When I try to start the new SDK UI 1.4 on my Windows XP box, I get this exception on Eclipse .log file:

!SESSION ----------------------------------------------------------------------
!ENTRY org.eclipse.core.launcher 4 0 Jul 12, 2004 16:20:50.350
!MESSAGE Exception launching the Eclipse Platform:
!STACK
java.lang.ExceptionInInitializerError
at org.eclipse.core.internal.plugins.RegistryLoader.processManifestFile(RegistryLoader.java:89)
at org.eclipse.core.internal.plugins.RegistryLoader.processPluginPathFile(RegistryLoader.java:136)
at org.eclipse.core.internal.plugins.RegistryLoader.processPluginPathEntry(RegistryLoader.java:127)
at org.eclipse.core.internal.plugins.RegistryLoader.processManifestFiles(RegistryLoader.java:104)
at org.eclipse.core.internal.plugins.RegistryLoader.parseRegistry(RegistryLoader.java:63)
at org.eclipse.core.internal.plugins.RegistryLoader.parseRegistry(RegistryLoader.java:71)
(...)

Can anyone help me on this?