User activity

I have created a favorite interior door based on library object D1 24. But when I use the favorite I am unable to then change the door surfaces (to, say, "orange"). Why would this be? If I select another favorite (say, a bifold door) I can easily cha...
can somebody help me with why I am getting these strange shadows on my roof surface in elevation? this is looking at the side of a pitched roof.  
I was wondering why my roof edge is not healing with my wall when they are the same surface. I'd like those lines to go away. Also please remind me how to align the surface on the end edge of the roof to be vertical? 
I have a model of a house with 20-30 various windows. I'd like to transfer the attributes of one of my window favorites (surfaces, jamb/sash dimensions, wall connection etc) onto all the windows at once but without changing the the current sizes or l...
In some of my elevation settings when I check the "Sun and Shadow" box on, the sun/shadow settings do not appear underneath. Is there something else that hides those settings?