What is your actual version of Acrobat Reader DC? Not "latest" but something like 2016.123.98765?
I had attempted to update, but found no other updates. Then he found it and I solved it. Thank you so much for the support.
Thank you for reaching out and sorry for the trouble.
As you receive the error " Update Required", please refer to the information provided/ suggested in the following help document: https://helpx.adobe.com/x-productkb/global/update-operating-system-and-browser.html#fix-error.
Hope the information helps.
Let us know if you still experience the issue.
Bro, i fixed this problem updating Acrobat via Avast!