title: Error while opening a new pgAdmin 4 window
body: <p>I have just started using pgAdmin 4 PostgreSQL and when I am running it I receive this alert:</p>
  
  <pre><code>dial tcp 127.0.0.1:50582: getsockopt: connection refused
  </code></pre>
  
  <p>How to deal with it? I am an absolute beginner, so please explain thorougly.</p>