To download programming software for the Puxing PX-777, please follow these official and safe sources:
It is important to note that Puxing does not operate a centralized, public download portal like major manufacturers (Yaesu, Icom, or Kenwood). The software for the PX-777 was historically distributed on mini-CDs included with the programming cables. puxing px-777 programming software download
Because of this, finding a "clean" download link online can be difficult. The software is widely distributed across amateur radio forums and file-sharing sites, but users must exercise caution regarding malware. To download programming software for the Puxing PX-777
Common File Names: When searching for the software, look for files named: PX-777
PX-777.exePuxing 777 Software.zipPX-777 V1.x (Version numbers vary depending on the specific firmware of the radio).| Error Message | Cause | Solution |
| :--- | :--- | :--- |
| "No response from radio" | Wrong COM port or radio not in clone mode | Check Device Manager. Ensure radio is ON. For PX-777, press and hold the A/B button while turning on to enter programming mode. |
| "Runtime error 8020" | USB buffer overrun | Lower your computer's processing priority. Close all other USB devices. Use a USB 2.0 port (not USB 3.0). |
| "Windows cannot start this device (Code 10)" | Prolific driver conflict | Uninstall the driver via Device Manager. Check "Delete driver software." Reboot. Install Prolific v1.8.0 manually. |
| Software shows gibberish text | Codepage mismatch | The software expects Simplified Chinese. Reinstall using Locale Emulator or change your system locale to Chinese (Simplified) in Windows Region settings. |
Once you have the software installed and the cable connected: