Invalid Signature



We run a qualified PKI in Greece with qualified CA which are included in European Union Trusted List.

Since yesterday (15 Feb 2018),  adobe reader returns that signature is invalid.

We found that if someone clicks the button "update now" in the Trust Manager for European union trusted list, the signature goes valid. But if you click again then goes back to invalid.

Please someone from Adobe fix that issue because it creates big problem to the operation of the PKI.

Best Regards,

Spyros Kollias

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