Adobe reader changing everything to pdfs on computer

all of a sudden every program on my computer turned into a pdf file. All i could do to fix it was delete adobe reader from my computer. but now i cant open files when i need to because if i download it again same thing happens. looked on line and someone says that i need to change my .ink file extension. I dont know what that is our even how to access the info on my computer

http://helpx.adobe.com/acrobat/kb/application-file-icons-change-acroba t.html

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Why does Adobe Reader change my icons to pdf?

Why does Adobe Reader change my icons to pdf?

For the "why", you'd have to ask Adobe. If you are looking for a solution, this may be helpful:
http://helpx.adobe.com/acrobat/kb/application-file-icons-change-acroba t.html

Adobe Reader will not open PDF in browser simple answer.

I just had this problem and was able to work through it with the help of tech support from TD Ameritrade. The fix is simple so read on. After uninstalling and reinstalling all things adobe and trying other recommendations on these forums I was stumped. I called my broker tech section since I couldn't open their reports and we identified what my specific problem was. For me, and I imagine some of you this will help and prevent a lot of wasted time.
Nothing was wrong with my Adobe Reader. My problem was that I have a 64 bit operating system and both of my default browsers were 64 bit browsers. I did not know my internet explorer default browser was the 64 bit one until the technician that assisted me informed me that a recent windows update made all 64 bit systems default to 64 bit internet explorer browsers. You cannot change that default by choosing between 64 bit and 32 bit, because you can only choose internet explorer. That explains why my attempts to open with a 32 bit browsers always failed. I also tried with Firefox thinking it was 32 bit and it failed as well. The technician informed me Firefox is a 64 bit browser and then it made sense. I guess the recent Adobe reader update caused a change that no longer allowed my 64 bit system and 64 bit browser to open PDF's through the browser. The technician who assisted me has a 64 bit system and only uses 64 bit browsers and can still open PDF's through those browsers. That confused us for a while until we realized he had his Adobe updater turned off and therefore had not been exposed yet to the update that originated my problems.
****ANSWER FOR MY PROBLEM*******The quick answer is use Google Chrome or some other 32 bit browser. If you set a 32 bit browser as your default, the PDF's will open. You cannot set Internet Explorer 32 bit browser as your default if you have a 64 bit system and also have 64 bit Internet Explorer. The windows update prevents you from doing it. At least that is my understanding.
The bottom line is I have the newest Adobe Reader on a 64 bit system and can open any web PDF with Google Chrome set as my default browser, because it is a 32 bit browser. The new Adobe Reader will not open PDF's with a 64 bit browser in Vista. A 64 bit system is fine as long as you use the 32 bit browser to open your PDF's in Vista. I hope this helps some avoid some headaches. I wish it had been posted when my problem first arose.
I think you can use a 64 bit browser in Windows 9 or later, but for Vista the above applies.

Yes I can create a short cut to internet exp. 32 bit on my desktop and I can even be using Internet expl. 32 bit, but when I try to open a PDF with adobe reader it won't work with internet exp. as my default browser b/c windows will always choose Internet exp. 64 bit which isn't supported yet by adobe reader. With google chrome as my default browser windows can't choose an unsupported 64 bit browser in its place b/c google chrome doesn't have a 64 bit version.
My post was for those people who may not have realized yet that windows would not ever choose Internet expl. 32 bit over Internet expl. 64 bit if both exist on their system. For them it is easiest to just choose a default browser that only has a 32 bit version.
If I understood your reply correctly, you were telling me how to create a shortcut to Internet exp. 32 bit on my desk top. However, having that shortcut on my desk top and opening my browser through it will not prevent the problem of windows choosing my Internet exp. 64 bit browser for pdf's I try to open from the web. Thank you for your response, but I think the problem that I have tried to explain does exist for many users and can only be fixed by using a 32 bit browser that is not Internet explorer as your default browser. At some point if windows fixes the update that always chooses Internet expl. 64 bit over Internet expl. 32 bit, then this will all be irrelevant.
Thanks
Sent from my iPod

Adobe Reader 9.4.2 - PDFs won't open in IE 8 & IE 9

The recent Adobe Reader 9.4.2 is causing issues with PDFs opening in IE 8 and 9 browsers. Prior to this update our users have had no issues with opening PDFs generated by our website.
Our website generates USPS labels using Siberix ReportWriter software. We have not released any updates for at least a month. Again, before the release of Adobe Reader 9.4.2, there was no issues with our website's PDFs opening in IE browsers.
User System Specs:
Windows XP SP3 and Windows 7 Ultimate
Adobe Reader 9.4.2
Internet Explorer 8 - "File Download" window issue
Internet Explorer 9 - "File Download" window issue
Firefox 3.6.13 - No Issues
Chrome 9.0.597.98 (with Adobe Reader 9.4.2 plugin enabled and Chrome PDF Viewer disabled) - No Issues
The "File Download" window states the following (in addition to a Save and a Cancel button): "The file you are downloading cannot be opened by the default program. It is either corrupt or it has an incorrect file type. As a security precaution, it is recommended that you cancel the download. ..."
We have the following workarounds to address this issue with our customers, but they are not ideal:
Update to Adobe Reader X
Disable "Display PDF in browser" Reader option
Don't update Adobe Reader 9 to 9.4.2
Install other PDF Reading software.
Any solutions to this issue would be appriciated.
Thanks

We are experiencing the same problem, as I mentioned below. I did some research and experimentation, and have a ... workaround. It's not completely satisfactory, but we will go with it until we have a complete solution. Perhaps the following will help others and spur some research in the right direction.
First, a quick review. The problem does not occur with PDFs located on disk; it only occurs with direct streaming of PDF data. Let's also note that the problem does NOT occur with other browsers, e.g. FireFox. So ... technically the problem is not an Adobe Reader problem and we're all on the wrong forum.
My specialty is databases and I'm certainly no expert in this area, but from what I'm able to gather the problem is instead with how IE is recognizing and responding to the MIME type of the streamed data. We're all setting the contenttype to "application/pdf" (or similar) or we wouldn't even be here. But I'm concluding that something - some windows update - has changed the way IE on clients or (in my case) IIS on the server is handling that data stream. If any of you experiencing this issue have servers other than IIS, then the problem is on the client side, I'd say.
Aaaaaanyway, the following articles are old, but helped me:
http://forums.asp.net/p/1036628/1436084.aspx
http://www.techper.net/2008/02/27/4-ways-to-stream-pdf-and-some-tips/
To cut to the chase, the workaround we're going with for now is to add the following to the http response header (this is C#/ASP.NET code):
Response.AppendHeader("content-disposition", "attachment;filename=myfile.pdf");
That causes a popup dialog to appear asking the user to open or save the PDF, something that is familiar to most everyone. If the user asks to open the file, it appears in a browser window just as it did before this problem occurred. Again, this is a temporary solution, but at least the user can see the PDF data in a browser with one extra mouse click.
If an Adobe tech support person or anyone with more experience in this area knows the final solution, I'd LOVE to hear it. Please reply here or in email.
Thanks and good luck all.
BillyB

Urgent: Adobe Reader does not attach pdf-files to standard e-mail software any more!

Hello,
Situation:
Windows XP Pro; SP3
Office 97
Thunderbird
Adobe Acrobat Reader
When I want to attach a pdf-file directly from Adobe Reader to a new Thunderbird e-mail it starts ALL OF A SUDDEN the setup-assistant for Microsoft Exchange / Outlook! Why? I have no clue (:
It worked fine until 3 days ago.
Thunderbird is the standard e-mail software and it works for example fine if I click on an address in the internet. Thunderbird opens a new mail.
I tried to uninstall Adobe Reader and installed it again (restart computer / ccleaner) but this failure still occurs!
Does anybody know what to do please? It is really urgent because I need that function all the time... (:
By the way: I do not work with Outlook; it is not configured.
Thank you very much!

> ALL OF A SUDDEN...
What happened between when it worked correctly 3 days ago, and the time it stopped working as expected?
Check Control Panel | Internet Options | tab Programs; to what is the E-mail option set?
If it is already correctly showing Thunderbird, then try a System Restore to a date when it still worked correctly.

Adobe Reader 9 has taken over my computer!

Every time I try to open a desktop item I.E., Firefox, any shortcut or even my add/remove program in the control panel, an adobe reader window opens with a smaller window inside with an error message with the program I am trying to open, including trying to open Adobe reader to create a PDF file.
To open any of these, I have to right click and click on the open button.
The error message goes like this:
Adobe Reader could not open (acrobat.com.exe) 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. This error message will come up the same for everything th
at I try to open, decktop shortcuts, whatever.
How can I fix this problem? I have uninstalled and installed several times, getting the same results?
Frank!!!

This is not what is happening. When I click to open I.E. from my desktop, Reader opens and I get this error message:
Every time I try to open a desktop item I.E., Firefox, any shortcut or even my add/remove program in the control panel, an adobe reader window opens with a smaller window inside with an error message with the program I am trying to open, including trying to open Adobe reader to create a PDF file.
To open any of these, I have to right click and click on the open button.
The error message goes like this:
Adobe Reader could not open (acrobat.com.exe) 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. This error message will come up the same for everything th
at I try to open, decktop shortcuts, whatever.
How can I fix this problem? I have uninstalled and installed several times, getting the same results?
Frank!!!

Using Maverick, error message: Adobe Reader could not open '***.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).

Receiving error message using current Maverick version: "Adobe Reader could not open '***.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).". Is fix the same as on previous OS versions?

Back up all data before making any changes. Please take each of the following steps until the problem is resolved.
Step 1
If Adobe Reader or Acrobat is installed, and the problem is just that you can't print or save PDF's displayed in Safari, you may be able to do so by moving the cursor to the the bottom edge of the page, somewhere near the middle. A black toolbar should appear under the cursor. Click the printer or disk icon.
Step 2
There should be a setting in its preferences of the Adobe application 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.
Step 3
If you get a message such as ""Adobe Reader blocked for this website," then from the Safari menu bar, select
Safari ▹ Preferences... ▹ Security
and check the box marked
Allow Plug-ins
Then click
Manage Website Settings...
and make any required changes to the security settings for the Adobe PDF plugin.
Step 4
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 by pressing 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.
Step 5
The "Silverlight" web plugin distributed by Microsoft can interfere with PDF display in Safari, so you may need to remove it, if it's present. The same goes for a plugin called "iGetter," and perhaps others—I don't have a complete list. Don't remove Silverlight if you use the "Netflix" video-streaming service.
Step 6
Do as in Step 4 with this line:
~/Library/Internet Plug-ins
If you don’t like the results of this procedure, restore the items from the backup you made before you started. Relaunch Safari.

Adobe reader v10.1.2 + PDF Test Toolkit

Hi there,
We have QTP 11 installed on one of our test PC's and have Adobe reader v10.1.2 + latest PDF Test Toolkit installed.
When starting QTP we can see the plugin in the add ins screen, however when we try to launch a .pdf using the reader we get - Adobe reader has stopped working.
If we close QTP then the reader will view the .pdf.
We have Adobe reader v10.1.0 + PDF Test Toolkit installed on 2 other pc's and that works fine?, could it be reader version issue as we understand the toolkit will run ok on v10.1.1 and above
Any response appreiated,
regds,

Hi
We have lately found that due to some of our changes in Reader 10.1.2 release, the plugins have broken.
They still continue to work with Adobe Reader 10.1.0 and 10.1.1 ON ANY ENVIRONMENT WITH ANY QTP VERSION.
For the time being, before Adobe roll out a fix, we would suggest you not to upgrade the Adobe Reader versions.
Thanks and Regards

Cannot open Adobe Reader XI or any PDF file

When I try to open Adobe Reader XI or any PDF file, it says that it "cannot open in Protected Mode due to an incompatibility with your system configuration. Would you like to open Adobe Reader with Protected Mode disabled?" When I choose open with Protected Mode disabled, it then displays "Acrobat failed to load its Core DLL.” Please help. Thank you. All PDF’s and adobe reader use to work on my computer. Thank you. When I try troubleshooting the problem, “incompatible application” is listed under the troubleshooting report.

Hi
Please follow this KB doc: http://helpx.adobe.com/acrobat/kb/reader-core-dll-error.html
Thanks

FYI: Server-side fix for IE / Adobe Reader 10.1.2 PDF embed problem

Hey all,
I posted this message as a reply to a question, but want to make sure this gets out there for others who may benefit:
After about four hours of debugging this issue, I have found that, at least for me, the regression issue seems to be with Adobe Reader handling a gzipped PDF embedded in the IE browser, specifically. I can't speak to why this would occur, but hopefully this will help others out. On our site, we had gzipping only disabled (as most probably do) for images (gif, jpg, jpeg, png), meaning PDFs were being gzipped. This, prior to 10.1.2, worked just fine. I changed our web server configs so that PDFs are no longer gzipped and I can now view the PDFs in IE with Reader 10.1.2 the same as before.
If you're using Apache, look for a line that looks something like this in your httpd.conf:
\.(?:gif|jpe?g|png)$ no-gzip dont-vary
And change to:
\.(?:gif|jpe?g|png|pdf)$ no-gzip dont-vary
That all being said, this still sounds like a bug in Reader 10.1.2, and gzipped PDFs via IE should be supported. I'm sending a separate report to Adobe so hopefully that specific information will help them debug / fix. Until a patch has been released, however, this will make sure our customers can view PDFs. Hope this helps someone else out!

According to http://kb2.adobe.com/cps/860/cpsid_86063.html from 2012-01-09
"Unsupported configurations for Reader running in Protected Mode include:
Hosting on a Citrix or Windows Terminal Server. Fixed 10.1 (including Acrobat's Protected View)."
Try disabling Protected Mode:
From Adobe's help file:
Protected mode (Windows)
By default, Adobe Reader X runs in protected mode to provide an added layer of security. In protected mode, malicious PDF documents can’t launch arbitrary executable files or write to system directories or the Windows Registry.
To check the status of protected mode, choose File > Properties > Advanced > Protected Mode.
Protected mode is enabled by default. To turn off protected mode:
1 Choose Edit > Preferences.
2 In the Categories list on the left, select General.
3 Deselect Enable Protected Mode at startup.

Can adobe reader Xl pro compare pdfs with images

Can the Adobe reader Xl pro compare pdfs with images/graphics and test?

Claudio,
I have documents with multiple revisions. I want to know the change from revision 1 to revision 2. Can adobe show the difference between the two revisions?
The documents(pdfs) contain some text, graphics, flowcharts etc.

How do I make Adobe Reader X my default PDF Reader (over Nitro)?

How do I make Adobe Reader X my defaulf PDF reader (over Nitro)?

Very helpful, slight change, after right clicking PDF causing list of possible programs, go to Open With, then when the list comes up do not click on desired program, scan down to the bottom of pop up menu to Choose program, right click that causing another menu "Open with" window, then selectr Adobe from the list and also click the box to the left of "Always use this selected program to open this kind of file", and then click OK.
These variations may be due to different versions of Windows - I have XP SP3. I consider that ~graffiti deserves 10 points for his answer!!! I worked for teo days trying to fix thi so I can doemload legal files from PACER without having to pay their fees for my case files.

We are trying to implement a process so that any document that needs to be printed through our Java application will be printed as PDF using Adobe Reader. For which, We created and execute the below command line to call Adobe Reader and print the PDF on a

We are trying to implement a process so that any document that needs to be printed through our Java application will be printed as PDF using Adobe Reader. For which, We created and execute the below command line to call Adobe Reader and print the PDF on a printer."C:\Program Files (x86)\Adobe\Reader 11.0\Reader\AcroRd32.exe" /T "\\<Application Server>\Report\<TEST.PDF>" "<Printer Name>". Current Situation: The above command line parameter when executed is working as expected in a User's Workspace. When executed in a command line on the Application Server is working as expected. But, the same is not working while executing it from Deployed environment.Software being used: 1. Adobe 11.0 enterprise version. 2. Webshpere Application Server 8.5.5.2. Please let us know if there is a way to enable trace logs in Adobe Reader to further diagnose this issue.

This is the Acrobat.com forum. Your question will have a much better chance being addressed in the Acrobat SDK forum.

How can I hide page thumbnails navigation bar at the start up of Adobe Reader and open a pdf file?

How can I hide page thumbnails navigation bar at the start up of Adobe Reader and open a pdf file? I could not find this option under Preferences tab? Thanks

Hey there,
Thanks for your reply. That works for the files I do what you said. However, for files I have not done that, It still shows the navigation bar. Any idea, how to do it default for any files?
Thanks agian

Adobe reader will not open pdf files I have saved as, or, export as pdf to my desktop (latest Maverick). The same file does open when I am on the source website (i.e. user manuals etc.). Why?

Adobe reader will not open pdf files I have saved as, or, export as pdf to my desktop (latest Maverick). The same file does open when I am on the source website (i.e. user manuals etc.). Why?

iMac G4, Mac OS X (10.4.9)
Make sure you have the latest Adobe Reader installed for your OS.
http://www.adobe.com/support/downloads/product.jsp?platform=macintosh&product=10
Did you try using Preview. If you control click on the PDF on your desktop you can use the "open with" option.

Adobe reader changing everything to pdfs on computer

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