title: This workbook cannot be opened because it is not stored in a trusted location. to create a trusted location, contact your system administrator
body: <p>I use <code>SharePoint 2013</code> and i have a BI Web Site.</p>
  
  <p>I change my web site name inside <code>DNS Server</code> but after this change my <code>PowerPivot Report</code> can not open.</p>
  
  <p>I get this error :</p>
  
  <pre><code>This workbook cannot be opened  
  because it is not stored in a trusted location.  
  
  to create a trusted location, 
  contact your system administrator. 
  </code></pre>
  
  <p><img src="https://i.stack.imgur.com/2X1rJ.png" alt="enter image description here"></p>
  
  <p>How can I fix this error?</p>