Same problem losing sound after driver update. How can I fix this?

Hello Chuck,
Thank you for reaching AVG Support Community.
I regret for the inconvenience caused.
In this case, we need to troubleshoot & find the concerned driver which caused this issue, so I request you to click the below link to contact our AVG Remote team. They will access your PC by remote and fix this issue for you.
https://bit.ly/3cfy6Mo
Thank you.

how can I fix this driver update problem?

Hello Chuck,
Thank you for reaching AVG Support Community.
I regret for the inconvenience caused.
In this case, we need to troubleshoot & find the concerned driver which caused this issue, so I request you to click the below link to contact our AVG Remote team. They will access your PC by remote and fix this issue for you.
https://bit.ly/3cfy6Mo
Thank you.