Unexpected Application Error

0) Have you read the "READ ME FIRST" Yes
1) Operating System: OS X 10.5
2) OS Type: 64bit
3) rekordbox version: Rekordbox 4
8) Is rekordbox crashing at all: Yes
8a) If crashing, is it resulting in: an error message OR a crash log OR both (DO NOT POST YOUR CRASH LOG UNLESS REQUESTED!) YES
11) Any other notes regarding your setup only:
12) Provide as much detail of the issue here:

Installed Rekordbox 4 onto factory new Mac, installation was complete but when I click on the application I get 'Unexpected Application Error'

Uninstalled Rekordbox and removed all traces from the Mac and tried a new download in install but same problem occurs.

Can provide error report.

Thanks.