Unable to validate my purchased Adobe Acrobat Pro 2019. Sign in does not work!

[Saeid27264170298x]

I have purchased Adobe Acrobat DC 2019 and it was working fine for many years until I reinstalled Windows and needed to install all my applications again.

Acrobat Pro DC 2019 After install shows this sign-in for activation and it stays on "Loading..." forever. This renders the whole thing useless!

What are my options at this state?

[Abambo]

What is your OS and version? Is that supported by the version of Acrobat that you have?

BTW: You have either Acrobat DC or Acrobat 2019. DC is the subscription version of the program and should upgrade to the latest version.