http://blogs.msdn.com/b/xweb/archive/2009/03/16/page-cannot-be-found-issue-when-previewing-via-expression-development-server.aspxWhen you use the Preview in Browser feature in Expression Web for an ASP.NET or PHP page, Expression Web runs the Microsoft Expression Development server to preview your content in an environment that emulates a real-world web server. &#160; Microsoften-USTelligent Evolution Platform Developer Build (Build: 5.6.50428.7875)http://blogs.msdn.com/b/xweb/archive/2009/03/16/page-cannot-be-found-issue-when-previewing-via-expression-development-server.aspx#10017242Sat, 29 May 2010 07:02:58 GMT91d46819-8472-40ad-a661-2c78acb4018c:10017242Alex<p>I&#39;ve spent 3 days trying to figure out why this was happening. THANKS! &nbsp;=)</p> <div style="clear:both;"></div><img src="http://blogs.msdn.com/aggbug.aspx?PostID=10017242" width="1" height="1">http://blogs.msdn.com/b/xweb/archive/2009/03/16/page-cannot-be-found-issue-when-previewing-via-expression-development-server.aspx#9481802Mon, 16 Mar 2009 21:17:26 GMT91d46819-8472-40ad-a661-2c78acb4018c:9481802Anith &raquo; &quot;Page Cannot Be Found&quot; Issue when Previewing via Expression Development Server<p>PingBack from <a rel="nofollow" target="_new" href="http://www.anith.com/?p=19354">http://www.anith.com/?p=19354</a></p> <img src="http://blogs.msdn.com/aggbug.aspx?PostID=9481802" width="1" height="1">