AVG screen greyed out

Hello David,
We apologize for the inconvenience caused.
In order to assist you better, please click the link http://avgread.me/1EnC2iK to reach our chat technician.
Please feel free to get back to us for any issues with AVG, Thank you.

I'm running Windows 10 and have AVG 2016 installed. When I carry out a full scan the AVG becomes greyed out and will not restore unless I restart. Any ideas anyone please?
Hello David,
We apologize for the inconvenience caused.
In order to assist you better, please click the link http://avgread.me/1EnC2iK to reach our chat technician.
Please feel free to get back to us for any issues with AVG, Thank you.