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Go Back   Audio/video stream recording forums > Other discussions > Removing DRM protection from eBooks
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  #1  
Old 09-12-2011, 03:05 AM
quachtinh quachtinh is offline
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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.
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  #2  
Old 09-13-2011, 04:30 AM
any ANONYMOUS forum user any ANONYMOUS forum user is offline
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Re: Remove DRM from expired PDF


I don't think it is possible to remove DRM from expired ebooks. Besides DRM removal tools are intended to be used with legally purchased not rented ebooks.
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