title: The feature you are trying to use is on a network resource that is unavailable
body: <p>Web platform installer 4.5 was downloaded from <a href="http://www.microsoft.com/web/downloads/platform.aspx" rel="nofollow noreferrer">official site</a>.
  During istallation got problem: it doesn't see <code>wpi.msi</code> file in the folder. But when I open this folder in explorer I see this file. Currently I have Web platform installer <strong>4.0</strong> and want to upgrate to version <strong>4.5</strong>. So I can't install Web Platform Installer 4.5.</p>
  
  <p><img src="https://i.stack.imgur.com/s4eVu.jpg" alt="wpi.msi missing"></p>