You may want to take a look here for a possible problem description, and an explanation: VS 2008 SP1 and Profiles
Is this what you're running into?
For WAPs, you may also want to take a look here: http://weblogs.asp.net/joewrobel/arc...-projects.aspx
To follow along with the Planet Wrox project, you're best off getting a copy of the source from Chapter 16 and use that.
Hope this helps,