If that doesn't work.

 

1.  Try going to the windows section and changing the size of the document window there.

Or

 

2.  In Preferences, make sure you not only change to "Factory State", but also that you look under the other tabs as well. There is one other section you need to change before everything reverts back to default upon reloading Poser.

"It is good to see ourselves as others see us. Try as we may, we are never
able to know ourselves fully as we are, especially the evil side of us.
This we can do only if we are not angry with our critics but will take in good
heart whatever they might have to say." - Ghandi