Adobe error code 109 [Problem Reading This Document]

Matthew Adams
by Matthew Adams
Windows & Software Expert
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  • Seeing error 109 on your Adobe Reader can stop you from accessing your files, thus creating problems.
  • To fix this issue, updating the software is the first step to take.
  • For more comprehensive fix guides, don't forget to visit our Adobe Troubleshooting Hub.
  • In order to always have access to useful information, consider bookmarking our Windows Guides.
fix error 109 adobe reader
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How do I fix Adobe Reader error 109 on Windows 10?

  1. Install latest Adobe Reader
  2. Repair the PDF
  3. Open the PDF With Alternative Software
  4. Select the Repair Installation Option
  5. Don’t Open PDFs With the Adobe Acrobat DC Chrome Extension
  6. Download the PDF File Again

Some Adobe Reader users have stated that an Adobe Reader error 109 error message pops up when utilizing that software. The error message states: There was an error processing this page. There was a problem reading this document (109). Another type of error message is also this one: The document could not be saved. There was a problem reading this document (109).

Consequently, they can’t open PDF documents when that error message appears. The error can also block users from saving or printing PDFs. If that error message pops up for you in Adobe Reader or other Adobe software, check out some of the potential resolutions for it below.

1. Install latest Adobe Reader

Adobe reader error 109

Like any other good software, Adobe Reader receives constant updates, new functionalities, and bug fixes. All of them are delivered via software updates.

For example, an error 109 dialog box error is shown to have been fixed in a hotfix patch.

If this is your error or not, having the latest and greatest is a good idea. Did you know that, if a PDF file was created in a newer version of Adobe Acrobat Reader than the one you have installed, you might have trouble opening it? Another great idea to keep things updated.

We recommend you to download the latest version of Adobe Reader in order to be sure you have it all working.

Adobe Reader

Adobe Reader

Keep it updated to benefit from all the patches and bug fixes released by Adobe.

2. Repair the PDF

Error 109 can also be due to a corrupted PDF file. So fixing a corrupted PDF file might fix error 109. You can repair PDF files with the Stellar PDF Repair Tool.

Fix adobe 109 by repairing the pdf file with Stellar

The process is quite simple thanks to the easy to use interface. Open Stellar and add your pdf file.

You could also add multiple files since batch processing is available.

With the file(s) selected, click on the Repair button to start the process. After that, you can see a preview of the repaired file(s). If everything is ok, save the new file(s) and you are done.

Open them with Adobe Reader and the error is no more.

Stellar Repair for PDF

Stellar Repair for PDF

Effective PDF repair software for damaged files. Fix Adobe Error 109 and other problems as well.
Free trial Visit website

3. Open the PDF With Alternative Software

Open PDFs with File Viewer Plus 3

If you’re sure the PDF is not in any way corrupted, try opening the document with alternative software. That might not really be a fix for error 109, but alternative PDF software might at least open the document.

With over 300 file types supported, we recommend using File Viewer Plus 3. Not only it will be able to open almost any kind of file you have on your computer, but you can also print and convert files from one format to another.

And if you might need to quickly edit a document or make small changes to a photo, you can do that right within this software. The latest version provides light and dark themes alongside the new user interface making it a joy to use it.

File Viewer Plus 3

File Viewer Plus 3

Looking for an universal file opener? There is no match for this powerful software.

4. Select the Repair Installation Option

Adobe Reader includes a Repair Installation option that might come in handy for fixing the error 109. That setting repairs the software’s installation files. Open Adobe Reader and click Help and Repair Adobe Reader Installation. Thereafter, restart Windows when Adobe notifies you to do so.

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5. Don’t Open PDFs With the Adobe Acrobat DC Chrome Extension

If you’re utilizing the Adobe Acrobat DC Chrome extension to open PDFs, save the PDF to a folder so you can open it with the Adobe Reader desktop software outside the browser.

Adobe’s browser extensions aren’t always as reliable as its standalone software for opening PDFs. A PDF will not open if there’s a corrupted browser plug-in.

6. Download the PDF File Again

It might be the case that there’s something up with the PDF file. If it didn’t download correctly (otherwise a partial download), the PDF might be corrupted. So, if you downloaded the PDF, download it again.

Those are a few resolutions that might fix the Adobe Reader error 109 issue. If you any other fix that fixed error 109 for you, feel free to share it below.

FAQ: Learn more about Adobe Reader

  • How do I get Adobe Reader?

You can easily get Adobe Reader by clicking the link in the first solution of this guide.

  • What is the difference between Adobe Acrobat and Reader?

Adobe Reader is a free app that allows you just to open PDF files, while Adobe Acrobat has some more features available and is not free.

  • Do I need Adobe Reader on my computer?

It is recommended to have Adobe Reader on your PC, as you might need it to open a PDF file at some point.

Editor's Note: This article was originally published in August 2018 and was revamped and updated in December 2020 for freshness, accuracy, and comprehensiveness.
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