Simon, This may be a similar situ… Have a look @ this article (https://support.avg.com/SupportArticleView?urlname=How-to-reinstall-AVG-after-upgrade-to-Windows-8). Try re-installing.
AVG Guru
I installed Windows 8.1 couple of days ago and since the installation had completed, I now do not have AVG working at its full potential, What can I do?
Hi Simon,
What is current status, were you able to solve it or do you still need our assistance?
Thanks
Simon, This may be a similar situ… Have a look @ this article (https://support.avg.com/SupportArticleView?urlname=How-to-reinstall-AVG-after-upgrade-to-Windows-8). Try re-installing.
AVG Guru