A crash occurs when user sets big number to -Xmx option in plug-in.

CONFIGURATION :
Windows XP SP2 JPN/IE6SP2/Plug-In1.4.2_09
Mem: 1GB
Hyper thread : on

1) Set 512m to -Xmx option in plug-in (-Xmx512m)
2) Invole attached test program(TC01-01_top.html).
crash occurs

NOTE:
The max heap size which should be set depends on the memory size in each PC.
In 5.0u6, the dialogue "Java Runtime Environment can not be loaded" appears.