Noron Toolbar in Firefox 27

I have updated Mozilla Firefox to v. 27.0 today. When I started it the Norton Toolbar disappeared. I tried to solve the problem according to:

http://community.norton.com/t5/Product-Update-Announcements/Firefox-27-Support-for-Norton-Toolbar/ba-p/1089863

but it didn't help.

I have the newest version of Norton Internet Security (v. 21.1.0.18). I have upgraded NIS several times but still have the Norton Toolbar version 2014.6.2.3 instead of 2014.6.5.1). - see attached file: Firefox 27.0.pdf

Is it possible to update it by manual download?

 

Regards,

Jan