I'm having this problem recently, whenever I pause adgaurd, or switch it off, it stops all my internet traffic.
Chrome, Firefox, whatever none of them are able to access the network.
The moment I turn adgaurd back on, it starts to work fine.
I tried restarting phone, uninstalling the CA...
I've blocked an app called QualityTime from using the internet.
(Through the app info. i.e. system and Adguard)
[Local proxy setup mode: Automatic (root)]
And also blocked the website it connects to: zeropc.com (User Filter: “||*zeropc.com^$empty”)
Adguard says that the app hasn't...