title: Can't use port 8080
body: <p>When I'm trying to run a service (RavenDB) on port 8080 it stops and the Windows Logs show the following error:</p>
  
  <pre><code>System.Reflection.TargetInvocationException: Exception has been thrown by the target of an invocation. ---&gt; System.Net.HttpListenerException: Failed to listen on prefix 'http://+:8080/' because it conflicts with an existing registration on the machine.
  </code></pre>
  
  <p>Acccording to IIS and <code>netstat -an | find "8080"</code> the port is currently not in use.</p>
  
  <p>If I change the port to any other, the problem disappears.</p>