title: PgAdmin4 enable debugging
body: <p>I am unable to enable debugging in pgAdmin4. I have performed the following: 
  1. checked $libdir 
  2. checked the locatin of plugin_debugger.dll 
  3. changed postgresql.conf 
  and the database will not restart. </p>
  
  <p>Any suggestions what have I done wrong?</p>
  
  <p><a href="https://i.stack.imgur.com/b0DyL.png" rel="noreferrer"><img src="https://i.stack.imgur.com/b0DyL.png" alt="the steps taken"></a></p>