In order for the Dr.Web app to work properly on Nokia devices, force close the Power saver app.

The Power saver app optimizes battery consumption that can cause the Dr.Web app to stop. This interrupts constant anti-virus protection and work of advanced components: Call and SMS filter, URL filter, Anti-theft, Parental Control, and Firewall.

To force close Power saver

1.In your device settings, go to Apps > All apps.

2.Tap menu in the top right-hand corner and select Show system.

3.Select Power saver and tap Force close.

The app will remain stopped until the next device reboot.