do you have sufficient rights in linux?
try running
./pdfedit -d 5 filename
and send the output
can you open it with xpdf?

> From: albrecht.will@online.de
> To: pdfedit-support@lists.sourceforge.net
> Date: Sun, 27 Jul 2008 11:58:45 +0200
> Subject: [Pdfedit-support] unable to open file
> Hi,
> I got a problem when I try to open pdf-files. The message is: "unable to open
> file". I only can open one file I use for a longer time.
> What could I do?
> My pdf-edit-Version is 0.4.1
> Albrecht

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