title: error: failed to attach to process ID 1869
body: <p>I'm getting the above error. </p>
  
  <p>I'm running Version 4.3.2 (4E2002) and testing in iPhone 5.0 simulator. 
  The simulator opens but i just get black screen the apps not run .
  Even I tried:-</p>
  
  <p>1.you can delete the App directy under <code>~/Library/Application Support/iPhone Simulator/6.0/Applications and ~/Library/Developer/Xcode/DerivedData</code></p>
  
  <p>2.then you can start Xcode ; in the menubar you can find Project -> Clean
  But its not working.</p>
  
  <p>Do i need to  install Xcode again?</p>