Unable to preview PDFs in Firefox v25 using the Adobe Acrobat Plugin on Win8. It Indefinitely loads the PDF, I have tried reinstalling Adobe and Firefox.
Basically the PDF just loads indefinitely without ever bring up the preview. I have reinstalled and updated all relevant programs and I have tried using the Firefox native PDF reader but this does not load the PDF either. I can load PDFs from Chrome.
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Current Firefox versions have enabled a built-in PDF Viewer that doesn't have all features that other PDF readers like the Adobe Reader have or may not function properly otherwise.
You can change the action for Portable Document Format (PDF) from Preview in Firefox to use another application like the Adobe Reader or set to Always Ask in "Firefox > Options/Preferences > Applications".
You can set the pdfjs.disabled pref to true on the about:config page to disable the build-in PDF viewer.
You can check the value of the plugin.disable_full_page_plugin_for_types pref on the about:config page and remove the application/pdf part if present or reset the pref to the default via the right-click context menu if you want to display PDF documents in Firefox with another application (i.e. not the built-in PDF Viewer).
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