@npayn : I have made a test with Maria hair in Poser and in Daz Studio. On my computer, all works correctly.

I send you a video showing the result : https://drive.google.com/open?id=0B9c39Rz2Ec-JRHk4TjR6U0pMeVE to show you that the simulation exists.

I begin to have some ideas about these errors. Can you confirm me that the messages appear always during the simulation.

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