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NitroPro 12 Freezing when opening PDF


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When opening a PDF that has drop-downs and form fields inside of NitroPro, it freezes the program entirely. It must then be closed through Task Manager. When looking at the file preview inside Windows Explorer it shows: "If this message is not eventually replaced by the proper contents of the document, your PDF viewer may not be able to display this type of document."

When opening the file through Adobe Reader DC it requires the Extended Language pack otherwise you are unable to view the contents of the file. Is there any way to fix this so we can edit/view the document inside of NitroPro?


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  • Official Nitronaut
Allain Umailin

Hello @jbosyj,

Thank you for reaching out to us through our Community Forums!

Upon checking on our end, I can see you already submitted a support ticket.

Kindly wait for an email message from a Nitro Support representative to assist you with your concern through the support case.


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