http://blogs.msdn.com/b/xwebsupport/archive/2009/06/24/total-training-dvd-included-with-web-2-repeatedly-asks-for-silverlight-version-1-0-help.aspxThis is a known problem that pops up every now and then with the Total Training DVD that is included with Expression Web 2. Let’s go over the scenario. When you put the Total Training DVD into the machine you see a prompt telling you to install Silverlighten-USTelligent Evolution Platform Developer Build (Build: 5.6.50428.7875)