Install Zen over 2014

Hi Kristina,
I noticed that you contacted support after creating this question. What is current status, were you able to solve it or do you still need our assistance?
Thanks
Hi Kristina,
I noticed that you contacted support after creating this question. What is current status, were you able to solve it or do you still need our assistance?
Thanks

Purchased Zen–tried to install over 2014.  Keep getting error message AVG firewall could not be stopped.  AVG on FB said to uninstall all AVG.  2014 will not uninstall.  Now your system does not recognize that I paid to upgrade to ZEN and I cannot install it on my computer.  Help?