Norton is specifically designed to provide outstanding protection to your device. If you are receiving an error message that “Not Protecting Device” then, make sure that you are using updated version of Norton. Because an old version might stop protecting your device so, check for updates and install all of them. Also, if the problem still occurs then, update your OS. If the error still persists then, it is advisable to get in touch with the technical teams by calling on Norton Helpline Number UK for instant help regarding the resolution.