issue confirmed.

"... the contrained group is when cloth sticks on the surface correct?"

That's what we expect. Not what we observe. At this moment, the gap between those is as deep and wide as the Grand Canyon. Vertices are going wild sometimes. All contributions to bridging the gap and enhance our understanding are very welcome.

In the meantime, this thread already contains various suggestions that at least might postpone the collapse till frames far later in the animation.

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Usually I'm wrong. But to be effective and efficient, I don't need to be correct or accurate.

visit www.aRtBeeWeb.nl (works) or Missing Manuals (tutorials & reviews) - both need an update though