rekordbox for mac 10.6.3 problem

i downloaded rekordbox 4.2.0 for my mac but it isn't working.

can anybody help me, cause it works on my hp and not on my mac.
you can find specs and problems in the folder below

thanks

Process: rekordbox [217]
Path: /Applications/rekordbox 4/rekordbox.app/Contents/MacOS/rekordbox
Identifier: com.pioneerdj.rekordboxdj
Version: ??? (???)
Code Type: X86 (Native)
Parent Process: launchd [112]

Date/Time: 2015-11-07 20:48:35.390 +0100
OS Version: Mac OS X 10.6.8 (10K549)
Report Version: 6

Interval Since Last Report: 2153 sec
Crashes Since Last Report: 4
Per-App Crashes Since Last Report: 4
Anonymous UUID: F5D3D82F-ABCA-4368-AC55-B61C16CB11CB

Exception Type: EXC_BREAKPOINT (SIGTRAP)
Exception Codes: 0x0000000000000002, 0x0000000000000000
Crashed Thread: 0

Dyld Error Message:
Library not loaded: /System/Library/Frameworks/AVFoundation.framework/Versions/A/AVFoundation
Referenced from: /Applications/rekordbox 4/rekordbox.app/Contents/MacOS/rekordbox
Reason: image not found

Binary Images:
0x8fe00000 - 0x8fe4163b dyld 132.1 (???) <4CDE4F04-0DD6-224E-ACE5-3C06E169A801> /usr/lib/dyld

Model: MacBook1,1, BootROM MB11.0061.B03, 2 processors, Intel Core Duo, 1.83 GHz, 2 GB, SMC 1.4f12
Graphics: Intel GMA 950, GMA 950, Built-In, spdisplays_integrated_vram
Memory Module: global_name
AirPort: spairport_wireless_card_type_airport_extreme (0x168C, 0x86), Atheros 5424: 2.1.14.6
Bluetooth: Version 2.4.5f3, 2 service, 19 devices, 1 incoming serial ports
Network Service: AirPort, AirPort, en1
Serial ATA Device: Hitachi HTS545016B9A300, 149,05 GB
Parallel ATA Device: MATSHITACD-RW CW-8221
USB Device: Built-in iSight, 0x05ac (Apple Inc.), 0x8501, 0xfd400000 / 2
USB Device: IR Receiver, 0x05ac (Apple Inc.), 0x8240, 0x5d200000 / 2
USB Device: Apple Internal Keyboard / Trackpad, 0x05ac (Apple Inc.), 0x0218, 0x1d200000 / 2
USB Device: Bluetooth USB Host Controller, 0x05ac (Apple Inc.), 0x8205, 0x7d100000 / 2