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Adobe Reader could not open 'filename.pdf'" because it is either not a supported file type...

Aug 5, 2010 2:45 PM

I have a website that holds 23 different PDF's. They all download fine and open correctly when downloading from a Mac computer. They even download and open fine from a Mobile Phone. However my client is getting an error over and over again. I have tested it out and this is what I have come up with.



Adobe Reader could not open 'filename.pdf'" because it is either not a supported file type or because the file has been corrupted (for example, it was sent as an email attachment and wasn't correctly decoded)


I have resaved the PDF's to be compatible with Reader 6.


Works fine with

All Mac's using either Firefox, Chrome or Safari using Pro and Reader

iPhone downloads using iBook

PC's when downloading from Firefox viewing in Reader 9

PC's when downloading from IE 6.0 view on Reader 8


Error Message When

PC when downloading from IE 7 viewing on Reeder 9

PC when downloading from IE 8 viewing on Reader 9


Here goes the URL when the files resides.



Please help. I can not find a solution.

  • Currently Being Moderated
    Aug 5, 2010 8:41 PM   in reply to andre.pope

    Sounds that you want to read your .pdf files on your Mobile device,maybe iPhone, but failed? If that, you need to know that it is normal, because most of mobile device supports .pdf file veiwing poorly. The right way is to change the format from .pdf to .epub. Hope this would do you some indirections.

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  • Currently Being Moderated
    Aug 6, 2010 6:43 AM   in reply to andre.pope

    mmm, this does not seem related to Reader as the file is downloaded by IE as 0 bytes whereas other browsers seem to work fine. Reader is invoked after the file has been downloaded. You should also try posting your question in Microsoft's IE forums.

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  • Currently Being Moderated
    Mar 29, 2011 12:29 PM   in reply to andre.pope

    Were you able to solve this issue.  I am having the same issue now.  I have an app which generates reports and sends it as an attachment to senior managers.  but they are not able to open the report.  We all see the above error you mention.

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  • Currently Being Moderated
    May 10, 2011 3:00 AM   in reply to andre.pope

    Hi i have solved the ie bug creating the pdf phisically, this is the code i use:


    $hostname = "XXXXXX";
    $database = "XXXXX";
    $username = "XXXXX";
    $password = "XXXXXX";
    $db = mysql_pconnect($hostname, $username, $password) or trigger_error(mysql_error(),E_USER_ERROR);


    mysql_select_db($database, $db);
    $query_rs_docs = "SELECT * FROM doc WHERE doc_name='".$_GET['doc_name']."'";
    $rs_docs = mysql_query($query_rs_docs, $db) or die(mysql_error());
    $row_rs_docs = mysql_fetch_assoc($rs_docs);
    $totalRows_rs_docs = mysql_num_rows($rs_docs);


    $t_pdf = fopen("/path to doc folder/doc/".$row_rs_docs['doc_name'], "w+");


    fwrite($t_pdf, $row_rs_docs['doc_file']);




    the db table (doc_name must contain the .pdf extension):


      `doc_ID` int(10) NOT NULL auto_increment,
      `doc_name` varchar(255) NOT NULL,
      `doc_file` longblob NOT NULL
      PRIMARY KEY  (`doc_ID`)


    Message was edited by: Portale Sardegna

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