Firefox or Adobe will not allow downloading useable PDF files anymore. Started with last update of Adobe/Firefox.
For the last few days, I think it was after an update in Firefox or an update in Adobe reader, I cannot save a PDF file from the web and then open it with either Adobe Reader or PDFlite.
The file opens and I can read it just fine within Firefox using Adobe Reader, I guess as a plug in.
But if I save the file as a PDF it saves just fine, with a PDF extension, but when I try to read the PDF file with Adobe or PDFlite it gives an error message - "Adobe Reader could not open <filename> because it is either not a supported file type or because the file has been damaged (for example, it was sent as an email attachment and wasn't correctly decoded)."
I download a lot of datasheets so this is suddenly a major problem for me.
Thanks - Don
Hi Don, there might not be an advantage for you if Adobe works well for you. There are some articles on the motivation for developing a non-proprietary PDF reader -- which is definitely a work-in-progress -- but I don't have the references handy.
Let me tackle some of those individual items:
(1) Unknown publisher warning. This is odd, do you notice that with any other downloads?
It might be a feature of Windows download security. By default, Firefox marks downloads as having come from the internet. You can turn that off by turning off Firefox's antivirus integration. Your real-time AV software still will check files once they are downloaded; this feature is really for people who do not have full-time AV, only on-demand AV.
To toggle that setting:
(i) In a new tab, type or paste '''about:config''' in the address bar and press Enter. Click the button promising to be careful. This is Firefox's about:config preferences editor.
(ii) In the filter box, type or paste '''scan''' and pause while the list is filtered
(iii) Double-click '''browser.download.manager.scanWhenDone''' to switch it from true to false. You're done with about:config.
Does that affect the warning?
(2) Where do you see "Save as PDF"?
I have "Save Page As" on the menu. That worked when I tried a simple PDF. By worked I mean it opened without complaint in Adobe Reader. I suspect it's doing the same thing as the download button.
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