Millisecond Forums

I installed Inquisit Lab 6.6.1 on a Windows 7 computer using an administrative account.  I was prompted to register the software which appeared to be successful as shown in the screenshot 
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On the same computer I logged on using a different, non-administrative account and was prompted to register the software again.
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Is this expected behaviour?  Does every user on the computer have to register the software for themselves?  I assumed the registration was for the computer and not the user.
-Chris