"incorrect function"

I renewed a 1yr subscription for antivirus, rec'd an email that says I need to activate the license; followed instructions in the email to do so. Now getting an error message that says  "incorrect function". When I go to my account, it clearly shows I paid for a new year that expires in 08/16.

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Hello Audrey, I apologize for the inconvenience caused. Could you please send us a screen shot of the error you are receiving? Please refer the following link http://avgread.me/1aZxsAV  to attach a screen shot here. We would analyse this and assist you better. Thank you.

Hi Audrey,
We apologize for the inconvenience caused. I can see that you are unable to activate AVG. We request you to uninstall AVG ( http://support.avg.com/SupportArticleView?urlname=How-to-uninstall-AVG ) and then reinstall AVG Internet Security ( http://support.avg.com/SupportArticleView?urlname=Download-and-install-AVG-AntiVirus-Internet-Security-or-Premium-Security ) again to get this issue fixed.
Feel free to contact us if you have any queries with AVG products. Thank you.