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The only drawback of not running WIndows natively on my machine is having to fire up a virtual machine for Poser, because Wine apparently can't handle its various quirks.

For me Poser 7 works under Wine quite fast and reliably. However, I spent a lot of time tweaking it about, but it does work. I have a virtual machine with a stripped down XP which I intended to use Poser in, but so far Poser runs very nicely under Wine after I resolved some issues. Just to say that it IS possible to get it running under Wine. And it's much faster in Linux than it never was in Windows under the exact same hardware I have.

Which version of Wine do you have? And can you describe what you've done to make it run better? I've still got a few issues with it, like when you select the head, for instance, the red outline stays on the features even when you mouse away from the preview window, making it more difficult to do fine control of ...say... the eyes.
Cheers, mate...

Monterey/Mint21.x/Win10 - Blender3.x - PP11.3(cm) - Musescore3.6.2

Wir sind gewohnt, daß die Menschen verhöhnen was sie nicht verstehen
[it is clear that humans have contempt for that which they do not understand] 

Metaphor of Chooks