title: Unable to Boot Simulator, EL Capitan xcode 7.3
body: <p>May be i am asking this question again but none of the answers here available has worked for me. i am unable boot my simulator to test my app while i can test my app in ios device connected to it.</p>
  
  <p>I reset the simulator,reinstalled my xcode twice but nothing worked, i am using xCode 7.3, OS X El Capitan. Any help would be appreciated. </p>