I do that for every DAW and Video editing program I use...saves lots of 
hassles down the road...LOL

TMI alert:
 
Running a program as a user who is part of the Administrators group is not the same as running as the Administrator account. 
 
With UAC, when you run a program it gets a restricted access token. Even though your user is a member of the administrators group, it may not actively have Administrator privileges. When you run a program and select "Run as Administrator", and your user is a member of the Administrators group, you are given an unrestricted access token.
 
The reasoning behind this is that even Admins seldom require full access for everyday work. In our world though, our programs sometimes need to make changes to the system that do require full admin privileges. Usually selecting "Run as Administrator" works in these situations.

Btw once you've entered all your registration dim pro and rap pro codes you should not need to run Sonar as administrator again, generally not advisable as there can be other consequences down the line (drag and dropping files may stop working for instance). Often buggy plugins can be worked around by registry hack (if it ever occurs).

When a piece of software needs rights to change global configuration such as the registry, even an admin gets the "elevated rights" prompt. You can turn that off in Group Policy, but that's generally not a good thing to do. I, for one, would like to know if a piece of software is going to affect system settings outside the program settings for the individual piece of software.