title: Unable to launch the IIS Express Web server
body: <p>I have an asp.net MVC 4 solution. When I try to open it using Visual studio 2012, I get following error:</p>
  
  <blockquote>
    <p><strong>Microsoft Visual Studio</strong></p>
    
    <p>Configuring Web <code>https://localhost:</code> for ASP.NET 4.5 failed. You must
    manually configure this site for ASP.NET 4.5 in order for the site to
    run correctly. Could not find the server <code>https://localhost:44300/</code> on
    the local machine. Make sure the local IIS server has been configured
    to support secure communications.</p>
    
    <p><strong>OK   Help</strong></p>
  </blockquote>
  
  <p>Although the solution opens. Also, When I try to run it from debug menu, I get following error:</p>
  
  <pre><code> Unable to launch the IIS Express Web server.
  
  The start URL specified is not valid. https://localhost:44300/
  </code></pre>
  
  <p>and I can not debug the code. how to get rid of these errors and debug/run the web site from VS 2012 ?</p>
  
  <p>Please suggest.</p>
  
  <hr>