title: Permission Denied on Xcode 4
body: <p>I'm getting error message about permission denied, when I build any app on Xcode 4:</p>
  
  <blockquote>
    <p>error: unable to create '/Users/mike/Library/Developer/Xcode/DerivedData/JewBack-ejcsrvhiqaxnzmdheqdhshjvwjng/Build/Products' (Permission denied)</p>
  </blockquote>
  
  <p>There's other error message, too:</p>
  
  <blockquote>
    <p>Check dependencies
    ProcessInfoPlistFile /Users/mike/Library/Developer/Xcode/DerivedData/JewBack-ejcsrvhiqaxnzmdheqdhshjvwjng/Build/Products/Debug-iphonesimulator/JewBack.app/Info.plist JewBack-Info.plist
        cd /Users/mike/Downloads/JewBack
        setenv PATH "/Developer/Platforms/iPhoneSimulator.platform/Developer/usr/bin:/Developer/usr/bin:/usr/bin:/bin:/usr/sbin:/sbin"
        builtin-infoPlistUtility JewBack-Info.plist -genpkginfo /Users/mike/Library/Developer/Xcode/DerivedData/JewBack-ejcsrvhiqaxnzmdheqdhshjvwjng/Build/Products/Debug-iphonesimulator/JewBack.app/PkgInfo -expandbuildsettings -format binary -platform iphonesimulator -o /Users/mike/Library/Developer/Xcode/DerivedData/JewBack-ejcsrvhiqaxnzmdheqdhshjvwjng/Build/Products/Debug-iphonesimulator/JewBack.app/Info.plist
    error: couldn't create directory /Users/mike/Library/Developer/Xcode/DerivedData/JewBack-ejcsrvhiqaxnzmdheqdhshjvwjng/Build/Products/Debug-iphonesimulator/JewBack.app: Permission deniederror: couldn't create directory /Users/mike/Library/Developer/Xcode/DerivedData/JewBack-ejcsrvhiqaxnzmdheqdhshjvwjng/Build/Products/Debug-iphonesimulator/JewBack.app: Permission deniederror: The file “Info.plist” doesn’t exist.</p>
  </blockquote>