Windows 2000 Sp4
Build: /net/altair.east/terra/space4/nightly-archives/tiger-m3/2003-08-18/windows-i586/j2re-1_5_0-fcs-bin-b99-windows-i586-18_aug_2003.exe

Can not run javaws.exe. Can not start JNLP Application Viewer on Win2K. On WinXP working fine.
In previous build dated August 14 it is working fine.

Steps:
- install Tiger build
- try to run javaws.exe

Log:
basic: unique id: JNLP Cache Viewer
basic: Launching Cache Viewer
Ignored exception: java.net.SocketException: Unknown proxy type : HTTP
java.net.SocketException: Unknown proxy type : HTTP
at java.net.SocksSocketImpl.bind(SocksSocketImpl.java:649)
at java.net.ServerSocket.bind(ServerSocket.java:356)
at java.net.ServerSocket.<init>(ServerSocket.java:222)
at java.net.ServerSocket.<init>(ServerSocket.java:134)
at com.sun.deploy.si.SingleInstanceImpl$SingleInstanceServer.<init>(SingleInstanceImpl.java:95)
at com.sun.deploy.si.SingleInstanceImpl.addSingleInstanceListener(SingleInstanceImpl.java:49)
at com.sun.javaws.ui.CacheViewer.<init>(CacheViewer.java:102)
at com.sun.javaws.ui.CacheViewer.main(CacheViewer.java:997)
at com.sun.javaws.Main.main(Main.java:145)