Thanks, Cage. I managed to revert to SR2. I didn't have SR3. I'm guessing I hadn't installed it. Not sure if that was the source of the problem. Hopefully they'll get this problem fixed. I think they've got Poser Pro running with Queue manager now (?), which I can't do.

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Hardware: AMD Ryzen 9 3900X/MSI MAG570 Tomahawk X570/Zotac Geforce GTX 1650 Super 4GB/32GB OLOy RAM

Software: Windows 10 Professional/Poser Pro 11/Photoshop/Postworkshop 3