To keep safe one should always keep totally up to date with updates for Windows and all the software/hardware you have installed and keep some extra anti-spyware tools handy just in case
anti-spyware tools... Some free ones are listed here: http://community.mcafee.com/showthread.php?t=136913
As far as McAfee constantly asking for subscription verification or similar pop-ups, that is often caused by the use of registry cleaners, or by a corrupted installation, or one that was done over a much older version in which case a complete removal, cleanup tool use and reinstallation usually fixes it.
Also did u run the email checking program to see what you have installed earthd posted in on the first page about post 6.
Security Center Build 9.15.126
Virus Scan Build 13.15.101
Personal Firewall Build 10.15.102
Site Advisor Build184.108.40.206
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