n. A tough, semitransparent substance that is the main component of the exoskeletons of arthropods, such as the shells of crustaceans and the outer coverings of insects
*sigh* On a good note, Firefox automatically disables old versions of JAVA* ( as long you're using the up-to-date version ) and with the right add-ons can prevent JAVA from running ( like NoScripts ) and tells the user to get a new up-to-date version
I'd agree with proadco -- perhaps a quick search off the Web may have results of places in your area/neighborhood that may sponsor yard sales, where you can join in ( like a flea market ); other options may be to check out electronic shops that may have need of spare parts, perhaps you can sell the desktop there