unable to export the display

[chakribobby]

Hi
i am getting below error message when i am trying to install a product

InstallShield Wizard

Initializing InstallShield Wizard...

Preparing Java(tm) Virtual Machine...
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...................The installer is unable to run in graphical mode. Try running the installer with the -console or -silent flag.

i have exported the display, i am able to export xclock and also have all packages of x11
rpm -aq | grep x11
xorg-x11-xauth-1.0.1-2.1
xorg-x11-server-Xvfb-1.1.1-48.41.el5
xorg-x11-fonts-ISO8859-1-100dpi-7.1-2.1.el5
xorg-x11-font-utils-7.1-2
xorg-x11-twm-1.0.1-3.1
xorg-x11-server-Xnest-1.1.1-48.41.el5
xorg-x11-fonts-misc-7.1-2.1.el5
xorg-x11-xkb-utils-1.0.2-2.1
xorg-x11-apps-7.1-4.0.1.el5
xorg-x11-fonts-Type1-7.1-2.1.el5
xorg-x11-fonts-75dpi-7.1-2.1.el5
xorg-x11-util-macros-1.0.2-4.fc6
xorg-x11-xtrans-devel-1.0.1-1.1.fc6
xorg-x11-xinit-1.0.2-15.el5
xorg-x11-fonts-base-7.1-2.1.el5
xorg-x11-fonts-ISO8859-1-75dpi-7.1-2.1.el5
xorg-x11-fonts-truetype-7.1-2.1.el5
xorg-x11-filesystem-7.1-2.fc6
dbus-x11-1.0.0-7.el5
xorg-x11-server-utils-7.1-4.fc6
xorg-x11-xtrans-devel-1.0.1-1.1.fc6
xorg-x11-proto-devel-7.1-9.fc6
xorg-x11-xfs-1.0.2-4
xorg-x11-fonts-100dpi-7.1-2.1.el5

please help me in this
thanks in advance

[Rubberman]

Have you tried to use the -console or -silent flags as the installer suggests?