Have you tried disabling sound by using the Options button before logging in and then exiting EQ and restarting it with sound disabled? I have seen issues with sound drivers in the past that caused similar crashes.
Here is a post that I briefly skimmed that seems like it may be sound related too (found from google search of the error in our debug file output):
http://forums.station.sony.com/eq/po...opic_id=125071