http://www.symantec.com/docs/DOC9378 is a dead link. The same link is used here:https://support.symantec.com/en_US/article.DOC8649.html which should be updated as well.
*Edit: Appears the link is correct but web server or my machine may be having intermittent issues accessing the page. Sometimes the only thing that will load is "Didn't find what you were looking for?". Then refresh and it opens.