Problem with java applications - java.exe in loop

Hi
I just install j2sdk1.4.1_01
I got a problem:
when I run any code without graphics (clasic hello world with println) everything run fine
when I try to run anythig else (with some swing) the java.exe process start to use 100% of the CPU and never end (probably a loop)
The same think happen when I launch Java web Start so I suppose that the problem is not the code (I just use some dialog with one or two buttons and the application run fine on other pc).
My system:
OS: w2k server - SP3
CPU: P4 1.8GHz
RAM: 512 MB
several services running: IIS with dhcp server, DNS server.
The system was scanned and no viruses are found.
I unistall everything (j2sdk, jre, web start) and I got the same after reinstalling them.
I launch the application from the comand line and the results doesn't change.
I install a different version of SDK (02 instead of 01) but nothing change.
The same happens if I try to use jbuilder8.
Any idea

Try updating DirectX.

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