Remove DRM from expired PDF - Audio/video stream recording forums

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		Audio/video stream recording forums > Other discussions > Removing DRM protection from eBooks
Remove DRM from expired PDF

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09-12-2011, 02:05 AM

quachtinh

Junior Member

Join Date: Sep 2011

Posts: 1

Remove DRM from expired PDF: Error: Cannot find decryption key

Hi everyone,

I succeeded removing DRM from most PDF files, but failed with expired PDF files, the error is "Error: Cannot find decryption key".

Open PDF with Acrobat Reader:

You are not able to open this document. Please contact your subscription administrator if you believe this is an error. To find your administrator, log in to your subscription and access the Administrators box on your Home page.

Any idea?

Thank you.

Tags: acrobat reader, drm, drm removal, error, expired, expired pdf, expired pdf file, find decryption key, inept pdf dectypter, pdf, pdf files, removal, remove, remove drm, subscription

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