Interesting.  I unlinked my Poser 4 and Poser 5 backup Runtimes from Poser 8, and the grinding seems to have diminished (but not stopped, altogether).  What makes this interesting, perhaps, is that these two Runtimes were not located in Program Files, like the others.  I've no idea whether that could be significant somehow, or not.

If the available free RAM isn't actually leaking, I think I'll try working with P8 a bit, to see if I can replicate the lockup crashes I was having before SM had me uninstall-reinstall my display drivers.  Poser 8 may at least be stable now, possibly.

But the morph brush is really a problem.  Sigh.

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Cage can be an opinionated jerk who posts without thinking.  He apologizes for this.  He's honestly not trying to be a turkeyhead.

Cage had some freebies, compatible with Poser 11 and below.  His Python scripts were saved at archive.org, along with the rest of the Morphography site, where they were hosted.