Please help me figure out the reason for this error

Hello I am trying to run the jar Gui file I got from http://www.cs.cmu.edu/~cmucam/cmucam2/downloads.html
and am getting the following error:
Exception in thread "main" java.lang.UnsatisfiedLinkError: no sserial in java.li
brary.path
at java.lang.ClassLoader.loadLibrary(Unknown Source)
at java.lang.Runtime.loadLibrary0(Unknown Source)
at java.lang.System.loadLibrary(Unknown Source)
at serialPort.<clinit>(serialPort.java:22)
at SerialComm.<init>(SerialComm.java:50)
at CameraSerial.<init>(CameraSerial.java:64)
at MainWindow.<init>(MainWindow.java:620)
at CMUcam2GUI.main(CMUcam2GUI.java:7)
Can anyone figure out why I am getting this error? I am running it on a windows xp professional system.

Yes you need the sserial native library (and no I do not know where to get it).

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