Advanced PDF Tools cannot change Created Date and ModifyDate files

I bought the tool to change the metadata information of my pdf files. But in the summary tab when I change Title, CreateDate, ModifyDate or others fields and change it, the new document doesn't have the information required.

When I used the trial version, it Works, but with the final version doesn't.

P.D. My Windows, and pdf tools are in spanish.

Can you Help me?

Customer
--------------------------------------
Thanks for your message, please look at following web page, we hope the information on this web page will useful to you,

https://www.verypdf.com/pdfinfoeditor/pdf-date-format.htm

VeryPDF

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