Digital signature is not displayed as available for signing in FineReader PDF 15

Digital signatures available for signing in ABBYY FineReader PDF 15 are located in the Personal certificate store of a user account. All certificates that contain a Private Key are shown in the application. Make sure you have a Trusted Root Certificate for the signature you want to use.

To see the list of the certificates available in the MS certificate Personal Storage:

  1. Press Windows+R, type certmgr.msc and click OK;
  2. Open Personal > Certificates;
  3. Find the certificate you use for signing in FineReader PDF15;
  4. Right-click on it and select Open and make sure that the certificate is valid;
  5. Open the Certification Path tab and make sure that all certificates in the tree including the Trusted Root Certificate are valid.

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After the document is signed with a valid signature, PDF-viewer may display it as invalid on a computer that does not have a Trusted Root Certificate which was used to sign the document.

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