"Maybe it is a memory problem, it might do a few frames ok then run out of memory to do the rest?"

I thought it might be a memory issue as well, but now I doubt it, because of this:

I added a dynamic clothing item to the figure, and ran a successful sim to frame 252 (the end). I saved the file and shut down Poser for the evening. The next morning, I boot up and immediately open that file again first thing, only to find the sim I ran previously was no longer simulated any more. Ugh. What happened? So I re-calculate the same cloth AGAIN, and then it just starts dropping out and never completes again. I reboot several times, replaced the cloth item with another cloth item, and same thing keeps happening.

Then I start a NEW poser file, load yet another figure that's even higher res than the previous one, using a more complex dynamic cloth than before, with the same BVH motion for the same number of frames, and the sim works. I'm at a loss. Message edited on: 11/07/2004 20:54

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Tools :  3dsmax 2015, Daz Studio 4.6, PoserPro 2012, Blender v2.74

System: Pentium QuadCore i7, under Win 8, GeForce GTX 780 / 2GB GPU.