AIR 2.0 in MAC application of NativeProcess - Error #3014 & Error #3019

Hello,

I create a .dmg package for mac and installed project successfully in mac and run properly but when i used a nativeprocess meanse like i give path of open photoshop  like "/Applications/Adobe Photoshop CS5/Adobe Photoshop CS5.app" then file is exists but when i file given to native process object like nativeProcessStartupInfo.executable = file;  it gives error Error #3014 and if i gives any .dmg path then it gives Error #3019 ,

my current code is :

            private function openPhotoshop():void
            {
                if(NativeProcess.isSupported)
                {
                    var file:File = File.applicationDirectory;
                    file = file.resolvePath("/Applications/Adobe Photoshop CS5/Adobe Photoshop CS5.app");
                    var procarg:Vector.<String> = new Vector.<String>();
                     var nativeProcessStartupInfo:NativeProcessStartupInfo = new NativeProcessStartupInfo();
                    nativeProcessStartupInfo.executable = file;
                    procarg.push("start");
                    nativeProcessStartupInfo.arguments = procarg;
                    process = new NativeProcess();               
                    process.start(nativeProcessStartupInfo);                   
                }
            }

Can u please help me how can i open any application like photoshop in mac using NativeProcess ,

Thanks,

Mohit.