title: how to execute an external application using firefox addon?
body: <p>I try to execute .exe file using nsIProcess. But it is not working and not giving any error message. I am working on firefox 10 and windows 7. Can anybody suggest me any solution? Thanks</p>
  
  <pre><code>var file = Components.classes["@mozilla.org/file/local;1"].createInstance(Components.interfaces.nsIProcess);
  file.initWithPath("C:\\Users\MJ\\Desktop\\Example.FaceDetection.exe");  
  file.launch(); 
  </code></pre>