First off, you will need to set Poser to run as an administrator. Secondly, you'll need to be sure that the file is located in the said folder. If not, copy it from where it is. Thirdly and they stress this in the early adopters' forum and elsewhere, you need to move your runtime folder to another folder, not USER.

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OS: Windows 11 64-bit
Poser: Poser 11.3 ...... Units: inches or meters depends on mood
Bryce: Bryce Pro 7.1.074
Image Editing: Corel Paintshop Pro
Renderer: Superfly, Firefly

9/11/2001: Never forget...

Smiles are contagious... Pass it on!

Today is the tomorrow you worried about yesterday