I have had a problem across multiple installs of Poser, and different PCs, that if you accidently click on a Poser window while it is in the process of doing something the window will go white and Poser will crash. One of the big pluses of Poser 11 for me is the auto save function, although it does mean that once I am happy with a scene and I am sure it is saved I have to go back and deleted the autosave folder otherwise the amount of disk space the autosave folders take up build up.

 

 

I use Poser 13 on Windows 11 - For Scene set up I use a Geekcom A5 -  Ryzen 9 5900HX, with 64 gig ram and 3 TB  storage, mini PC with final rendering done on normal sized desktop using an AMD Ryzen Threadipper 1950X CPU, Corsair Hydro H100i CPU cooler, 3XS EVGA GTX 1080i SC with 11g Ram, 4 X 16gig Corsair DDR4 Ram and a Corsair RM 100 PSU .   The desktop is in a remote location with rendering done via Queue Manager which gives me a clearer desktop and quieter computer room.