title: How to solve "Microsoft Visual Studio (VS)" error "Unable to launch the IIS Express Web server"
body: <p><strong>PROBLEM</strong></p>
  
  <p>In some cases "<a href="http://www.microsoft.com/visualstudio/eng" rel="nofollow">Microsoft Visual Studio (VS)</a>" when you use "<a href="http://www.iis.net/learn/extensions/introduction-to-iis-express/iis-express-overview" rel="nofollow">Microsoft Internet Information Services Express (IIS)</a>" and you have attached web site project to IIS after run Build shown this error message </p>
  
  <p><code>Unable to launch the IIS Express Web server</code>.</p>
  
  <p>How can I solve it if exception message does not shown nothing more?</p>