Please tell us: the "non working" OSX version number the "working" OSX version number We need to understand the first problem, because the second problem might be linked to the first problem.
3dview not opening on a 2008 mac pro running el capitan version 10.11.6
3dview works fine on a 2014 fully loaded macbook pro running el cap too same os version The application still quits when i use it with live mobile after several program changes, not tried with the mac pro.