannot Open Port" | Another program (like a sync app for a phone) is using the COM port. Close other background apps or try a different USB port on your PC. | | Connection Timeout | 1. Check the cable is fully inserted.2. Try switching the receiver power off and on.3. Lower the Baud Rate (e.g., switch from 115200 to 57600). | | Windows Smartscreen Block | Click "More Info" and then "Run Anyway." This software is old and often unsigned, triggering Windows security features. |