Why can't I open or download PDF files in Firefox

Why can't I open or download PDF files in Firefox. In Safari PDF files open automatic. Firefox won't open anything.

Does this help?
https://support.mozilla.org/en-US/kb/pdf-files-are-blank-and-cant-be-downloaded- mac

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Why can't I open a Adobe PDF file sent to me by e-mail as an attachment?

Why can't I open a Adobe PDF file sent to me by e-mail as an attachment?

I don't know. What exactly happens? (Exactly - including all error messages in full please) What is your computer (e.g. Windows 7), browser, and email program?

I have a problen in opening or downloading pdf file from firefox browser.

I am not able to view or download PDF files in firebox browser from varies site such as http://www.careerjunction.org.in .it simply shows black page and then blank.I check the add on list and it shows me Adobe firefox plugin.Pls help as every time i has to copy the PDF url from firefox to IE to download.

Hi BalusC,
thanks for your immediate response.
as you correctly pointed out its not XLS but a csv file that works fine.
I just tried my luck for XLS file, but as you said it does not work for XLS file as well. original file contained images which were lost
after the download and garbage characters got inserted in.
I will have a look at the code you have given link of.
but for reading/writing I am using inputstream/outputstream but doing that through reader and writer.
like this
br = new BufferedReader(new InputStreamReader(new FileInputStream(
fileName.toString()), charsetName));
and for writing
outputStream = new BufferedWriter(new OutputStreamWriter(
response.getOutputStream(), charsetName));
you mean to say I should not use reader writer?
-Rohant

Why can't I print or download PDF files?

I had Adobe Reader, and all was working fine. Once I downloaded the trial of Adobe Acrobat XI Pro, the opening and printing of PDF files became much slower, and now, I am unable to print PDF documents, and downloading or opening of PDFs from the web often doesn't work (seems to freeze up). What's going on?

I'm interested in the answer to this, as I am also having very similar problems.
I uninstalled and reinstalled Adobe Acrobat (we had XI) (in case of file corruption); I've checked if there's an update for our printer (a Brother) and installed it;
We can print any Word document we like, but no matter what I try, I cannot print any PDF file. A message comes up saying "the document could not be printed".
As we are a small business I'd appreciate a swift reply.
Thanks

Why can I not open an existing PDF file?

I get the following message: "There was an error opening this document. This file cannot be found."
I know that the file is there. In fact, none of my PDF file will open.

There was an option in the Old Keynote "Save new documents as packages". If it's off, the document would be automatically zipped. As a result, you couldn't "Show Package" on it.
if you selected it, it would save as a package and you could "Show Package"
This second one is what the new Keynote is doing and there's no option otherwise. SO, I believe you'll have to .zip the file yourself before emailing in order for it to send successfully. However, I'll have to play around a bit more specifically with the iPad interactions.
OH, just thought about another option. Have you tried sharing via iCloud instead? It provides a link that can be pasted in an email and loaded from both Mac's and iPads (and PC's if they have a recent browser, it'll load in iWork for iCloud).
Message was edited by: Kyn Drake

Why can't i open a scanned pdf file on my ipad?

I transfered several Word files and several pdf files that I scanned into my pc into pages. I can open the Word files but the pdf files are grayed out on the iPad.

Or if you toich and hold the file, does the' open in' pop up? Can you open them in i books?

Why can't I print out downloaded PDF files?

Such as medical forms, tax forms... It's making me INSANE. I purchased "Reader" among many other Adobe products, but still all I get is the word "error" in my printer queue.
Message was edited by: AllUser-NamesTaken

Assuming that you're talking about printing from Adobe Reader for iPad or iPhone, you either (1) need an AirPrint-enabled printer, or (2) (for the iPad only), purchase a third party app like Printer Pro from Readdle.
Here's a list of AirPrint-enabled printers:
A List of Printers with AirPrint (updated March 2013)
If you're talking about printing from Reader on your laptop or desktop computer, you're in the wrong forum.

Safari won't open up downloaded pdf file

Safari won't' open up downloaded pdf file but Firefox will.
Model Name:          iMac
Model Identifier:          iMac12,1
Processor Name:          Intel Core i5
Processor Speed:          2.5 GHz
Number of Processors:          1
Total Number of Cores:          4
L2 Cache (per Core):          256 KB
L3 Cache:          6 MB
Memory:          4 GB
Safari Version 6.1.1 (7537.73.11)
Receive message;
Adobe Reader could not open '2620522_rep.pdf' 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've done the dance with going to Library/internet plug-ins and there isn't anything there that refers to Adobe. I only have 4 plug-ins anyway.
Upload mgr
Content mgr
Picassa
and RocketEngine (which I need to find out what that is and get rid of it if I don't need it.)
I don't have Silverlight (which I hear will interfere).
I've got Adobe set up in settings to update automatically. I went to Adobe regardless and went to install Adobe reader and it said I already had it installed.
Anyone have an idea where to go from here?
Thanks in advance...

From the Safari menu bar, select
Help ▹ Installed Plug-ins
Besides the following, what plugins are listed?
iPhotoPhotocast
Java
QuickTime
Shockwave Flash
WebKit built-in PDF (absent in OS X 10.9 and later)

Why can't I open my downloads?

Why can't I open my downloads?

''Why can't I open my downloads?''
The shortcut "Ctrl+J" takes you to the Downloads Manager, it is basically a journal of downloads. If the file is deleted afterwards it knows nothing about that.
So if you download to a temporary files directly you could have many things clearing that. Likewise if you have Firefox set up to clear your history and that includes downloads you would lose them.
* http://img232.imageshack.us/img232/4928/clearcachew.png
If you are in Private session ("Ctrl+Shift+P") or permanent Private session with Tools > Options > Privacy > "Never Remember History" you would lose them.
Right click on one of the files in the downloads to see where it was downloaded to. Also see about:config settings mentioned in the following along with other problems.
http://kb.mozillazine.org/Unable_to_save_or_download_files

Why can't I open/play my movie files after I have downloaded them from my camera? Pictures open fine.

Why can't I open/play my movie files after I have downloaded them from my camera? Pictures open fine.

What system and iPhoto version are you running and do you have Qjuicktime Player 7 installed. It would be in the Applications or Applications/Utilities folder.
OT

Since upgrading my Mac OS X from 10.6.8 to 10.8 and 10.9, I cannot open newly downloaded pdf files. Please help! Thanks.

Hi,
Since upgrading my Mac OS X from 10.6.8 to firstly, 10.8 and then, 10.9, I have not been able to open new pdf files on either Preview or Acrobat Reader.
I can still open previously downloaded pdf files but not new ones.
I can still open new pdf files online. However, when I save a pdf to my computer, I cannot open them anymore.
I upgraded to 10.8 a couple of weeks ago and then accepted a free upgrade to Maverick (10.9) this morning. I was hoping that by upgrading to Maverick, I would be able to open pdf files again but alas, that is not the case.
I really need to open pdf files as a matter of urgency as I do this on a daily basis. I am not a computer whizz so if anyone can help find a simple yet effective solution to my problem, that would be much appreciated.
Thanks!

When I try to open a downloaded pdf file, I receive this message:
"It may be damaged or use a file format that Preview doesn’t recognize."
Yet, when I try to open pdf files downloaded whilst still using Mac OS X 10.6.8, they open as normal. So what is the problem, please?
I have deleted Adobe Reader and re-installed it. Yet, it follows the same pattern as above. The same is true of Preview. It's really frustrating because it means I can only open new pdf files using Safari (so I have to be online to do this). I need to be able to open pdf files when I'm offline as well.
Thanks.

Cannot open a downloaded pdf file..."The file couldn't be opened because it isn't in the correct format."

I have had this problem several times lately: I cannot open a downloaded pdf file. The error message reads: "The file couldn't be opened because it isn't in the correct format." But, of course, it is a pdf file.

My MacBook Pro (2.5 Ghz Intel Core i5) is running OS X 10.9.4. Here is what happens when reading an online user manual that I want to save to the Desktop and read later as a PDF file on my iPad or phone. With Safari I will select "Export As PDF" and the file shows up on the desktop. Even after multiple trials, there will be a dialogue box indicating the file cannot be opened. If I check the file info, the size is "zero." Trying to save the file as a pdf using the Print menu yields the same results. I have tried both of these methods using Preview, Adobe Reader, and PDF Pen Pro. This strange behavior also occurred several weeks ago and I finally abandoned the effort. But when the same thing happens twice, it becomes an issue that needs to be resolved.

Why can't I open and retrieve my files from iPhoto and my address book after importing the files from my Power mac G5 to my new Mac Pro? I get a warning that says the new OS on my Pro doesn't open files from a Power Mac. Any idea how I can fix this?

Why can't I open and retrieve my files from iPhoto and my Address Book after importing the files from my Power Mac G5 to my new Mac Pro? I get a warning that says the new OS on my Pro doesn't open files from a Power Mac. Any idea how I can fix this?

For your addressbook, export the files to vCard on the PowerMac, then bring them over to your Mac Pro. For your iPhoto, copy the Users -> yourname -> Pictures folder to your Desktop on the Mac Pro, and open iPhoto on the Mac Pro holding the command and option keys. Select the library file from that Pictures folder and open it. It should import all the pictures into iPhoto as part of the rebuild process. Other PowerPC to Intel migration issues are covered here: https://discussions.apple.com/docs/DOC-2295

When I try to open a downloaded PDF file it opens for about 6 seconds and then closes - how can I fix that?

I am using a Dell XPS8500 desktop with 64 bit Windows 7.
No problem downloading PDF files but when I open them they disappear before I can print.

Hello,
Which application are you trying to open the PDF files in? Firefox or Adobe Reader? Or another?
If adobe reader then please make sure that your copy is up to date. You can get the latest version here - http://get.adobe.com/uk/reader/
Also I notice that you are using Firefox 19. Unless you have a particular reason to run an old version of Firefox is it much better to keep updated. The latest version is v22. New security fixes are applied in every new version of Firefox. Without them your PC is vulnerable. Please see this article: [[Update Firefox to the latest version]]

Can't open or download pdf files

Much of the time I am unable to open pdf files on websites, or download them. Sometimes it works, but mostly not. When downloading doesn't work, I get a window with the front page of the document I want displayed, but I can't scroll to other pages, and it doesn't download. (I have it preferences set to download to my Desktop, and normally download other types of files.)
When I click to display pdf files, I get a new Safari window with a Quicktime logo in the middle.
I have re-downloaded the lastest version of Adobe Acrobat reader, incase that helped.
I have been living with this, thinking it's one of the prices of using Mac, but surely there's a solution?

Can someone help me with a similar problem? Safari
used to work fine, but now, when I click on a link in
a webpage that should give me a pdf file, I just get
a blank page with the url for the link showing above
in the address space. There is no download happening
at all. I find I can download them using Explorer,
but I don't want to use Explorer. I have OS 10.4.8
and Adobe Reader 7.0.5. Thanks for any help.
After reinstalling Safari, etc., I tried installing the Schubert plug-in mentioned in an e-mail above. It didn't work until I went into Adobe preferences and turned off the instruction telling it to display downloaded pdf files. Suddenly, voila! I'm downloading files fast into the browser, and can save them fast to my desktop. So, thanks, whoever it was that suggested that little plug-in.

Why can't I open or download PDF files in Firefox

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