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Can not open PDF File by Adobe reader DC in Encrypted Folder?


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16 hours ago, Tobias said:

Hi Simon,

when you move the PDF away from the USB onto your PC does it open properly?

Gr.

Tobias

Hi ,Tobias, sure, we can open any pdf file in the PC, example: Desktop , My Documents.

This is the problem of the ESET.

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  • ESET Staff
Posted (edited)

Hi @Simon Simon,

Unfortunately, this is a known issue with Adobe Acrobat Reader DC itself as it elevates itself under the System User Account. This prevents the Encryption Key required to decrypt the PDF file when accessing it being available to Adobe Acrobat Reader DC and therefore it will be denied access. 

Here is some more context to the issue that occurs with Adobe not having access to the Encryption Keys: https://support.eset.com/en/kb7942-windows-user-context-and-encryption#users - Windows User context and Encryption

The only workaround that I can suggest for this, is that you copy the PDF file outside of the Encrypted Folder/Encrypted USB, Edit the PDF file and then copy it back into the Encrypted Folder/Encrypted USB.

Edited by Kstainton
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17 hours ago, Kstainton said:

Hi @Simon Simon,

Unfortunately, this is a known issue with Adobe Acrobat Reader DC itself as it elevates itself under the System User Account. This prevents the Encryption Key required to decrypt the PDF file when accessing it being available to Adobe Acrobat Reader DC and therefore it will be denied access. 

Here is some more context to the issue that occurs with Adobe not having access to the Encryption Keys: https://support.eset.com/en/kb7942-windows-user-context-and-encryption#users - Windows User context and Encryption

The only workaround that I can suggest for this, is that you copy the PDF file outside of the Encrypted Folder/Encrypted USB, Edit the PDF file and then copy it back into the Encrypted Folder/Encrypted USB.

Dear Kstainto,

This is the big problem in our big environment (University),  we can use the Kingston USB Drive with hardware encryption and open the PDF file succsesfully.

Please help to invite your develop team to fix the problem, and we feel very disappointed of the product.

Thank you for your help,

Simon

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