Explorer closed when playing java based game known as runescape

FULL PRODUCT VERSION :
java version "1.6.0_06"
java <tm> se runtime environment <build 1.6.0_06-b02>
java hotspot<tm> client vm <build 10.0-b22, mixed mode, sharing>

A DESCRIPTION OF THE PROBLEM :
Internet browser keeps auto closing when i am on a java based game called runescape.

Happens randomly somtimes very often

ERROR MESSAGES/STACK TRACES THAT OCCUR :
#
# An unexpected error has been detected by Java Runtime Environment:
#
# EXCEPTION_ACCESS_VIOLATION (0xc0000005) at pc=0x0ad02fe8, pid=1432, tid=2360
#
# Java VM: Java HotSpot(TM) Client VM (10.0-b22 mixed mode, sharing windows-x86)
# Problematic frame:
# C 0x0ad02fe8
#
# If you would like to submit a bug report, please visit:
# http://java.sun.com/webapps/bugreport/crash.jsp
#


APPLET URL OR APPLICATION NAME:
www.runescape.com