This link may help you with your issue.
http://service.mcafee.com/faqdocument.aspx?id=TS100969&lang=en_US&prior_tid=2&An swerID=16777216&turl==http%3A%2F%2Fkb.mcafee.com%2Finfocenter%2Findex%3Fpage%3Dc ontent%26id%3DTS100969%26actp%3Dsearch
Technical Support Chat is also very helpful. You can contact them via Useful Links at the top of this page.
Should you decide on a refund, they will grant it if done within 30 days of purchase through Customer Service.
Edited for broken link