What date for the virus definitions is displayed when you open Norton?. If it shows the latest date, then personally I would not worry.
Seems to a problem with Live-Update. I assume you are downloading your updates from
Hands-on: Acer Predator Triton 700 review
D&AD Awards 2017: see the best design, advertising, illustration, animation and VR of the past year
How to lose weight with an Apple Watch
Synology invites you to visit them at Insomnia on 26th – 29th August. Book your tickets now and visit Synology.