Apple has posted
a download link
for the multi-country version of WebObjects 4.5.1 Update 1 for Mac OS X. It’s recommended for all customers with WebObjects 4.5.1 for Mac OS X, according to Apple.
WebObjects is Apple’s industrial strength application server software developed for Internet, intranet and e-commerce applications. The software incorporates development tools that enable users to perform HTML and Java development. It connects to a variety of different database technologies, runs on Mac OS X, Solaris and Windows NT, and has a multitude of other features as well. Companies using WebObjects include Apple’s own Apple Store, long-distance carrier MCI, automaker Toyota, and many others.
Obviously, you’re required to have WebObjects 4.5.1 to use this update.