URGENT: YOUR NORTON 360 MULTI-DEVICE SECURITY HAS EXPIRED September 26, 2015

I have ,  Norton Security with Backup Version 22.5.4.24 which has 344 days remaining,  

URGENT: YOUR NORTON 360 MULTI-DEVICE SECURITY HAS EXPIRED September 26, 2015

Our records show that your Norton 360™ Multi-Device subscription has expired.
Right now, you are no longer receiving essential security updates. 
This means all of your devices are vulnerable to viruses, spyware, and cybercriminals. In addition, your secured online backup no longer functions.
If you're on the Internet at all, renew your security now. Norton 360™ Multi-Device protects your PC, Mac®, smartphone, and tablet—keeping you safe when you surf, shop, and bank online.

Windows 7 Home Premium x64 SP1, IE 11,  Norton Security with Backup Version 22.5.4.24 has 344 days remaining

Please update if I should ignore the above message as I have Norton Security with Backup Version 22.5.4.24

Thank You

Rao-p