Repeated notification that "Adobe Acrobat Reader plug-in" in Firefox is "out of date" after the upgrade is downloaded and installed.

I have tried to update the Adobe Acrobat Reader DC, along with the plug-in in Firefox v37.0.1. Repeatedly, after the download/installation is "complete", upon opening Firefox I'm met with the message that the "Adobe Acrobat plug-in" is "out of date". I tried rebooting my machine, uninstalling Acrobat Reader DC (which works as a stand-alone), and still the plug-in is never updated (the one listed is from early December 2014) and the reminder always reappears with opening Firefox. Can anyone help with this?

Sorry about the issue which you are facing. It would be helpful if you could share the firefox notification message screenshot.
Also, please check that the firefox plugins show the correct Adobe Acrobat Reader DC plugin. If possible, please share the firefox plug in screenshot as well.

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I have Adobe Acrobat version 11.0.0 installed with Adobe CC. I cannot download PDFs from the internet (in this case from PubMed National Library of Medicine). If I try to do this I get a popup message saying that "ADOBE ACROBAT NPAPI PLUG-IN, VERSION 11.0.0 NEEDS YOUR PERMISSION TO RUN. I DON'T KNOW HOW TO GIVE THIS PERMISSION OR WHAT TO DO. CAN YOU PLEASE HELP?

What buttons do you get to click on with this message? What browser are you using (e.g. Safari, Chrome, Internet Explorer...)

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Assuming that you are using IE10 / IE11 on Windows: http://support.microsoft.com/kb/2716529

I am using an iphone 3g and when i connect my device to my laptop a dialog box appears saying that an update of 4.2 is available so went for it.after the firmware is downloaded via itunes it shows that the firmware is invalid!.please help.

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Opening Adobe Acrobat/Reader (1:1) in Firefox

Hello all,
I realise this thread is very similar to others on this forum but having followed the posts and possible solutions I still cannot come to a successful outcome. Hopefully someone can help.
Firstly the error: There is a problem with Adobe Acrobat/Reader. If it is running, please exit and try again. (1:1)
This occurs when trying to launch a pdf from within an internet page.
I have version 10.1.2 of Adobe Reader
I am running Firefox version 10.0
I have attempted to uninstall and then reinstall Adobe, unchecked the enable protection mode in Adobe Reader X general settings and even tried tinkering with the registry edits but alas I still receive the above error message each time.
Could someone please provide an initial step-by-step problem solving approach to see where fault lies with my Adobe, bearing in mind the version of Reader and Firefox I have?
Many, many thanks.

After a third uninstall and re-install I've managed to crack it.
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I have an Acrobat plug-in which performs various functions including writing to a text file on c:\
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If I use the same plug-in with Reader everything seems to work ok except that it won't create the text file. It's as if Adobe reader is protecting this somehow.
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More about protected mode. It is designed specifically to protect the user against attacks originating INSIDE Adobe Reader (e.g. via exploits). Sandboxing is a leading edge protection technology, which (for example) is also being applied to browsers. Your plug-in is therefore part of the problem to be protected against. You have to fully understand the philosophy to exist inside this new sandboxed world. Here is some reading
http://blogs.adobe.com/livecycle/2010/11/technical-details-of-adobe-reader-x-protected-mod e.html
http://blogs.adobe.com/security/2010/07/introducing-adobe-reader-protected-mode.html
http://blogs.adobe.com/security/2010/10/inside-adobe-reader-protected-mode-part-1-design.h tml
http://blogs.adobe.com/security/2010/10/inside-adobe-reader-protected-mode-part-2-the-sand box-process.html
http://blogs.adobe.com/security/2010/11/inside-adobe-reader-protected-mode-part-3-broker-p rocess-policies-and-inter-process-communication.html
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Touchpad scrolling not working since v16.0.2 upgrade.... All other Windows apps are fine. Scrolling even works in Acrobat Reader plug-in within Firefox.

Tried rolling back to a previous version to no avail. Seems the new version has made some permanent changes to the system.

Try to disable hardware acceleration in Firefox.
*Tools > Options > Advanced > General > Browsing: "Use hardware acceleration when available"
*https://support.mozilla.org/kb/Troubleshooting+extensions+and+themes
*https://hacks.mozilla.org/2010/09/hardware-acceleration/
Try to modify the ui.trackpoint_hack.enabled pref on the about:config page from the default value -1 to 0 or 1 to see if that makes the scroll pad work.<br />
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*http://kb.mozillazine.org/about:config

Can not "see" Adobe Acrobat Reader DC in Google Chrome Plugins? Find in IE.

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Suggestions?

Hi C N,
Going forward, the Adobe Reader plugin will not be supported in Chrome. The Chromium team has decided to remove support for NPAPI plugins like Adobe Reader. Here's a blog post that describes their decision - http://blog.chromium.org/2014/11/the-final-countdown-for-npapi.html
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Rave

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Hi there
I was forced to install Adobe's Acrobat Reader Plug-in in order to view and download my bank statements. However, I would like to use Safari's default PDF viewer plug-in when browsing other than my bank's website.
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Message was edited by: another_steve

I had the same issue with 9.0.0 -- option to disable from Reader's "Internet" options was grayed out.
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/HD/Library/Internet Plug-Ins
instead of at the User level
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Like you, there are only a few situations where I am forced to use Adobe Reader -- certain medical, insurance, or financial forms that don't render or transmit accurately when using Preview.
Drives me nuts -- those are exactly the kind of forms I want to save as PDF to disk when completed -- and Adobe explicitly prevents saving as PDF. I can transmit the completed form to the provider, or I can save a blank form, but I cannot save a PDF of the completed form. Like chewing on soap by the time I'm finished...
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Adobe Acrobat Reader problem

I have not been able to get Adobe Acrobat Reader to work on my phone. My company distributes instruction via pdf files, and I'd been taking my laptop with me on service calls. I still have to do that, because I can't access any .pdf file on my phone except the overly red introductory how-to blurb. One thing that stands out for me is that the app doesn't show up in my app list what so ever. It's listed when I find the 'manage applications' tab. I've tried to download the update, and still no functionality. I uninstalled the update, in hopes of being able to re-install. Is the apps list supposed to include the Adobe Acrobat reader in the list/grid, or am I supposed to only have to go to my list of downloads to get to .pdf's. The downloads list shows where I've tried to download the file, but it always says "download failed".
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I have uninstalled and reinstalled the only Adobe Reader from the Play Store that is from Adobe Systems multiple times.
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[private data removed]

A recommendation to upgrade to Firefox 6.o just came out. When I started to upgrade, I was advised that my antivirus software would be disabled (Avasti) So far I have justmstopped the upgrade process as I want an antivirus running. Any suggestions?

If I upgrade I will not have an antivirus

I have had a similar problem with my system. I just recently (within a week of this post) built a brand new desktop. I installed Windows 7 64-bit Home and had a clean install, no problems. Using IE downloaded an anti-virus program, and then, because it was the latest version, downloaded and installed Firefox 4.0. As I began to search the internet for other programs to install after about maybe 10-15 minutes my computer crashes. Blank screen (yet monitor was still receiving a signal from computer) and completely frozen (couldn't even change the caps and num lock on keyboard). I thought I perhaps forgot to reboot after an update so I did a manual reboot and it started up fine.
When ever I got on the internet (still using firefox) it would crash after anywhere between 5-15 minutes. Since I've had good experience with FF in the past I thought it must be either the drivers or a hardware problem. So in-between crashes I updated all the drivers. Still had the same problem. Took the computer to a friend who knows more about computers than I do, made sure all the drivers were updated, same problem. We thought that it might be a hardware problem (bad video card, chipset, overheating issues, etc.), but after my friend played around with my computer for a day he found that when he didn't start FF at all it worked fine, even after watching a movie, or going through a playlist on Youtube.
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I apologize for the lengthy post. Any feedback would be appreciated, but is not necessary. I will try and post back after I try FF 3.16.6.

Acrobat plug-in. I get this when try to opem. The Adobe Acrobat/Reader that is running can not be used to view PDF files in a Web Browser. Please exit Adobe Acrobat/Reader and exit your Web Browser and try again. Don't problems w/ Internet Explorer-

Acrobat plug-in.
The Adobe Acrobat/Reader that is running can not be used to view PDF files in a Web Browser.
Please exit Adobe Acrobat/Reader and exit your Web Browser and try again.

See if you can find a NPPDF32.DLL files in the Firefox program folder (C:\Program Files\Mozilla Firefox\)
You can see the installed plugins on the about:plugins page.
* http://kb.mozillazine.org/about%3Aplugins
You can set the pref plugin.expose_full_path to true on the about:config page to see the full path of plugins on the about:plugins page.
It is best not to leave that pref set to true as it exposes that full path to web servers, so reset that pref to false after you are done with the about:plugins page.
You can open about:plugins and about:config via the location bar, like you open a website (about: is a special protocol to access some build-in pages).
If you get a warning when opening the about:config page then you can confirm that you want to continue.
See Manually uninstalling a plugin:
* https://support.mozilla.com/kb/Troubleshooting+plugins

The Adobe Acrobat/Reader that is running can not be used to view PDF files in a Web Browser. Please exit Adobe Acrobat/Reader and exit your Web Browser and try again.OK. I followed the instruction and the problem still persists.

I got the following pop-up when I tried to open an online PDF file:
The Adobe Acrobat/Reader that is running can not be used to view PDF files in a Web Browser.
Please exit Adobe Acrobat/Reader and exit your Web Browser and try again.
I tried many time, and it really doesn't work.
The plug-in I have is Adobe Acrobat 8.3.0.280

After I upgraded to Firefox 5, I had the same problem and I did a work around temporarily. I went the tools menu, then Add-ons, then clicked the "Plugins" on the left side (4th one down). I "disabled" both Adobe Acrobat 8.3.0.280 and Adobe Acrobat 10.1.0.536 using the disable buttons on the right side. PDF files now open again. However they are outside the actual browser.
My guess is that Adobe didn't catch up yet with a new update to work with Firefox or vice versa.
Hope that helps!
Michael

Repeated notification that "Adobe Acrobat Reader plug-in" in Firefox is "out of date" after the upgrade is downloaded and installed.

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