How do I build a Release Version?

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From: OC (nfr_at_nospam.com)
Date: 02/19/04 

Date: Thu, 19 Feb 2004 08:30:35 -0800

I go into the properties menu of my solution and changed Configuration from
Active(Debug) to Release. All projects were changed.

However, when I recompile the solution, I only get the debug version...
going back into solution properties I see it has been reset to
Debug(Active).

What's going on?