Norton 360 not working in Windows 10 (error 3019, 1)

I recently upgraded to Windows 10 and downloaded the latest version of Norton 360 (I have a 1 year subscription). It worked fine for a few days, but since yesterday, I am seeing this error message - Norton 360 has encountered an error: 3019, 1

Norton 360 does not open up and nothing happens when I click on the Vault button in the Norton toolbar in my web browser. I re-installed the application yesterday and it seemed to work, but I am experiencing the same problem when I started my PC this morning.

Is anyone else facing this problem? What is the solution?