AutoCAD 2013 fails to launch on MAC please help

[cesar.vargas020]

Hello every one i just downloaded autoCAD 2013 for my mac because my teacher suggested to have it on my computer for homework  and i have installed it and enterd the student serial and key but wen i try to launch it the splash screen says loading and after 5-10 seconds it disapears  my computer does seem to meet requierments here they are:

running on osx 10.7.2

 Model Name:MacBook Pro

  Model Identifier:MacBookPro8,1

  Processor Name:Intel Core i5

  Processor Speed:2.4 GHz

  Number of Processors:1

  Total Number of Cores:2

  L2 Cache (per Core):256 KB

  L3 Cache:3 MB

  Memory:4 GB

  Boot ROM Version:MBP81.0047.B26

  SMC Version (system):1.68f98

  Serial Number (system):C02H4D8TDV13

  Hardware UUID:E527E295-DCEC-551F-9AB6-6CA32BE27376

  Sudden Motion Sensor:

  State:Enabled

please help i have homework this weekend and skool is far from home Thank You!!

[cesar.vargas020]

here are the Console system logs during my attempt to open autoCAD

Marker - Jan 25, 2013 9:20:09 PM
Jan 25 21:20:12 unknown68a86d507ef6 [0x0-0xf40f4].com.autodesk.AutoCAD[9424]: set SkipExisting to true
Jan 25 21:20:12 unknown68a86d507ef6 [0x0-0xf40f4].com.autodesk.AutoCAD[9424]: Materials Configuration Not Found in the Bundle - Skipping