Copy link to clipboard
On Windows 10 (version 20H1 or later), digitally signing a PDF in Internet Explorer using Acrobat or Acrobat Reader plug-in with Protected Mode enabled results in the following error: "The Windows Cryptographic Service Provider reported an error: Access is denied. Error Code: 2147942405".
If not, go to Help > Check for Updates and install the latest update.
Close the registry editor.
Have you found this answer helpful? If so, Join the conversation with us and share your thoughts. Your feedback is valuable to us, and we are always listening.