Quote - It's included because it sometimes works, but rather than try to explain when you can and cannot use it, we just say turn it off. If you forget to follow the details of when you must stop using it, you'll lose a day of work - better to just deal with slower saves.

V4 in partciular has something different about her that makes her not compatible with PMD files.

Not having a problem using PMD files, it just takes my computer forever to locate the file...hmmmm
I wonder if that's why it takes so long, it doesn't really work?