Sun Microsystems released a new Build for Sun Java. The most recent Version number is 1.5.0_10. The internal identification of this release is 1.5.0_10-b03, where b = build.
This release includes a considerable number of bug fixes. See the Release Notes.
Please be sure to uninstall prior versions of Sun Java to avoid the Vundo/Winfixer infections. Updated illustrated instructions for updating Sun Java are available in "SunFlowers and SunJava Update".