Hello, Neil
We regret the inconvenience caused, Chris.
Since the Repair of AVG didn't work, we request you to uninstall it and reinstall AVG Internet Security and check if the issue still persists.
Refer to these articles to uninstall and reinstall.
Keep us posted.
HI - I have a paid subscription and am trying to update the virus definitions but it is not working. I have tried the repair already