We have got a very interesting update on google chrome antivirus settings which helps you to allow chrome to access the network in your firewall or antivirus settings. You can check it down
Change settings for all sites
On your computer, open chrome.
At the top right, click more. Settings.
Under "Privacy and security," click site settings.
Select the permission you want to update.
Hope I have been the best guide to solve chrome firewall settings
Still, if you think that you are being failed in this. Then you must contact our customer support for 24 *7 technical support. They are here to help regarding avast doesn't open, factory reset canon printer