Cannot open pdf file.

When I download a pdf file, I frequently cannot open it. I receive an error message that states "Adobe Reader could not open '(name of file)' because it is either not a supported file type of because the file has been damaged (for example, it was sent as an email attachment and wasn't correctly decoded)."
I am not positive but I think this has been happening since I installed Maverick 10.9.1.

Hi nofooling
Can you open it with Mac preview ?

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I cannot open pdf files from one supplier when using Adobe Reader but I can using another Viewer

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Newer Reader versions are more strict than older versions (and other PDF viewers). If certain minimum requirements are not met, Reader will tell you that the PDF is damaged. This can happen when a document was created with software that does not adhere to PDF standards, or when the file was damaged during a download or email transmission.
You should contact the creator of these PDFs.

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Hello,
I searched this site and google for this error terminology and come up dry. I support a user who has been for years using Acrobat 5 (yes, I know...) to read files in a client DB program, as well as other PDF files on their PC. In the last week or so, they have started gatting this error "Acrobat is being used by another application and cannot open PDF files until the other application is closed." any time they attempt to open a PDF file attached to an email (via Outlook).
It is my understanding that they cannot upgrade to a newer version of Acrobat because of limitations of their client software, but had not previously had any issues viewing PDF notes from the DB, and PDF attachments in their email.
I have tried uninstalling and re-installing, as well as tried using Adobe Reader 7 & 9 in conjunction with Acrobat to try to get around this issue, but have not been successful.
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I don't have an answer to your technical problem. The product I assume is Acrobat that you are talking about (based on the post title), Adobe is the company name. This is a good place to ask questions on Acrobat if folks can figure out what you are talking about. They will ask for the product version number (like AA9.3.3), operating system, and other applications if appropriate. Also, just what you are doing that generates the message.
As for Adobe, you are not likely to get an answer from them here in the user forum. You will be lucky if you can get an answer if you can contact them and not be on hold for more than an hour (sorry, this is why a lot of folks end up in the forum).
So, to help others try to answer your question, what are the products and versions involved? What OS? What are you doing when the message comes up.

I cannot open pdf files in safari. It tells me first character is invalid. I have deleted plug-ins and reinstalled program. HELP

cannot open PDF files in safari. It tells me first character is invalid - I have deleted plug-ins and reinstalled the program.

HI..
If you are using Adobe Reader ...
Try uninstalling the current copy of Adobe Reader first.
Best to use a utility to do this to make sure all the associated files are removed as well > Download AppCleaner for Mac - Uninstall your apps easily. MacUpdate.com
Then reinstall > http://get.adobe.com/reader/
Quit then relaunch Safari to test.

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Which Operating system you are using?
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Another work around is to copy the link and paste it in IE.
Is this a bug with "click-to-play"?

Thanks cor-el. I have read the various bug reports and it is indeed the same. Has been known for a while...
Anyway, I find no mention of the work-around: "Click on the button next to the awesome bar and set that plug-ins will always load automatically for this page."
I don't know if there is a place to give that feedback.

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Hello,
Have you tried, to start Firefox in safemode you can do so by following these steps
'''If Firefox is open,''' you can restart in Firefox Safe Mode from the Help menu:
* Click the menu button [[Image:New Fx Menu]], click Help [[Image:Help-29]] and select ''Restart with Add-ons Disabled''.
'''If Firefox is not running,''' you can start Firefox in Safe Mode as follows:
* On Windows: Hold the '''Shift''' key when you open the Firefox desktop or Start menu shortcut.
* On Mac: Hold the '''option''' key while starting Firefox.
* On Linux: Quit Firefox, go to your Terminal and run ''firefox -safe-mode'' <br>(you may need to specify the Firefox installation path e.g. /usr/lib/firefox)
When the Firefox Safe Mode window appears, select "Start in Safe Mode".
;[[Image:SafeMode-Fx35]]
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''To exit Firefox Safe Mode, just close Firefox and wait a few seconds before opening Firefox for normal use again.''
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Richvan2, welcome to the forum.
The first thing you should do is run your antivirus program. It could be a virus.
Then, you should download the latest version of Adobe Reader. It may be a glitch in the current version on your computer.
Please click the "Thumbs up + button" if I have helped you and click "Accept as Solution" if your problem is solved.
Signature:
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I am not an HP employee.

Mac OS X cannot open pdf files from online sites.

Mac OS X cannot open pdf files from online sites.

The problem is definitely between my safari and Adobe.
I can open documents in emails. But not something like this.
Your Folk Project newsletter for the coming month is available for download at:
http://folkproject.org/enl/eNewsletterDownload.shtml
Kathryn Weidener
Storyteller
908 369-7571
[email protected]

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Reset the device did not help me but it does triggers me to attempt to resend the PDF file attachment on email--and it works the 2nd time. My problem is now solved.
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Please help me!!!!

Back up all data.
If Adobe Reader or Acrobat is installed, there should be a setting in its preferences such as Display PDF in Browser. I don't use those applications myself, so I can't be more precise. Deselect that setting, if it's selected. Otherwise do as follows.
Triple-click anywhere in the line of text below on this page to select it, the copy the selected text to the Clipboard by pressing the key combination command-C:
/Library/Internet Plug-ins
In the Finder, select
Go ▹ Go to Folder
from the menu bar, or press the key combination shift-command-G. Paste into the text box that opens (command-V), then press return.
From the folder that opens, move to the Trash any items that have "Adobe" or “PDF” in the name. You may be prompted for your login password. Then quit and relaunch Safari, and test.
The "Silverlight" web plugin distributed by Microsoft can also interfere with PDF display in Safari, so you may need to remove it as well, if it's present. The same goes for a plugin called "iGetter," and perhaps others — I don't have a complete list.
If you still have the issue, repeat with this line:
~/Library/Internet Plug-ins
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I cannot open pdf files in Firefox. (I can in Chrome).
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When I enter about:preferences#applications <Enter> in the address bar, then for PDF it shows:
pdf File (application/x-download) ... Use Adobe Acrobat Professional
pdf File (application/x-pdf) .... Use Adobe Acrobat Professional
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I would like all PDF's to open in Adobe Acrobat 8 Professional.
Right now none of the PDF's open at all, so opening in Firefox or any other viewer would be preferred over not showing up at all.

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You seem to have missed some of our questions
What is your operating system? (e.g. Windows Vista, Mac OS Lion)
What happens when you try to open PDF files?
Do you get any error message?
and I will add one more
What web browser are you using?

Cannot open pdf file.

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