I have a part that opens OK in my SW2014, but three other people (included VAR) are having trouble. I used to see this extra surface when I first got the part from the designer, but I can't remember what I didn't to fix it. The two other people here that tried to open it should have the same settings as I do because we all use the same settings file.
I've attached the part for reference.
What I see:
This is what they see (I rolled back enough of the feature tree to show the surface)