Steam Crashing Upon Client Launch

[Cheeezburger]

When I try to launch Steam it tries to update, then immediately crashes once the download is complete and tries to install:
Here is the error diagnosis:
Process: steam [3601]
Path: /Applications/Steam.app/Contents/MacOS/osx32/steam
Identifier: com.valvesoftware.steam
Version: ??? (1.2)
Code Type: X86 (Native)
Parent Process: bash [3594]

Date/Time: 2013-06-06 10:51:29.057 -0500
OS Version: Mac OS X 10.6.8 (10K549)
Report Version: 6

Interval Since Last Report: 342487 sec
Crashes Since Last Report: 18
Per-App Interval Since Last Report: 130951 sec
Per-App Crashes Since Last Report: 18
Anonymous UUID: 12181D34-09CA-4E71-9639-99FB3936F2D6

Exception Type: EXC_BAD_ACCESS (SIGBUS)
Exception Codes: KERN_PROTECTION_FAILURE at 0x000000000038e4d0
Crashed Thread: 3

Model: MacBookPro5,4, BootROM MBP53.00AC.B03, 2 processors, Intel Core 2 Duo, 2.53 GHz, 8 GB, SMC 1.49f2
Graphics: NVIDIA GeForce 9400M, NVIDIA GeForce 9400M, PCI, 256 MB
Memory Module: global_name
AirPort: spairport_wireless_card_type_airport_extreme (0x14E4, 0x8D), Broadcom BCM43xx 1.0 (5.10.131.42.4)
Bluetooth: Version 2.4.5f3, 2 service, 12 devices, 1 incoming serial ports
Network Service: AirPort, AirPort, en1
Serial ATA Device: TOSHIBA MK2555GSXF, 232.89 GB
Serial ATA Device: MATSHITADVD-R UJ-868
USB Device: Built-in iSight, 0x05ac (Apple Inc.), 0x8507, 0x24400000 / 2
USB Device: Internal Memory Card Reader, 0x05ac (Apple Inc.), 0x8403, 0x26500000 / 2
USB Device: Apple Internal Keyboard / Trackpad, 0x05ac (Apple Inc.), 0x0236, 0x04600000 / 4
USB Device: IR Receiver, 0x05ac (Apple Inc.), 0x8242, 0x04500000 / 3
USB Device: BRCM2046 Hub, 0x0a5c (Broadcom Corp.), 0x4500, 0x06100000 / 2
USB Device: Bluetooth USB Host Controller, 0x05ac (Apple Inc.), 0x8217, 0x06110000 / 3

I took out the middle part because it was too much text.

[joeismoe]

This is happening to pretty much all mac users. No fix yet :/

[hgrimstad]

:(