Can't update Adobe Acrobat plug-in

Comodo alerted me to the fact that “The Adobe Acrobat plug-in was blocked because it is out of date.” So I clicked the Update plug-in button and was taken to this page: Adobe - Download Adobe Acrobat Reader DC

But when I click the Download now button, all that happens is the page refreshes.

Here is the latest version (English):

Thank you very much.