Do not reinstall Windows yet. Follow these nine (9) troubleshooting steps in order.

| Problem | Possible Cause | Solution | |---|---|---| | Fingerprint registration fails | Dirty or wet finger | Clean and dry finger; reposition slightly | | "Invalid card number" error | Incorrect card format or encoder issue | Verify card compatibility; reinitialize encoder | | "Duplicate Finger" message | Fingerprint already exists in database | Delete existing template or use different finger | | Connection password error | Default password changed | Reset lock or use correct password | | Software installation error | OS compatibility issue | Use Windows XP SP3 to Windows 10 |

Navigate to the or About menu block inside the software dashboard. Locate and copy the long, alphanumeric string labeled as the unique Hardware ID or Machine Code. Step 2: Submit to an Authorized Distributor

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