Firewall Cannot Start After Upgrade to Windows 10

Hi 

Just upgraded to Windows 10 and getting a message Firewall cannot not start because an error has occurred in communication with a driver. Tried reset to default but that did not work.

Appreicated help with this, thanks

Hello Monica.
I apologize for the inconvenience you experienced in this case. I will help you in this case.
I request you to please uninstall AVG using remover tool and reinstall it.
To uninstall AVG Ultimate please refer the article http://avgread.me/1DEtNP0  and to reinstall please refer the article http://avgread.me/19OHofR .
Please feel free to get back to us for further assistance.
Thank you.