Dimming when scanning www

Hello Adam, 
Thank you for contacting AVG Community Support.
We are sorry to know that your screen dimming while scanning. We'll certainly check and help you out.
Could you please provide me with more details about the situation, and I will do my best to help you resolve it efficiently.
May I know your device OS name and version?
May I know if you are getting notification while scanning website or display brightness changes?
To help you check this, please help us with the screenshot of the pop-up notification which you notice while opening your website. You can post the screenshot here in your topic. Click on Answer & then click on the Image [mountain symbol] & follow the instructions.
Awaiting your response.
Thank you and keep us updated.

Is it possible to prevent the screen from dimming when scanning websites? Very annoying…

Hello Adam, 
Thank you for contacting AVG Community Support.
We are sorry to know that your screen dimming while scanning. We'll certainly check and help you out.
Could you please provide me with more details about the situation, and I will do my best to help you resolve it efficiently.
May I know your device OS name and version?
May I know if you are getting notification while scanning website or display brightness changes?
To help you check this, please help us with the screenshot of the pop-up notification which you notice while opening your website. You can post the screenshot here in your topic. Click on Answer & then click on the Image [mountain symbol] & follow the instructions.
Awaiting your response.
Thank you and keep us updated.