title: This site can't be reached error
body: <p>I have an <code>asp.net</code> MVC project developed in VS2015. Now I try to run it in VS2017 and get an error:</p>
  
  <blockquote>
    <p>This site can't be reached.</p>
  </blockquote>
  
  <p>What can I do with this trouble?</p>