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pdf files are not attaching correctly to emails. I have tried the reset firefox option but this has not worked.


I use comcast for my email. I have attached scanned doc in pdf many times successfully. Now attachments will not display, when I check the attachment all I get is a blank page with the note the pdf docs may not display correctly

Additional System Details

Installed Plug-ins

  • Shockwave Flash 11.6 r602
  • Google Update
  • Adobe PDF Plug-In For Firefox and Netscape "9.5.4"
  • 5.1.10516.0
  • GEPlugin
  • iTunes Detector Plug-in
  • Picasa plugin
  • The QuickTime Plugin allows you to view a wide variety of multimedia content in Web pages. For more information, visit the QuickTime Web site.


  • User Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:19.0) Gecko/20100101 Firefox/19.0

More Information

  • Top 10 Contributor
2365 solutions 20925 answers

Firefox 19 changed your default viewer for PDFs to the built-in viewer. Maybe it can't handle the scan due to size or other reasons?

To change your PDF handler to the Adobe Acrobat plugin or an external application, you can update one of your application preferences. There is now a support article on this: How to disable the built-in PDF viewer and use another viewer.

Any luck?