I have PP2012, and had problems with W8.1 (I returned to W8 after some program issues forced me back), and had filed a bug with SM, only to be told that PP2012 was not compatible with either OS in the W8 regime.  I wish I can find that forum post which was last month.

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Asus N50-600 - Intel Core i5-8400 CPU @ 2.80GHz · Windows 10 Home/11 upgrade 64-bit · 16GB DDR4 RAM · 1TB SSD and 1TB HDD; Graphics: NVIDIA Geforce GTX 1060 - 6GB GDDR5 VRAM; Software: Poser Pro 11x