Windows 2000 and user retrictions.

I have installed the latest version on IntelliCAD on a Windows 2000 with SP2.My question is: If I login as a "user" I get error (can't read them too fast) prompts something about registry and Regedit, then a beep and IntelliCAD loads. If I login as a "power user" or "administrator" I don't get them.What's going on? Can someone help?I would like to give my users "user" retrictions only.