There was an error with AVG sign-in

Sergei, Please note that this Community deals mainly with the technical queries regarding AVG Windows products. AVG Android support is provided through email only. Please click on the following link (http://avgclick.me/AVGtechnical) and fill out your details, select as Android then the name of AVG Program that you installed in your mobile and in description please completely explain about your issue and finally click on Email option. Also when filling out your details choose Yes for the Question "Are you currently using any paid/trial AVG products?" and click on Email option. The AVG mobile team will reply back to you via email with a resolution.
AVG Guru

Hi 
I can't login to my mobile app on Android device. 
I can log-in on the browser and mobile browser, but not on Android mobile app, can't use anti-theft feature.
Please help.
I use Google Pixel, OS 8.0

Sergei, Please note that this Community deals mainly with the technical queries regarding AVG Windows products. AVG Android support is provided through email only. Please click on the following link (http://avgclick.me/AVGtechnical) and fill out your details, select as Android then the name of AVG Program that you installed in your mobile and in description please completely explain about your issue and finally click on Email option. Also when filling out your details choose Yes for the Question "Are you currently using any paid/trial AVG products?" and click on Email option. The AVG mobile team will reply back to you via email with a resolution.
AVG Guru