A
conflict may occur if one version of Java is installed natively and
another one is included in a Thinstalled executable. This is
because newer versions of Java also install a plugin DLL that gets
loaded by IE. This plugin DLL overwrites virtual registry keys when
it is loaded and can conflict with a virtualized copy of older Java
runtimes. You can prevent IE from loading plugins by adding the
following line to beginning of HKEY_LOCAL_MACHINE.txt