The "View - View Selected Objects Only" option requires two clicks to work. Why?
This error was present in the American edition of STAAD.Pro 2004 Build 1004. For finding the Release and build number, go to Help - About STAAD.Pro. It has been corrected in Build 1005.US.REL. In case you still need to use the version that had the problem, you could do the following to get around the problem :
a) Go to the View menu and choose "View Selected Objects Only" again.
b) Click the right mouse button, choose "New View" followed by one of the 2 options it offers.