I can provide targeted troubleshooting steps or alternative driver files based on your specific setup. Share public link
Once installed, the yellow exclamation mark should disappear. The device will now display under as a virtual COM port (e.g., Xinje USB Serial Port (COM3) ) or under a dedicated Universal Serial Bus controllers heading. Note down the assigned COM port number. Method 3: Handling Windows Driver Signature Enforcement xinje plc usb driver install
Ensure you have the necessary components ready before beginning the installation process: I can provide targeted troubleshooting steps or alternative
The driver is rarely a separate download. It is almost always included inside the installation directory of the XCP Pro software. Note down the assigned COM port number
| Error Code | Text | Likely Cause | Fix | | :--- | :--- | :--- | :--- | | | Driver disabled in registry | A previous failed install left a flag. | Manual registry cleanup or System Restore. | | Code 39 | Driver corrupted | Windows update overwrote the driver. | Reinstall XINJE driver, then block Windows driver updates via Group Policy. | | Code 52 | Unsigned driver | Windows 10/11 secure boot. | Disable driver signature enforcement (see Part 2). | | 43 | Port reset failed | Power surge or faulty PLC USB chip. | Test PLC on another PC. If same error, RMA the PLC. |
The Xinje USB driver is bundled with the company’s official programming suite, . Do not search for the driver as a standalone file, as it is integrated into the main software installation.