....works without problems in Windows 2000.
...does not start since we added more functionality and more jar files. This leads to a longer classpath and there is a smaller limit of the command line in Windows 2000 then in newer Windows versions.
The solution is simple:
Another problem in such old systems can be: you have a too old Internet Explorer that is used to display our welcome page. When you experience a problem that Spoon starts but crashed without a warning than this can be the issue. Update your Internet Explorer.