At least one signature is invalid- on digital signatures

New Here ,
Feb 15, 2021

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I use DocuSign to obtain digital signatures from clients and I use Adobe Reader DC to view pdf documents.  I have been collecting needed signatures this way for months successfully.  All of a sudden a few days ago, all new and past documents that I have gotten digital signatures on via DocuSign show At least one signature is invalid.  

 

It says:

There are errors in the formatting or information contained in this signature

Signer's identity is valid

Signing time is from the clock on the signer's computer

Signature is LTV enabled

 

Under the Certificate Details, if I click on Trust, all options are checked green so it is a trusted certificate.  I'm at a loss and need help to get this resoled asap, please!

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General troubleshooting, PDF forms, Security digital signatures and esignatures

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1 Correct Answer

Adobe Employee , Feb 23, 2021
MeenakshiNegi Adobe Employee , Feb 23, 2021
Hi All,   Thank you for your patience.   Adobe released an update to Adobe Acrobat Reader that addresses an incorrect error message associated with a valid digital signature. Please ensure that you update the application to the latest version. In the application, go to Help > Check for updates. You may also download the latest patch from here: https://www.adobe.com/devnet-docs/acrobatetk/tools/ReleaseNotesDC/continuous/dccontinuousfeb2021qfe2.html#dccontinuousfebtwentytwentyoneqfe2  For more inf...

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Adobe Employee ,
Feb 16, 2021

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Hi @defaultglyi0mam68c6  ,

 

Apoplogies for Inconvience.

 

Can you please share the sample files with us?

Also can you please share the following details with us:-

1. Acrobat Version (Help-> About Acrobat Pro DC)

2.OS you are facing the issue on

3.Version of OS you are facing the issue on.

 

Please share the sample files.

Regards,

Abhinav Sethi

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New Here ,
Feb 17, 2021

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I have the same problem.  I sent you a file as indicated.

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Adobe Employee ,
Feb 17, 2021

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Hi @Clive Jacques , 

 

Thanks for sharing the files.

We have received the files and have started debugging the issue at our end.

 

Regards,

Abhinav Sethi

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Community Beginner ,
Feb 17, 2021

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The same issue we faced today.

All our PDFs become invalid in Adobe Reader DC beause of the signature, but in PRO version works fine.

The screenshot from of the same PDF in Reader and Pro versions.

Looks like the problem with latest Reader version 21.001.20138.

PDF is attached.

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Community Beginner ,
Feb 17, 2021

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[DEV] API Sample Document Ev2 Template.pdf 2021-02-17 20-49-02.png

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Community Beginner ,
Feb 17, 2021

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New Here ,
Feb 21, 2021

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Hello,

I have the same issue with PandaDoc. Adobe Reader states at least one signature is invalid.

Best regards,

Frederic Williams

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New Here ,
Feb 22, 2021

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I downgraded to the previous version of Acrobat Reader DC: 2020.013.20064 and everything is back to normal.

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New Here ,
Feb 23, 2021

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@absethi  Do you know when it will be solved the issue? Is it necessary to do downgraded to the previous version of Acrobat Reader DC: 2020.013.20064?

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Adobe Employee ,
Feb 23, 2021

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Hi All,

 

Thank you for your patience.

 

Adobe released an update to Adobe Acrobat Reader that addresses an incorrect error message associated with a valid digital signature.

Please ensure that you update the application to the latest version. In the application, go to Help > Check for updates.

You may also download the latest patch from here: https://www.adobe.com/devnet-docs/acrobatetk/tools/ReleaseNotesDC/continuous/dccontinuousfeb2021qfe2... 

For more information on updates, please refer to this link: https://helpx.adobe.com/acrobat/release-note/release-notes-acrobat-reader.html 

 

Let us know how it goes.

 

Thanks,

Meenakshi

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