Where did you install Firefox from? Help Mozilla uncover 3rd party websites that offer problematic Firefox installation by taking part in our campaign. There will be swag, and you'll be featured in our blog if you manage to report at least 10 valid reports!

Avatar for Username

Sykje yn Support

Mij stipescams. Wy sille jo nea freegje in telefoannûmer te beljen, der in sms nei ta te stjoeren of persoanlike gegevens te dielen. Meld fertochte aktiviteit mei de opsje ‘Misbrûk melde’.

Learn More

Dizze konversaasje is argivearre. Stel in nije fraach as jo help nedich hawwe.

Error msg when I click on a PDF file link I ".pdf could not be opened, because an unknown error occurred. Try saving to disk first and then opening the file."

  • 1 antwurd
  • 4 hawwe dit probleem
  • 1 werjefte
  • Lêste antwurd fan Andrew

riabroi
riabroi
more options

When I click on a link to view a PDF file, I receive the error msg: ".pdf could not be opened, because an unknown error occurred. Try saving to disk first and then opening the file."

Firefox vsn 19.0.2 Adobe PDF Plug-In for Firefox and Netscape 11.0.2.0 Tools/Options/Applications/Content Type = PDF File/Action = Adobe Reader

Am able to download/view the file, but want to view in a Firefox window

When I click on a link to view a PDF file, I receive the error msg: ".pdf could not be opened, because an unknown error occurred. Try saving to disk first and then opening the file." Firefox vsn 19.0.2 Adobe PDF Plug-In for Firefox and Netscape 11.0.2.0 Tools/Options/Applications/Content Type = PDF File/Action = Adobe Reader Am able to download/view the file, but want to view in a Firefox window

Alle antwurden (1)

Andrew
Andrew
  • Moderator
more options

Please install the following add-on to see if it helps. 

https://addons.mozilla.org/en-US/firefox/addon/pdfjs/