PDF files often corrupted

Many times the PDF files that come from instructables will not open. I kept some of these to try and repair with various PDF fixer programs. They all fail, with one program reporting that there is an error reading the “XREF Table” of these files. Some of the files that fail are:


I don’t need a response... just thought you may want to know.

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akrenvalk5 years ago
You may scan and repair your .pdf files owing to programmed method. Probably .pdf files are corrupted.

I would advise you to visit following page

pdf fix
ShutterBugger (author)  akrenvalk5 years ago
Opening current PDF files in old versions of Reader causes them to be damaged beyond repair.
PDF's were fixed on a previous release, are you still having this problem?
ShutterBugger (author)  mikeasaurus5 years ago
I have a new Winblows 7 computer with the latest Adobe Reader. So, no more problems opening PDF's.
kelseymh7 years ago
Thanks for posting this, Bob! Someone from I'bles Staff should see it tomorrow morning (Pacific time). Could you mention what operating system and browser you're using, and also what PDF viewer?

Because the PDFs are generated, not static files, there's a chance that there is some confusion between the request your browser sends back to I'bles, and the filed you get downloaded.

For the record, I tried accessing all four of the above PDFs. I'm using Firefox 3.6.10 on MacOSX 10.5.8, and Adobe Reader 9.3.4. All four display fine for me.
ShutterBugger (author)  kelseymh7 years ago
I use a 1ghz P-3, 512 mb ram, Acrobat reader 6, Win 98se, and Firefox 2.0, and a dialup connection.

I would guess about 1 out of 5 PDF files won't open.

PS... I know the system is old. I can't afford to buy a new computer every 10 years.
I hear what you're saying -- I kept my first laptop, a 100 MHz 486 machine running Linux, for nearly a decade, until the display half finally broke away completely. I suspect that it's the age of your Acrobat, and its inablility to deal with some of the "newfangled" stuff which Adobe has added to PDF (e.g., embedded video links) which may be causing your problems.
Not being pro might have something to do with this problem as well?

Unclear, at least to me. Non-PRO technically can't access the PDFs at all. ShutterBugger has been a member since before the paid-account deployment, so probably got grandfathered in with basic (non-customizable) access. He's also not having problems with all PDFs, just some.
Ah, that would what we technically refer to as "a bug", then. He'd better report it...

Walks off nonchalantly, whistling...
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