Jdownloader Problem

I am trying to install jdownloader after formatting and using windows xp 64bit and it says on setup cannot intialize GUI installer
Answer #1
Do you have Java installed?
Answer #2
Yeah might be java problem. Update to latest version.
java.com
Answer #3
Verified Java Version
Congratulations!
You have the recommended Java installed (Version 6 Update 31).
Answer #4
I recommend you to read all of this,hope it will help you: http://board.jdownloader.org/showthread.php?t=9911
~lionden~