Briny
You can disable the Dialer or you might want to can you computer for malware with your personal anti-virus program.
If you dont have Microsoft was an online scan: http://onecare.live.com/site/en-US/center/howsafe.htm
Check if the setting and it's already set to "never dial a connection".
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Justin M. Microsoft Answers Support Engineer Visit our Microsoft Answers Feedback Forumand let us know what you think.