Hi @EDP3 Eurosicma
Hope you are doing well and sorry for the trouble. As described, Adobe Reader DC 64 bit turns itself into Adobe DC
Please go through the help https://helpx.adobe.com/acrobat/kb/about-acrobat-reader-dc-migration-to-64-bit.html and see if that helps.
The 64-bit application is a unified application for Acrobat DC and Acrobat Reader DC. The default installation location is C:\Program Files\Adobe\Acrobat DC. If you have installed Acrobat Reader DC 64-bit and you purchase an Acrobat DC subscription, the Acrobat Reader DC 64-bit application will upgrade to become a fully functional Acrobat DC 64-bit application.
Hope this information will help
Regards
Ria