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Nitro Pro - digital sign problem after upgrade

Rafał Borto

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Rafał Borto

I upgrade Nitro Pro from v12 to ( x64.

I lost possibility to digial sign pdf documents.

After choosing digital sign I've got a message:

"The document cannot be signed due to unexpected system error."

Any idea?


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Reymund Oyong

Greetings @Rafał Borto

Thank you for reaching out to our Community Forums. 

Could you please confirm if the document you are trying to digitally sign is opened directly from Outlook?
If so, can you try saving the document first locally on your machine then open it from there? See if you can proceed with digitally signing the document without getting the error message. 

Kind regards, 

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