John asked me the same thing when I asked for support once. I don't care what the convention is, I won't put Poser in Program Files unless I absolutely have to. When I had it in Program files I had lots of problems.

My poser is installed to 'e:smith microposer pro 2012'. It behaves well there.

 

Poser 11 Pro, Windows 10

Auxiliary Apps: Blender 2.79, Vue Complete 2016, Genetica 4 Pro, Gliftex 11 Pro, CorelDraw Suite X6, Comic Life 2, Project Dogwaffle Howler 8, Stitch Witch