The problem happen cause Windows XP not support to java component.
there is two solutions to solve this problem.
1. Please update the firmware to 2.01a new firmware version.
2. Please go to the http://v4.windowsupdate.microsoft.com/en/default.asp and choose the "Microsoft Virtual Machine" and choose the green arrow logo of Review and install updates.
choose the" install now" to install the Microsoft Virtual Machine on line After set up completed , windows XP is support to java component. Then you can see the Web screen of WGSW-2402 under Windows XP.