Have you tried deleting your prefs? I've found that's often a fix for a bunch of weird Poser problems. I recently had to delete my LibraryPrefs.xml file because Poser was soooo slow. (Poser will regenerate it.)

This post has directions:

https://www.renderosity.com/rr/mod/forumpro/?thread_id=2935248#msg4360115

(The information used to be on the Smith Micro web site, but like everything else Poser related, it's gone now.)