Have Adobe Creative Suite installed? Open up your Console app and see if your kernel is logging SIGSEGV errors every couple of seconds. (Hint: it is.)
It’s apparently a problem in the “License Manager”. The only thing I love more than DRM is DRM that actively cripples my computer.
To fix this fucking amateur hour Adobe bullshit, download and run this idiotic thing: http://www.adobe.com/support/contact/licensing.html
Or just don’t buy the bloated, festering sack of garbage in the first place.