Well, ever since I moved up to Poser 4 I have had a very bad problem with rendering animations. It seems that I can always render my first animation with no problems. But , after the first one is done, I select a new model and start another rendering. Each animation render is about 16 to 32 frames each (very small). The second animation ALWAYS locks up my poser program. I can shut down poser and reload it, but still cannot render any more animations without rebooting my machine. I tried reloading P4 which only helped for a little while, then it went right back to the same activity. When this problem first appeared (before the patch) It always locked up on frame # 17. Now it locks up randomly but always after the first set of animation renders. I am rendering as a set of bitmaps. Anyone else having this problem?