Windows 10 boot-up error with AVG

Hello Ken,
We sincerely apologize for the inconvenience caused.
This AVG watchdog is a known issue and our developers are almost in final stage to find the fix.
By following basic troubleshooting method we can fix the issue.
We request you to unplug all the external devices that are connected to your CPU via USB ports.
Please restart your PC and press Esc or F8 keys repeatedly and check whether you get the "BOOT" screen.
If it doesnt resolves the issue we would request you to use the AVG Rescue Cd using the instructions on the article http://avgread.me/1Md2imU and check whether you could login into your PC.
Thank you.

Starts watchdog. Never boots but freezes on the AVG installation. A little help. Have used AVG for many years - this is a first.

Hello Ken,
We sincerely apologize for the inconvenience caused.
This AVG watchdog is a known issue and our developers are almost in final stage to find the fix.
By following basic troubleshooting method we can fix the issue.
We request you to unplug all the external devices that are connected to your CPU via USB ports.
Please restart your PC and press Esc or F8 keys repeatedly and check whether you get the "BOOT" screen.
If it doesnt resolves the issue we would request you to use the AVG Rescue Cd using the instructions on the article http://avgread.me/1Md2imU and check whether you could login into your PC.
Thank you.