title: Is xd_receiver.htm required?
body: <p>I am trying to diagnose why I am getting a blank popup when I attempt to authenticate to facebook when using IE.</p>
  
  <p>To start, I want to make sure my environment is setup correctly.  I do not have the xd_receiver.htm in the root of my website.  </p>
  
  <p>Q: What is the purpose of the xd_receiver.htm and is it needed for use with the facebook-c#-sdk 5.0.3?
  Q: If required, does the xd_receiver.htm file need to be only in root or in multiple locations?</p>
  
  <p>Since my app is simple, I am using the following code snip to login.  Once I get logged, I use the facebook-c#-sdk to do some simple POST to me/feed.</p>
  
  <pre><code>&lt;fb:login-button ... /&gt;
  
  &lt;script type="text/javascript" src="https://connect.facebook.net/en_US/all.js"&gt;&lt;/script&gt;
  &lt;script type="text/javascript"&gt;
  
      FB.init({ appId: '&lt;%= System.Configuration.ConfigurationManager.AppSettings["FacebookAppId"] %&gt;', status: true, cookie: true, xfbml: true });
      function facebook_onlogin_ready() {
      // refresh page
          window.location.reload(true);
      }
  
  &lt;/script&gt;
  </code></pre>
  
  <p>Any thoughts on why IE is through a blank popup would be appreciated.</p>
  
  <p>Thanks in advance.</p>
  
  <p>Steve</p>