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Adobe Acrobat DC has encountered an unknown error.

New Here ,
May 01, 2017

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Receive this error when trying to Edit PDF's.

Adobe Acrobat DC Pro is set as default.

Using Windows 10 and 7, same error.

Have ran updates and repairs on the program.

Solved this issue.

We were opening older versions of Adobe PDF's, which threw the error.

Going into Tools/Optimize/and change the compatibility setting.

Hopefully this can help others with the same error.

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Edit and convert PDFs

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Adobe Acrobat DC has encountered an unknown error.

New Here ,
May 01, 2017

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Receive this error when trying to Edit PDF's.

Adobe Acrobat DC Pro is set as default.

Using Windows 10 and 7, same error.

Have ran updates and repairs on the program.

Solved this issue.

We were opening older versions of Adobe PDF's, which threw the error.

Going into Tools/Optimize/and change the compatibility setting.

Hopefully this can help others with the same error.

Topics

Edit and convert PDFs

Views

23.8K

Likes

Translate

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Report

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Be kind and respectful, give credit to the original source of content, and search for duplicates before posting. Learn more
New Here ,
May 10, 2017

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Solved this issue.

We were opening older versions of Adobe PDF's, which threw the error.

Going into Tools/Optimize/and change the compatibility setting.

Hopefully this can help others with the same error.

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New Here ,
May 16, 2017

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We are experiencing the same problem here - However, I did change the settings, but it did not correct the problem.  We are all on the Cloud version of Adobe, so it's the latest update.

What version setting doe it need to be modified to?

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New Here ,
Jul 18, 2017

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What is the compatibility setting?

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New Here ,
Sep 06, 2017

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I have a long solution.....I opened the pdf file with Adobe, then export save as "word document". I open word document file, by the way its easier to edit in word, then safe it as a PDF file again and bam! now you can EDIT PDF in Adobe cathym88086221jeffd76614107​ P.S I tried the tools and configuring too, but it didn't work

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New Here ,
Oct 24, 2018

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This worked perfectly for me - thank you for sharing!

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New Here ,
Jul 18, 2017

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I downloaded Adobe Acrobat Pro DC and I keep getting an unknown error.  I have tried every instruction I can find on this error.  I am using Windows 7 Pro.  Please help ASAP

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New Here ,
Sep 25, 2018

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I kept having this problem and found a solution myself. I assumed it had to do something with the compatibility settings for the original document so I opened that document in a freebie PDF editor that has very little capability but it let me save the document to be compatible with PDF 1.5 and above. Once I've been opened that document back up in Adobe, everything was fine.

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New Here ,
Oct 16, 2018

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I just yesterday updated the Adobe DC app, now I can't edit pdf's because it throws an unknown error.  I deleted the app and reloaded it which did absolutely no good.  This app is worthless to me if I can't use the edit function. 

Note, before the update everything was going fine in Adobe DC. 

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New Here ,
Jan 17, 2019

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Yeah they upped the requirements of the Adobe PDF Format.

I downloaded a statement, wanted to edit it and it gave me the same useless error message.

I am on a Mac, opened the PDF in the Preview app and saved it as a PDF without changing anything within the document.

I opened it in Adobe CC again and now I can edit it. Looks like the Mac Preview app converted it into a newer PDF version.

I find it pretty disappointing from Adobe to just change the requirements for the PDF file in order to edit it. And the error message not giving any specific details is just as bad.

This is the exact reason why I hate subscriptions. They update their stuff without any regards to the paying enduser, as long as it fits in their vision.

At least with a proprietary license (which they don't offer anymore) you for one keep the copy forever and it doesn't suddenly updates itself and cripples your workflow.

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New Here ,
Jun 11, 2019

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Hi.  I've been having the same issue.  Is there any solution to usuing Acrobat DC?  If not, how to I download an older version?

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Community Beginner ,
Jun 14, 2019

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Screen Shot 2019-06-14 at 10.58.54 PM.png

Yes there is a solution and here it is (in Mac):

First open your pdf document in acrobat DC. (obviously it should not be signed document which prevents it from being editable)

Once you open your document you will have the error the moment you click edit...Right?

What you need to do then is: EXPORT PDF from the tool tab.

it will give you options you need to click the link of "More Formats"

Then you choose: " Post Script", save it to your desktop or document folder.

Now close your PDF document and keep the acrobat DC open.

Click from the tool tab "Create PDF"

You will choose the file you just created with the extension .PS (stands for post script).

Once you do that you will have the PDF created, save it under a different name so you do not overwrite your original document.

Then open this new PDF in acrobat DC and VOILA ....YOu will be able to edit it.

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New Here ,
Jul 27, 2020

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I had the same error message: "Unknown Error". I would click through it and eventually it would say "Out of Memory". Tried all the tricks found on the message boards, like deleting the temporary files. I ended up having to uninstall Adobe Acrobat DC Pro and reinstalling. 

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