AVG license error

I am getting this message and AVG will not re-install.  I have the free AVG and so dont have a license number that I know of.  I tried to reinstall and when I restart my computer it tells me to connect online, I do and then it fails to install again.

Susanne, Have a look @ this link (https://forums.avg.com/ww-en/avg-forums?sec=thread&act=show&id=117901) from the old now 'read only' forum.
AVG Guru

Susanne, Have a look @ this link (https://forums.avg.com/ww-en/avg-forums?sec=thread&act=show&id=117901) from the old now 'read only' forum.
AVG Guru