That message usually occurs when you are trying to use a 64-bit version of Windows (which is not supported for use with the parallel port driver). If you are using a 64-bit version of Windows, you need to use an external motion device.

That message usually occurs when you are trying to use a 64-bit version of Windows (which is not supported for use with the parallel port driver). If you are using a 64-bit version of Windows, you need to use an external motion device.
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