JS362 causing an unresponsive script warning in Firefox 3.6.10

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I have a problem with the browser freezing up and then an error message comes up: unresponsive script. The path given for the script is chrome...ghostery... and lists JS362 as the non-responding script. The problem has been getting progressively worse; almost every time I try loading a page, I will get this error message, and sometimes multiple times (as has happened during the editing of this question.