["Second Life Viewer cannot be opened because of a problem"]

Okay I downloaded the program, when I opened it, it says "Second Life Viewer cannot be opened because of a problem." Here are the details:

Process:         Second Life [731]
Path:            /Volumes/Second Life Installer/Second Life Viewer.app/Contents/MacOS/Second Life
Identifier:      com.secondlife.indra.viewer
Version:         ??? (???)
Code Type:       X86 (Native)
Parent Process:  launchd [116]

OS Version:      Mac OS X 10.6.8 (10K549)

Dyld Error Message:
  Library not loaded: /usr/lib/libc++.1.dylib
  Referenced from: /Volumes/Second Life Installer/Second Life Viewer.app/Contents/MacOS/../Resources/libGLOD.dylib
  Reason: image not found

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

Please assist. I can't open it at all. Thank you.