Basic follow-up question for new .NET Developer

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From: John DeBoer (johncdeboer_at_hotmail.com)
Date: 08/03/04 

Date: Mon, 2 Aug 2004 19:53:03 -0700

I'm trying to learn ASP.NET by playing around with several sample projects, including DotNetNuke. One of the references is for the envDTE object. The problem is that I continuously get error message saying that "...file or assembly 'EnvDTE' or one of its dependancies is not loaded". I even went out and explicitly referenced this object but it still doesn't work.

What is this telling me?