Error - "not a valid pdf document. it cannot be opened"

I am getting this error message when opening PSE. It says "This is not a valid Portable Document File (PDF) document. It cannot be opened." Needing help asap! Thanks!

Quit PSE. Then go to your username>library>preferences and delete:
com.adobe.PhotoshopElements.plist
Adobe Photoshop Elements < version number > Paths
Adobe Photoshop Elements < version number > Settings
In 10.7 and higher that library is hidden. To see it, option click the Go menu in the Finder and it will appear below the little house for your user account. Also in 10.7 and up, while you're in there go to the saved application states folder and delete any for PSE.
Repair permissions and try again.

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Error message 'not a valid PDF document'

Hi folks,
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Important message
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OS Version: 10.2.0.429
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Stuffit is the only app I know of which can decompress its own format. Your Windows clients must use the free Expander to open them. Otherwise, use OS X's built in zip compression and they'll be able to open the files without the need of third party software. Right click on any item, or group of items and choose, "Compress xxx Items" (how it will read if more than one item is chosen).

This document cannot be opened as it is not a valid PDF document

I am trying to get my Amex statement from Amex on my tablet. I have Adobe reader for Andriod and Pdf to Go. Each time I download and tray to read the document I get this error. Other Pdf files I have downloaded open OK.

I GOT PROBLEMS TOO...got this error when trying open the pdf files in android devices "The document cannot be opened because it is not a valid PDF document" ..im using samsung s4..i tried open the same files at windows pc and its can be open fine,the files not contain any passwod btw..seem some files cannot be open at android is this normal or what? got solution of tht?or i just search another pdf viewer?
example of files : http://www.mediafire.com/download/raz3x0bk1mvnni4/Lawak+Kampus+01%40ih azaliza.blogspot.com.pdf
this the screenshot

Downloading pdf on iPad mini, opening in Adobe reader, won't open, saying this is not a valid pdf document

Hi
I am trying to open a pdf document which is a course qualification handbook.
I have been able to open other pdf documents in the adobe reader app, any suggestions how I can open the above document.
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Is the course qualification handbook "protected" in any way? For example, to limit the access to the content, a protected PDF document may prompt you to enter user name and password or use some proprietary technology to obscure the content.
Adobe Reader mobile products (Adobe Reader for iOS, Android, Windows Phone) do not support eBooks, protected PDFs, etc.
Would you try opening the course qualification handbook in the desktop version of Adobe Reader on your Windows or Mac computer and see what happens?

Why the message " ... not a valid PDF document ..."?

Am using PSE 9 on a Mac OS 10.7 when suddenly an error message started appearing 3 (and more) times in a row every time I tried to edit a photo. (I had been editing 100's of photos with no problem.) Now, even if I just open up Elements with no photo, the message appears 4 times before I get to the blank workspace. All I can do is click "OK" however many times the message appears. Have no idea why PSE thinks I'm trying to edit a PDF file.

One thing I tried to do was go back to my Time Machine backup and restore PSE from several days before, when I knew it had worked fine.
Oh dear. You made a huge problem for yourself. You can never, never do that with PSE. PSE is not a nice tidy package in accordance with the apple developer guidelines. You must always reinstall from scratch if you need to reinstall. You broke PSE when you did that. Now you will need to download and run this:
http://helpx.adobe.com/creative-suite/kb/cs5-cleaner-tool-installation-problems.html
Then manually remove the PSE folder from applications and hunt around on your hard drive for the other bits that you can find. Look especially in your hard drive>library. Remove all of those, too, then reinstall from the original media.
You may think you have a slight problem now, but I guarantee you will have a HUGE problem soon if you don't do this.

Saving a Photoshop CC project from a Mac (in .PSD format) to a thumb drive and trying to transfer it to a Dell laptop with Photoshop CS6. Will not open...Error message: could not complete your request because it is not a valid photoshop document.

Saving a Photoshop CC project from a Mac (in .PSD format) to a thumb drive and trying to transfer it to a Dell laptop with Photoshop CS6. Will not open...Error message: could not complete your request because it is not a valid photoshop document.

The file was corrupted somewhere along the way (assuming it was still readable on the Macintosh).
The platforms don't matter, but you still need file transfer that doesn't corrupt files...

PSE 9.0 error: ".....not a valid photoshop document"

Platform is XP Pro...camera is Canon compact digital.
I downloaded photos to desktop folder. PSE allowed me to open the first 3 photos from the folder to edit, then I got the above error message.
However, when I right click on the photo in the desktopp folder to "open with Photoshop Elements" the PSE 9.0 editor opened all the photos.
WHY?
TIA,
Doc

I know this thread is a bit old, but I wanted to share my experience and solution in case anyone else runs into this.
The other day, I spent many hours editing some photos for a client. I saved them all and closed Photoshop. When I tried to open the .PSDs, they all came up with this "Not a valid Photoshop document" error. I was freaking out. I could see the thunmbnails and previews with the MacOS Finder and could see the images just fine in Lightroom, but couldn't open them in Photoshop CC.
Finally, I remembered that these were NOT supposed to be .psd files! They were supposed to be TIFFs. What happened was, when I edited them from within Lightroom into Photoshop, they opened as TIFFs. However, when I did "save as", I wanted to name them similarly to some other files I had. I clicked on one of the existing files to copy the file name in the Save As dialog to make it easier to name the new file I was saving, but I didn't realize it was changing the file extention from ".tif" to ".psd" as well. The older MacOS (version 9 and earlier) didn't rely on file extensions fo identifying file types, so it didn't hit me right away that this would be the problem. When I changed the incorrect .psd file extension to .tiff, the files opened in Photoshop just fine.
SO... if you run into this "Not a valid Photoshop document" error, try figuring out if it's actually another file type (.jpg, .tif, .png, etc) by either getting the file info from another program or just experimenting with different file extensions. Chances are good that your file isn't actually corrupt, but just named improperly!

"this is not a valid PDF file" message when creating a new document?

Every time i try and open a new document I get a message that says this is not a valid PDF file?
Has anyone else recieved this message?

Sorry, I am out of ideas. Unless anyone else can help I suggest you need to contact support directly. It’s usually possible to start a live chat, if an Adobe agent is free, and often to get problems fixed right away.
To get help now click here for product support

"Error: Could not complete your request because it is not a valid Photoshop document." How can I fix this on a mac?

I was working on a project and I closed it after saving and closed photoshop. Then later when I came to make another adjustment to my PSD I opened the file and it said "Could not complete your request because it is not a valid Photoshop document." How can I fix this? I didn't shut off my mac while saving it. Someone please help

Okay, I just talked to the person that originated the document.
When this usually happens to me, it's because I've done something stupid like saved a .jpeg as a .psd. So that's what I tried. I tried a few other extensions as well, so I thought that it was not an extension problem. Well, the originator told me it had originally been a TIFF, which was the ONE FILE EXTENSION I DIDN'T TRY. :\
Anyway, that fixed it. Usually this error indicates either a corrupt file or the wrong extension, just in case anyone ever digs this convo up later.

Document is not a valid PDF file

Hi,
I need help! Iøm trying to upload a visa paper using Adobe-Reader XI and when I upload, it keep saying "document is not a valid PDF file" - what to do now? Maliha

Are you sure that the document is a valid PDF file? Can you open it with Reader?

"...not a valid Photoshop document" error when opening Mac cc file on PC

I get a "Could not complete your request because it is not a valid Photoshop document." error message whenever I try to open up a PSD file created on a Mac using Photoshop CC on my PC using CC. Other people have been able to open the file from the same location, so the files aren't corrupted. Anyone know how to fix this?

I know this thread is a bit old, but I wanted to share my experience and solution in case anyone else runs into this.
The other day, I spent many hours editing some photos for a client. I saved them all and closed Photoshop. When I tried to open the .PSDs, they all came up with this "Not a valid Photoshop document" error. I was freaking out. I could see the thunmbnails and previews with the MacOS Finder and could see the images just fine in Lightroom, but couldn't open them in Photoshop CC.
Finally, I remembered that these were NOT supposed to be .psd files! They were supposed to be TIFFs. What happened was, when I edited them from within Lightroom into Photoshop, they opened as TIFFs. However, when I did "save as", I wanted to name them similarly to some other files I had. I clicked on one of the existing files to copy the file name in the Save As dialog to make it easier to name the new file I was saving, but I didn't realize it was changing the file extention from ".tif" to ".psd" as well. The older MacOS (version 9 and earlier) didn't rely on file extensions fo identifying file types, so it didn't hit me right away that this would be the problem. When I changed the incorrect .psd file extension to .tiff, the files opened in Photoshop just fine.
SO... if you run into this "Not a valid Photoshop document" error, try figuring out if it's actually another file type (.jpg, .tif, .png, etc) by either getting the file info from another program or just experimenting with different file extensions. Chances are good that your file isn't actually corrupt, but just named improperly!

"Could not complete your request because it is not a valid Photoshop document." Error

Hey,
I've been getting the "Could not complete your request because it is not a valid Photoshop document." error in one of my PSDs.
Here are just some notes:
The original file type is .psd, not a tiff whatsoever, and the file extension is purely myfilename.psd, not other random weird name
PSD file (in case you need it): https://www.mediafire.com/?1xkz2aki87p3kqc
I did not update my Photoshop or anything
It'd be great if solutions were suggested, I need this PSD file recovered desperately for a project.
Thanks

Very well. Try this with your Mac:
Open "new.psd" in Preview
File > Save
new.psd becomes new.png If the extension was correct, Preview would not have changed it.
it now opens in Photoshop You can download it here. ("Save image As...)
Simply put, you had the wrong extension.

Could not complete your request because it is not a valid photoshop document why this error coming p

could not complete your request because it is not a valid photoshop document why this error coming photoshop cs5

Thanks for clarifying.
My bad. I thought you had an even older Mac Pro1,1 like mine, which will not run Mountain Lion. I should have payed closer attention to your RAM specs.

Adobe photoshop CS6.Receiving the error "could not complete your request because it is not a valid photoshop document? Tried renaming the files and had working psd files and now all psd files will not open and getting the error listed. Anyone help please?

Could not complete your request because it is not a valid photoshop document. Tried renaming the file extensions and still no luck.

Nobody can tell you anything without proper system info or other technical details.
Mylenium

File is not a valid freehand document

Hi
I need help! I am a Freehand 9 user using Window 200, 256MB
Ram. At times i have a problem of not being able to open the
freehand file that i save. The error code is "Could not convert the
document because the file is not a valid freehand document ".
I have tried using Freehand MX to open but the same error
code appear too.
Was the file corrupted ? How can i prevent this thing again?
Cheers
Bwlim

In Windows I believe you have to have the 3 letter extension
on the end for it to be recognized?
For Freehand 9 that would be .fh9
Other than that, the document may be corrupt.

Error - "not a valid pdf document. it cannot be opened"

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