I have my runtimes on another drive with categories of animals, buildings, scenes,mythical etc. They all work fine with Poser2012.

The only runtimes I had problems with 2012 were the runtimes I have on DVD. They won't let Poser write/make a "scene" category like it does on the hard drive ones. I had to re-burn them to another dvd and included the new runtime/libraries/scene. Then they worked like they always have.

Poser2012 support for this DVD problem was excellent and they worked with me till we figured out what was wrong.