title: MongoDB get error as an the target machine actively refused it
body: <p>i'm newbie in mongodb and after installing mongo installer package on windows i get this error when i try to use mongo on shell and command prompt. i can not find any solution for this problem:</p>
  
  <pre><code>C:\Program Files\MongoDB 2.6 Standard\bin&gt;mongo
  MongoDB shell version: 2.6.7
  connecting to: test
  2015-02-20T16:43:11.971+0330 warning: Failed to connect to 127.0.0.1:27017, reas
  on: errno:10061 No connection could be made because the target machine actively refused it.
  2015-02-20T16:43:11.987+0330 Error: couldn't connect to server 127.0.0.1:27017 (
  127.0.0.1), connection attempt failed at src/mongo/shell/mongo.js:146
  exception: connect failed
  
  C:\Program Files\MongoDB 2.6 Standard\bin&gt;
  </code></pre>