Problem in jUSB project please help me

I am running this jUSB project code for USB detection on a computer. On
"WindowsXP" it runs fine but on "Windows 2000 Professional" it give me an
exception i.e.
java.io.IOException: USB Host support is unavailable.
at usb.core.HostFactory.getHost(HostFactory.java:84)
at RunUSBControllerTest.main(RunUSBControllerTest.java:24)
Kindly please help me in this regard if any one can solve this exception for me.
i was unable to find the solution and also no contact is found on the
source file website of this code.
the links to the site and code is
http://jusb.sourceforge.net/
http://www.steelbrothers.ch/jusb/

This question has asked a lot in different forums. I had same problen, when I compiled RunUSBControllerTest. I got I/O Exception: USB Host support is unavailable. I think I resolve this problem: I think that jusb.dll has compiled in older java version and depends on version. I had Java 1.4.2_05 and it dosen't worked out. I remove it and install java 1.4.1_03. Now the RunUSBControllerTest works fine. I hope this is the answer.

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