title: iOS Simulator failed to install the application
body: <p>I have created a Cordova 2.1.0 app, It ran fine for the first 2-3 times. But now when I am trying to run it through terminal it is giving me the following error.I didn't change anything.</p>
  
  <pre><code>Ankurs-Mac-mini:~ ankur$ /Users/ankur/Desktop/CordovaSMS/cordova/emulate 
  Ankurs-Mac-mini:~ ankur$ 2012-10-17 16:11:08.695 ios-sim[7032:507] stderrPath: 
  /Users/ankur/Desktop/CordovaSMS/cordova/console.log
  2012-10-17 16:11:08.698 ios-sim[7032:507] stdoutPath: 
  /Users/ankur/Desktop/CordovaSMS/cordova/console.log
  [DEBUG] Session could not be started: Error Domain=DTiPhoneSimulatorErrorDomain 
  Code=1 "iOS Simulator failed to install the application." UserInfo=0x7fc643902320 
  {NSLocalizedDescription=iOS Simulator failed to install the application.,
  DTiPhoneSimulatorUnderlyingErrorCodeKey=-1}
  </code></pre>
  
  <p>any help would be appreciated. 
  Thanks</p>