Hence, before you proceed to the troubleshooting methods listed in this article, we suggest you disable your antivirus program temporarily and try to update or install Java.

Don't install QuickTime 6.4 if you need QuickTime Java support under OS X 10.2 According to an Apple Knowledge Base article, QuickTime 6.4 does not include QuickTime Java support; installing it on ...

Here are the three easiest ways to fix Java’s “not recognized as an internal or external command” error: Install or reinstall Java and the JDK on your computer Add Java’s bin directory to the computer ...