Getting out of AVG Pro trial

How does one get out of the AVG Pro trial after the trial period has ended? I keep getting a screen asking me to "Buy Now" but no way to opt out. It is most annoying.

Hello Mike,
We apologize for the inconvenience caused.
We request you to please refer the article http://avgclick.me/removeAVGtrialpopup to continue with the free version after the Trial expires.
Please feel free to get back to us for further assistance.
Thank you.

Hello Mike,
You are most welcome. Please do not hesitate to contact us again for any assistance. Thank you.

Hello Mike,
We apologize for the inconvenience caused.
We request you to please refer the article http://avgclick.me/removeAVGtrialpopup to continue with the free version after the Trial expires.
Please feel free to get back to us for further assistance.
Thank you.