My signature appears invalid in Adobe Acrobat Reader DC

Issue

When opening documents downloaded from DocuSign, Adobe Acrobat Reader DC displays the error "At least one signature is invalid".

Cause

We can assure you that the signatures applied by DocuSign are not invalid. This issue appears to only affect Adobe Acrobat Reader DC versions 2021.001.20135 and higher.

Solution

This issue has been fixed with Adobe Acrobat Reader DC version 2021.001.20140. Please update your version of Adobe Acrobat Reader DC.

If you need to verify and prove the signature validity of documents signed with Docusign, you can also do so via other validators, for example, our very own https://validator.docusign.com.