Como Desinstalar Certificado Digital En Mac Apr 2026

She held her breath and clicked .

In the top-left corner, she clicked on under Keychains, and then "Certificates" under Category. The list narrowed. There it was: her old certificate, marked with a red "Expired" label.

Poof. The certificate vanished from the list. The rusty old key was gone.

But that Monday morning, her email buzzed with a warning: "Your old certificate expires in 48 hours. Please install the new one." como desinstalar certificado digital en mac

Elena downloaded the new certificate, clicked "Add," and got an error: "A duplicate exists."

But MacOS, ever the cautious gatekeeper, asked for her password. She typed it in.

She clicked it once. Then, two-finger clicked (right-clicked) on her trackpad. A menu dropped down. She held her breath and clicked

That evening, Elena closed her MacBook lid, feeling light. She hadn't just deleted a file. She had learned that in the clean, quiet world of a Mac, even invisible keys need a spring cleaning.

"I need to evict this ghost," she sighed.

She opened and went to Applications > Utilities > Keychain Access . The app opened, revealing a vast library of passwords, keys, and certificates, neatly sorted like a librarian’s dream. There it was: her old certificate, marked with

Her Mac was confused. The old certificate, dead and expired, was still sitting in its digital locker—the app. It was like having a rusty old key stuck in a lock, blocking the new one.

"Yes," she whispered.

And the secret was always the same:

She tested it on a dummy contract. It worked perfectly.