If successful, a progress bar will appear, and the radio’s current codeplug (configuration data) will open on your screen. Immediately save a backup copy of this original codeplug before making any changes. Troubleshooting Common Installation Errors Error: "Registry Writing Failed" or "Access Denied"
| Error Message / Symptom | Likely Cause | The Fix | | :--- | :--- | :--- | | | USB driver conflict or incorrect COM port selection. | Go to Device Manager, find the cable's COM port number. Open CPS, go to Preferences , and manually set the COM port to match the one assigned by Windows. | | "Error 1687 / 1689" (Device not found) | The radio model does not match the CPS version, or the cable is faulty. | Ensure you are using the exact CPS version designed for that radio series (e.g., XPR vs APX). Try a different USB port or cable. | | Installation Hangs (R06.12.05/9 on Windows 10) | InstallShield compatibility lockup. | Patience is key. On many Windows 10 systems, the graphic appears to hang for up to 60 minutes before suddenly jumping to 100%. If it doesn't progress, run the installer in Windows 7 Compatibility Mode. | | "Cannot create... directory" error | Insufficient disk space or permissions. | Free up space on your C:\ drive. If space is available, right-click the installer and select "Run as Administrator". | | CPS Crashes when opening a file | Corrupted user preferences. | Hold Ctrl+Shift while launching the CPS shortcut. This bypasses and resets the user preferences and window layout to defaults. |
: Ensure your Motorola Customer Number (MCN) is linked to a valid software subscription. Download the Installer : Navigate to "Software and Licensing."
: A reliable programming cable is non-negotiable. Users suggest official Motorola cables or reputable third-party options like BlueMax49er to avoid driver-related connection failures. Ease of Use & Features Motorola CPS on Windows 10/11 | VK5ZM's Radio & Hobbies
Read through the Motorola Solutions End User License Agreement (EULA), select I Accept , and click Next .