title: Submit app windows phone fail
body: <p>I submit app on windows phone store. I receive messages:Certification failed. In error file Microsoft send for me, they don't show detail error for me. Nomally, If my app has error, I will receive message "Result: Failed", number of error in error file. I dont' know error in my app can't repair it. What is solution for that, please tell me.</p>
  
  <p>Detail my error file:</p>
  
  <p>Application Test Details:
  Capabilities Tested: Networking
  Language(s): Vietnamese
  Result: None
  Failure Summary:None
  Exception(s) Applied:None</p>
  
  <p>Thanks!!!</p>