| Error Message | Likely Cause | Top-Tier Fix | | :--- | :--- | :--- | | "Failed to open COM port" | Driver conflict | Change the cable's COM port number to 1, 2, or 3 in Device Manager. | | "Checksum error after writing" | Radio firmware mismatch | Download the latest firmware updater from the same source as your software. | | "Runtime error 13 – Type mismatch" | Windows region settings | Go to Control Panel > Region > Change the decimal symbol to a period (.) not a comma (,). |
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: During installation, you will be prompted to enter the Serial Key provided with the license. | Error Message | Likely Cause | Top-Tier