Also, if you have an Intel CPU, please try this:
Edit __ENCODE_3D_MOVIE.avs and change the mode parameter of the DGMVCSource command from "auto" to "sw", like this:
Code:
interleaved = DGMVCSource("00000.track_4113.264", "00000.track_4114.mvc", view = 0, frames = 203743, mode = "sw")
Relaunch the encoding (of course, after having removed the blue lines from the __ENCODE_3D.cmd file).
Does it work ?
If it works, that means that the libmfxhw32.dll file installed with your Intel drivers doesn't work. Try to update the intel drivers to the latest version. Or you can just change Settings -> MVC Decoder -> Hardware Acceleration from Auto to Disabled. The encoding will be slightly slower, but anyway, the speed gain is minimal.