To stop notifications of Chrome virus on your Android device or tablet, open the Chrome app. Then, go to a webpage. Now, to the right of the address bar, tap ‘More Info.’ Then, tap ‘Site’ settings. Now, under ‘Permissions,’ tap on ‘Notifications.’ At last, turn the setting 'Off.' Also, if you are getting Google Chrome Users Alerts, you need to update your browser right now or lose data to stop hackers.