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Some people think it best to disable Java on their computers, until a fix has been developed.
In Firefox, select "Tools" from the main menu, then "Add-ons," then click the "Disable" button next to any Java plug-ins.
In Safari, click "Safari" in the main menu bar, then "Preferences," then select the "Security" tab and uncheck the button next to "Enable Java."
In Chrome, type or copy "Chrome://Plugins" into your browser's address bar, then click the "Disable" button below any Java plug-ins.
In Internet Explorer, follow these instructions for disabling Java in all browsers via the Control Panel. There is no way to completely disable Java specifically in IE.