After installing or upgrading Java, quit then relaunch Firefox.If needed, enable java plugin for Firefox.Step Two: Verify that java is enabled in your web browser Firefox Verify that java is enabled in your web browser Apple's recommendation is to upgrade your operating system, then install Java 7.Apple has not released security fixes for Java 6 update 45 and known security issues exist.

Use Apple's Software Update to upgrade to Java 6 update 45.Java 7 is available only for Mac OS 10.7 and higher. If you are unable to upgrade your operating system and have applications that require Java, Java 6 is packaged with the Macintosh operating system.Awareness: Java 6 is no longer receiving security updates from Apple. Local applications may require specific Java versions. NOTE: Users should consult with their local IT support provider before installing or upgrading Java. On Macintosh Google Chrome is incompatible with most Java web applications and web pages that use a Java applet, due to the fact that the Java plugin is 64-bit and Google Chrome is 32-bit.After installing or upgrading Java, completely quit, then relaunch the web browser.Step Two: Verify that java is enabled in your web browser Upgrade to the most recent java version.Awareness: Once the java plug-in has been installed, it must be kept up to date in order to avoid security risks.Users should consult with their local IT support provider before installing or upgrading Java.Important information about installing the Java plug-in

The required 64-bit java 1.7.0