Navigate to samples\C#\Enrollment . Build and run to test fingerprint capture.
| Issue | Likely Cause | Solution | |-------|--------------|----------| | | Secure Boot / Memory Integrity blocking unsigned driver | Temporarily disable Memory Integrity (Core Isolation) in Windows Security. | | “Cannot load SGFingerprintAPI.dll” | Missing Visual C++ runtime | Install VC++ Redistributable (x64) from Microsoft. | | Fingerprint reader not detected | USB selective suspend | Device Manager → USB Root Hub → Properties → Power Management → Disable “Allow computer to turn off this device”. | | Image capture fails with “Invalid parameter” | Using 32-bit app with 64-bit DLL | Ensure your application platform target matches x64 , not AnyCPU. | | Matching always returns false | Broken template format | Initialize BWAPI with SFG_INIT_NO_COPY flag. Refer to err_codes.h . | http- secugenindia.com sgi-bwapi-s-win-64bit.zip