Cancel renders has always worked for me in P5 but I will agree with you that sometimes it don't work in Poser6 and the rendering are going to the end and this only when I use to render a fragment of the scene.. OpenGL don't use in this situation reflections, it can be well better because the quality is not super but I am happy that Poser6 have finally OpenGL because it works fantastic with the transparent maps and if you set your graphic card good it will create nice quality for the preview renders... A disappointment is to big word here, I buy a Update and for that money it is almost free if you see all the stuff included + new features... I think CL will fix the problems for sure if they decide that this is a serious problem.. I render 3 days 1000 of renders with high firefly rendering quality.. no one time poser6 crashed while I was working on.. it works smooth and fast for me.. as never before

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"Surrender to what it is - Let go of what was - Have faith in what will be "