Im a student. Since last month i've been using Autocad 2012 without any problems. After upgrading to Mountain Lion i noticed that Autocad won't start anymore; so i decided to update to 2013 version without any result. Autocad still unusable. I looked around for some workaround in the web but no one helps me.
I tried removing Autocad and deleting manually all the preferences, files and other Autodesk folder, reset the root folder permissions, creating the FLEXnet Publisher folder, launching the app with -nologo... but nothing!
So, Today I watched in the console and I discovered that when starting Autocad, LMU instantly crashes (EXC_BREAKPOINT (SIGTRAP)) and the application get stuck in the splash screen.
AutoCAD for Mac 2012 and 2013 are not currently supported to run on Mac OS X 10.8 Mountain Lion. Please check out this compatability page for updates and information on the Beta Service Packs (which add support).