Hello, SOLANGE.
At Microsoft Community. we are glad to assist you.
After doing some research, we found that there is another thread open regarding the same matter. With that said, we will proceed with the closure of this Forum but please rest assured we will continue looking into the situation you are experiencing at the moment.
Please reference to that case with the following URL: Can't find my certificate - Training, Certification, and Program Support (microsoft.com)
Kind regards,