Have you got the LC-1 Logworks software installed on your PC? That has the drivers, you then need to select the right com port on your PC, although, with serial to USB, it should automatically assign it. You need to make sure there is no conflict with OP2.

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F.B. Racing
01 WRX (STI badged)
2010 XR5 Focus
06 Impreza Hatch 2.0i