title: Mosquitto Error
body: <p>I am using Mosquitto for my project.
  I have installed mosquitto-1.4.8-install-win32.exe and also place the three binary in folder 
  1. pthreadVC2.dll
  2. libeay32.dll
  3. ssleay32.dll</p>
  
  <p>And reinstalled the mosquitto after that Started the services for mosquitto broker I entered following commands in cmd </p>
  
  <pre><code>*C:\Users\ravindra-s&gt;netstat -an
  Active Connections
    Proto  Local Address          Foreign Address        State
    ...
    TCP    0.0.0.0:912            0.0.0.0:0              LISTENING
    TCP    0.0.0.0:1883           0.0.0.0:0              LISTENING
    TCP    0.0.0.0:2701           0.0.0.0:0              LISTENING
    TCP    0.0.0.0:3306           0.0.0.0:0              LISTENING
    ...
    TCP    [::]:135               [::]:0                 LISTENING
    TCP    [::]:445               [::]:0                 LISTENING
    TCP    [::]:1883              [::]:0                 LISTENING
    TCP    [::]:2701              [::]:0                 LISTENING
   ...
  C:\Users\ravindra-s&gt;cd "c:\Program Files"
  c:\Program Files&gt;cd mosquitto
  c:\Program Files\mosquitto&gt;mosquitto -v
  1455619440: mosquitto version 1.4.8 (build date 14/02/2016 15:33:31.09) starting
  1455619440: Using default config.
  1455619440: Opening ipv6 listen socket on port 1883.
  1455619440: Error: Unknown error*
  </code></pre>
  
  <p>It doesn't show that "Opening ipv4 listen socket on port 1883." and shows error now.
  Previously my system  does not show this error. but Now it is showing and my application is not running properly.</p>
  
  <p>Please tell me to resolve this issue.</p>
  
  <p>Any Help appreciated .</p>
  
  <p>Thanks and Regards,
  Ravindra</p>