From: <glassfish_at_javadesktop.org>
Date: Fri, 10 Oct 2008 23:14:13 PDT
GFv3 update tool will support this type of product updates. For GFv2 on Windows, you need to install GFv2UR2 and upgrade.
Try sun.com/glassfish [Get It] tab to download the binaries.
[2nd download link]