is corrupt. Have you tried to create a new one?
Interesting results here:
http://www.google.com/search?sourceid=navclient&ie=UTF-8&rls=GGLD,GGLD:2004-10,GGLD:en&q=Error+721
I am have just started getting error 721 (the remote computer did not respond) when I try and dial into my ISP (bellsouth) This just started a couple days ago.
I have no trouble connecting using my laptop and the same phone line. Any thoughts or ideas about what the problem might be?

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