getTopWindows() causes runtime crash

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VC6

C++

Javascript

Java

# # A fatal error has been detected by the Java Runtime Environment:
#
# Internal Error (0xe06d7363), pid=3292, tid=820
#
# JRE version: 6.0_17-b04
# Java VM: Java HotSpot(TM) Client VM (14.3-b01 mixed mode, sharing windows-x86 )
# Problematic frame:
# C [kernel32.dll+0x12aeb]
#
# 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.
#

I receive the following error intermittently while running a batch of scripts.
The problem is that it only happens some times and randomly. Any suggestions to stop this from happening are welcome.