| Problem | Likely Cause | Solution | | :--- | :--- | :--- | | | Wrong COM port or driver missing | Check Device Manager. Re‑install the USB driver. Try a different USB port. | | Read or write fails | Cable not firmly connected | Unplug and re‑plug the cable. Restart the software. | | Frequencies changed but radios do not talk | CTCSS/DCS tones do not match | Verify that the encode and decode tones are set identically on both radios. | | Software asks for a password | Radio is password‑protected | Contact the previous owner or dealer to obtain the password. | | Error message “Port not recognised” | Software version incompatible with your radio | Ensure you are using KPG‑99D specifically for TK‑7160/TK‑8160. Do not use KPG‑99D(E) unless you intend to use engineer features. |
Windows 7, Windows 10, or Windows 11 (32-bit or 64-bit). Processor: 1 GHz or faster Intel/AMD processor. RAM: Minimum 2 GB. Storage: 50 MB of free hard drive space for installation. Ports: A physical USB port or a native serial COM port. Essential Hardware Accessories kpg99d software download top