For a while now I have been getting “system_profiler quit unexpectedly” crashes in OS X, and I get them a lot, but have not always been able to figure out why. I have a thread at Apple discussions on it, and finally someone else has run into the error.
And the thing we both have in common is that we both have PC NVIDIA cards as our Graphics cards, so it is quite possible that this is the issue. The other user has reported this as a bug to apple, but since we are not using approved video cards it will likely be ignored.
He also has a temporary solution, to disable the system profiler app, but this seems excessive in case you need the system profiler, but if it keeps bothering me I might try it.
sudo chmod -x /usr/sbin/system_profile (To revert this, use “+x” instead)
This is really an annoyance, and sometimes happens a lot in rapid succession, so I really do wish I could figure out a permanent solution to this problem.