Welcome back to ITKE, salrangel! If you can provide more information on what type of hardware/software you’re using, our community will try to help solve your issue.
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more information will be great
Not much you can do with the 404 error, unless you are on the side that the page belongs to. Try this article and see if it helps you out any:http://searchenginewatch.com/article/2066367/Common-Problems-with-404-Error-Pages