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1. Java JDK install unzip version

Possible Duplicate:
where can I get the latest JRE / JDK as a zip file, I mean, no exe installer
Does the Java JDK binary image ...

2. Java core does not unzip. Installation fails

Unlike previous Java updates, the latest requires all previous versions be removed otherwise you get error message 25099. Neither Add/Remove programs nor Taskmaster find all previous versions. You have to use JavaRa since even the tiniest fragment will give you error 25099. Even an empty folder labeled "Java" is enough to prevent the upgrade.