title: I cannot open mongo dB in my command prompt
body: <p>When I type the <code>&quot;C:\Program Files\MongoDB\Server\4.4\bin\mongo.exe&quot;</code> on my command promt to open mongo db, it says</p>
  <pre><code>    MongoDB shell version v4.4.2
  connecting to: mongodb://127.0.0.1:27017/?compressors=disabled&amp;gssapiServiceName=mongodb
  Error: couldn't connect to server 127.0.0.1:27017, connection attempt failed: SocketException: Error connecting to 127.0.0.1:27017 :: caused by :: No connection could be made because the target machine actively refused it. :
  connect@src/mongo/shell/mongo.js:374:17
  @(connect):2:6
  exception: connect failed
  exiting with code 1
  </code></pre>