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Firefox cannot load webpages that display pdf files, Safari works OK.
On websites, including http://www.greyhound.com/en/ticketsandtravel/default.aspx, where I buy bus tickets online, pages (ie. bus tickets) that should display as pdf files do not show up, or only partially (e.g. first page only). Before I updated Adobe flash, I received a message that I needed a Quicktime plug-in. After updating Adobe Flash, I don't see this, but I still can't see the pdf files. I don't have this problem with Safari. I'm using a Mac Intel, running OSX 10.6.7, Firefox 4.0.1
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I had the same problem. I fiddled around with the Plugins and and extensions. I disabled (removed ) the PDF Nitro program that downloads with Firefox. I enabled the Adobe plug ins. I set the PDF information to "open PDF with Plugins".
Not open with OS system or browser.
Hope this helps.
I don't see the PDF Nitro plugin.
I am using Windows XP and FireFox and for some reason I can no longer open .pdf files. Something about "if Adobe is already running ..."! I have re-installed Adobe Reader, re-started Windows and updated all Pluggins in FireFox.
Please help!