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Iago36668677lj0m
Participating Frequently
Oct 27, 2026 9:29 AM UTC
Question

bloqueo Adobe Acrobat al firmar digitalmente

Buenos días

Desde la última actualización al certificar con firmar un documento se bloquea. Deja seleccionar el certificado, pero luego se queda congelada o dice “la credencial seleccionada para firmar no es valida” 

¿Alguna solución o pista?

Gracias. 

    9 replies

    Meenakshi Negi
    Community Manager
    Meenakshi NegiCommunity Manager
    Community Manager
    Oct 28, 2026 7:39 AM UTC

    Hi Iago36668677lj0m,

     

    The team is investigating this issue and needs some additional information to proceed. Please provide the following details:

    • Are you using Windows or Mac? Please share the complete OS version.
    • What was the last version of Adobe Acrobat that you used successfully for signing?
    • Have you attempted to downgrade Acrobat to a previous version? If so, does certificate signing work after the downgrade?
    • Where is the user's digital ID stored? Is it in the Windows Certificate Store, a .pfx/.p12 file, or another location (such as a hardware token or smart card)?
    • Please create a temporary digital ID directly in Acrobat and check if you can use it to digitally sign a sample PDF.
    • Could you share the public certificate only, in .cer or .crt format, via private message or the email. This will help us examine the certificate's validity dates and other properties.

    We look forward to your response.

     

    Thanks,

    Meenakshi

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    Iago36668677lj0mAuthor
    Participating Frequently
    Oct 28, 2026 7:49 AM UTC

    Windows 10 Pro 22H2
    No sé qué versión era, solo sé que se actualizó y ha dejado de funcionar la firma y la certificación con CUALQUIER CERTIFICADO DIGITAL Y TODOS VIGENTES. 

    Se almacenan en al almacén de Windows.
    No he bajado a ninguna versión de Acrobat anterior porque no hay forma de encontrarla ni hacerlo a traves de la aplicación

    Esto no tiene nada que ver con los certificados así que no voy a compartir el certificado publico ni nada similar.

    Saludos.

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    Meenakshi Negi
    Community Manager
    Meenakshi NegiCommunity Manager
    Community Manager
    Oct 28, 2026 8:20 AM UTC

    Hi Iago36668677lj0m,

     

    Thank you for sharing the information. We will keep you updated on the progress and let you know if more information is required.

     

    Thanks,

    Meenakshi

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    Iago36668677lj0mAuthor
    Participating Frequently
    Oct 27, 2026 11:16 AM UTC

    Hola,

     

    La version es la 2026.002.22031.
    Ocurre con cualquier documento PDF.
    Sí, he reparado la instalación y sigue ocurriendo. También desactive la verificación del certificado y no sirvió de nada.

    Todo antes de escribir este post.

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    Meenakshi Negi
    Community Manager
    Meenakshi NegiCommunity Manager
    Community Manager
    Oct 27, 2026 12:33 PM UTC

    Hi Iago36668677lj0m,


    Thank you for sharing the information.

    To determine if the issue is related to the application, could you please try signing with an alternate signature or certificate to see if you get the same result?

    Additionally, please collect the logs for the process by following the steps outlined in Adobe Acrobat Diagnostics. Once you have collected the logs, kindly share the log ID with us.


    Let us know if you need any help.


    Thanks,

    Meenakshi

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    Iago36668677lj0mAuthor
    Participating Frequently
    Oct 27, 2026 12:44 PM UTC

    Pasa con cualquier certificado digital.

    No puedo recopilar los registros del proceso porque solo está disponible para los usuarios del idioma Inglés que utilizan Acrobat en equipos físicos. Yo uso el idioma español.

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    PriyankaVishwakarma
    Community Manager
    PriyankaVishwakarmaCommunity Manager
    Community Manager
    Oct 27, 2026 11:06 AM UTC

    Hello @Iago36668677lj0m,


    Thank you for reaching out. I hope you’re doing well. Based on your description, Acrobat becomes unresponsive after a recent update when you try to certify a document, and it displays the message “the credential selected to sign is not valid” after you select the certificate.


    To help us review this further, please share the following details:


    • The Acrobat version currently installed (Menu > Help > About Acrobat) and the operating system version.

    • Does the same behavior occur with other PDF documents?

    • Have you tried repairing the Acrobat installation? On Windows, go to Menu > Help > Repair Installation. Once the repair is complete, restart the computer and test the workflow again.


    In the meantime, you may try the following workaround suggested below:


    1. Open Menu > Preferences in Acrobat.

    1. Select Signatures from the Categories list.

    1. Under Verification, select More.

    1. Temporarily uncheck “Require certificate revocation checking to succeed whenever possible.”

    1. Select OK to close the Signature Verification Preferences window.

    1. Select OK again to save the changes, then retry the workflow.


    We hope this helps. Let us know if you need any assistance.


    Regards,

    ^PV

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