No internet connection after installation

Hello Steve,
We regret for the inconvenience caused. Please try to follow the instructions provided below and check whether it resolves the issue :
- Disable AVG Self Protection
- Go to Control Panel -> Network Connections -> right click on the network area which is active -> "Properties"
A/
- If there is "AVG Network filter driver" uninstall it and restart the computer twice
- AVG Firewall initializes auto-repair function so "AVG Network filter driver" should be automatically installed (therefore two restarts are needed)

B/
- If there isn't "AVG Network filter driver" click "Install " -> "Service" -> "Have Disk" -> "Browse" and look for

c:\Program Files\AVG\AVG2015\Drivers\avgfwfd.inf

- Click "Open" button and follow the prompts
- Restart the computer twice

C/
- Enable AVG Self Protection back

After I installed AVG Ultimate, I can connect to my router but I now have no internet connection. It is not my ISP because all other devices that connect to the internet in my home do not have this issue. I installed it on a Lenovo laptop running Windows 10.

Hello Steve,
Thank you for your efforts. Please accept my sincere and unreserved apology for any inconvenience this may have caused you. Please try to uninstall AVG and we have sent email to get in touch with our additional technical support team. Please check for the email in the spam or junk folders, if the email is not present in inbox.
Thank you!