I'm using steam, and when I click "play", it starts up, then crashes or something before it even gets to the logon screen and disappears. It was just fine last night, now I can't get it to work no matter what I do. Here's what the logs say:

#
# A fatal error has been detected by the Java Runtime Environment:
#
# EXCEPTION_ACCESS_VIOLATION (0xc0000005) at pc=0x690899b2, pid=1048, tid=7588
#
# JRE version: 6.0_25-b06
# Java VM: Java HotSpot(TM) Client VM (20.0-b11 mixed mode windows-x86 )
# Problematic frame:
# C [atioglxx.dll+0x599b2]
#
# If you would like to submit a bug report, please visit:
# http://java.sun.com/webapps/bugreport/crash.jsp
# The crash happened outside the Java Virtual Machine in native code.
# See problematic frame for where to report the bug.