hi liam, i'm not very familiar with java, but a colleague ran some tests and gave me the following results. client : - OS: Windows XP SP2 - Browser: IE6 and FireFox 1.07 - JRE: Version 1.5.0 (build 1.5.0_04-b05) java console : Exception in thread "AWT-EventQueue-1" java.lang.IllegalArgumentException: Invalid remove at javax.swing.JTextArea.replaceRange(Unknown Source) at com.sun.deploy.util.ConsoleWindow$24.run(Unknown Source) at java.awt.event.InvocationEvent.dispatch(Unknown Source) at java.awt.EventQueue.dispatchEvent(Unknown Source) at java.awt.EventDispatchThread.pumpOneEventForHierarchy(Unknown Source) at java.awt.EventDispatchThread.pumpEventsForHierarchy(Unknown Source) at java.awt.EventDispatchThread.pumpEvents(Unknown Source) at java.awt.EventDispatchThread.pumpEvents(Unknown Source) at java.awt.EventDispatchThread.run(Unknown Source) -ulrich- Liam Kelly wrote: > > I'm not sure what exactly you mean by a "hangup", but you may need to > adjust your browser security settings to allow both Java and pop-ups > from the LISTSERV server. Alternately (if you mean that the browser > locks up entirely), you may have a problem with the java installation on > your workstation -- upgrading the version of the JVM or switching from > the MS to the Sun JVM may help. >