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The xcpro40.dll ( will not open a PDF file.


The xcpro40.dll ( will not open a PDF file.

Error Code: -2112936013

Severity: Error

Facility: PDF Structure 35

Description: Reference Table (xref) not found.


This is happening because the PDF file is broken. xcpro40 (and xcpro35) is unable to read broken PDF files (although many PDF readers can, such as Acrobat 8, which will ask to save broken files even when nothing has been modified.This is the standard workflow when broken files are used). 

Support of broken PDF files is currently in development for the PDF-XChange Viewer and will be added to the xcpro library in the future.

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