Mac build crashes on start up

Hi everyone, I have been encountering a problem with my osx builds in Unity, note that it was build using a windows computer. When I click on the app I get a message box with "The application quit unexpectedly".

Here is the error log:

 Process:         Charlie Point [243]
 Path:            /Volumes/HP USB FD/Mac/Charlie Point.app/Contents/MacOS/Charlie Point
 Identifier:      unity.Bon-Fire Productions.Charlie Point
 Version:         ??? (???)
 Code Type:       X86 (Native)
 Parent Process:  launchd [98]
 
 Interval Since Last Report:          5893 sec
 Crashes Since Last Report:           3
 Per-App Interval Since Last Report:  0 sec
 Per-App Crashes Since Last Report:   3
 
 Date/Time:       2013-07-31 15:22:40.621 +0100
 OS Version:      Mac OS X 10.5.8 (9L31a)
 Report Version:  6
 Anonymous UUID:  3D90DE91-A5D5-4DF0-B9A0-686666F58E47
 
 Exception Type:  EXC_BREAKPOINT (SIGTRAP)
 Exception Codes: 0x0000000000000002, 0x0000000000000000
 Crashed Thread:  0
 
 Dyld Error Message:
   Symbol not found: __NSConcreteGlobalBlock
   Referenced from: /Volumes/HP USB FD/Mac/Charlie Point.app/Contents/MacOS/Charlie Point
   Expected in: /usr/lib/libSystem.B.dylib

Any help will be appreciated Thanks