Can't open PDF in Zotero anymore

Hello,

I'm on Windows 8.1, and I'm using Firefox 35.0.1 and Zotero 4.0.25.2

I've been unable to open my PDFs via Zotero for about a week. At first it worked completely fine, I could double-click on the title of the file in Zotero and it opened the PDF (via the special reader that Windows 8 have).

And all of a sudden, seemingly without any reason (I didn't change any setting in Firefox or Zotero), it stopped working. Now, when I try to open a file in Zotero, all I get is a very long series of text in a new firefox tab.

Example for the beginning of one of my files :

%PDF-1.6 %âãÏÓ 736 0 obj <> endobj 745 0 obj <>/Filter/FlateDecode/ID[<10A3AF36E030D7CE9DBF6096B2AB486F><8E831A6F1D2AB645B74080F8C4CD8821>]/Index[736 60]/Info 735 0 R/Length 68/Prev 110378/Root 737 0 R/Size 796/Type/XRef/W[1 2 1]>>stream hÞbbd``b`vŒE ÂH°¨ˆ Á$|؁„¨7hç``bd‰100’@°~'UÇ #þ38Ü0;j¤ endstream endobj startxref 0 %%EOF 795 0 obj <>stream hÞb```b`


I've been searching here and on google for a while, hoping that someone else had encountered the same issue, but I couldn't find anything.

Does someone have any idea about what's going on here ?

Thank you.
  • when you right-click and "Open in External Viewer" does it still work?
    Can you open other PDFs in Firefox?
  • Actually yes, it works. Now I feel stupid for not even paying attention to that button...

    But thanks !

    However, it's still a bit slower than simply double-clicking on the link, and this bug is still strange. And yes, I can open other PDFs in Firefox (the pdf links in google scholar work fine, for instance).
  • this should help:
    https://www.zotero.org/support/kb/file_handling_issues
  • The same problem happens with Firefox for Mac. "Open in an External Viewer" works, but double-clicking on the item to open it in the browser doesn't -- it causes an infinite number of new windows to open. This is a new problem. There's definitely something wrong because Firefox is set to handle PDFs correctly.
  • see my link above. This is not a general issue.
  • Hey, I just tried your solution, and it worked, I can open my files correctly now, thank you very much !
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