After you've tried uninstalling COD2 and re-started your computer, see if LW starts up without any problem. If not, uninstall LW and all JAVA versions on your pc. Re-install Java 1.5.0_07 with the offline installer, restart your pc and then install again LW.

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"Never Argue With An Idiot. They Will Drag You Down To Their Level, Then Beat You With Experience"