Cannot launch game

[Goldenspeedster1]

Title: Cannot launch game

Version: 3.1.2

OS: OS X Mountain Lion (10.8.2)

Java Version: JDK-7u9-macosx-x64

Description of Problem:

It allows me to log in, and closes the login screen. A white window pops up, but immediately closes.

Error Messages:

Error Log:

[08:09:46] [sEVERE]	------------------------------------------

[08:09:46] [sEVERE]	Launcher is starting....

[08:09:46] [sEVERE]	Launcher Build: '1.0.2.0'

[08:09:46] [sEVERE]	Allocated 910.25 Mb of RAM

[08:09:46] [sEVERE]	Java VM: '1.7.0_09-b05'

[08:09:46] [sEVERE]	OS Version: '10.8.2'

[08:09:46] [sEVERE]	Is 64-bit: 'true'

[08:09:48] [sEVERE]	[info] Downloading 'mirrors.yml' from 'http://mirror.technicpack.net/Technic/mirrors.yml'.

[08:09:48] [sEVERE]	Starting download of 'http://mirror.technicpack.net/Technic/CHECKSUM.md5', with 3 trie(s) remaining

[08:09:49] [sEVERE]	Copying: /temp/file2974285619489754746.tmp to: /launcher/CHECKSUM.md5

[08:09:49] [sEVERE]	File Downloaded: /launcher/CHECKSUM.md5

[08:09:49] [sEVERE]	[MD5 Mismatch] File '/launcher/tekkit/modpack.yml' has md5 of '0617096edb6df25e4377a265c12483ba' instead of '032eedc7183acde5b75cd13f9ff2e324'

[08:09:49] [sEVERE]	[info] Downloading 'modpack.yml' from 'http://mirror.technicpack.net/Technic/tekkit/modpack.yml'.

[08:09:50] [sEVERE]	[info] Downloading 'minecraft.yml' from 'http://mirror.technicpack.net/Technic/minecraft.yml'.

[08:10:42] [sEVERE]	Loading Launcher from 'techniclauncher/tekkit'

[Goldenspeedster1]

The error log ends there. I have no clue how to fix, and need help