I've had another look at this, and it appears that I've been asking the wrong question! Certainly when I looked, the only FAQ I found related to doubts about running on 64-bit systems. It appears from your reply that the problem is more one of permissions on newer systems.
As far as installation of Net+O/S is concerned, I would have installed as administrator only if specifically prompted to do so. (I have another Eclipse-based development environment which required only normal user permissions to install and run, so wouldn't have automatically used administrator levels).
I would certainly not expect any need to run 'ordinary' software as an administrator; quite apart from possible security risks, it causes major problems with file permissions - all our project files are on shared servers, so if they are saved with administrator ownership, noone else can access them (including me when running from a different machine!)
What actually 'needs' administrator privileges for everything to work?