title: Android Studio IDE on Mac os:error=13, Permission denied
body: <p>I downloaded an Android Studio for Mac and then want to run SDK manager,console then puts the message:</p>
  
  <pre><code> ProcessNotCreatedException: Cannot run program "/Users/MyUserName/Library/Android/sdk/tools/android": error=13, Permission denied
  </code></pre>
  
  <p>OS version:Yosemite 10.10.1</p>
  
  <p>Android Studio version:1.0.1</p>
  
  <p>What is the main cause for such error? Thank you so much!</p>