title: Error HRESULT E_FAIL has been returned from a call to a COM component
body: <p>In Silverlight 4 app; what does this error mean?:</p>
  
  <blockquote>
    <p>"Error HRESULT E_FAIL has been returned from a call to a COM component." </p>
  </blockquote>
  
  <p>It's a very generic error. The VS debugger doesn't point to the exact location of the error when debugging. </p>