FIX: There was a problem with Adobe Acrobat Reader

Madalina Dinita
by Madalina Dinita
Former Managing Editor
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  • PDF files are very versatile, you can use them for a wide variety of purposes and on all kinds of devices.
  • To view and edit PDF files you need a dedicated software. Perhaps the most popular PDF tool is Adobe Acrobat Reader.
  • Many people complained about getting various Adobe Acrobat Reader errors when accessing PDF files on web browsers. This guide will show you how you can fix this problem for good.
  • This guide is part of our troubleshooting hub dedicated to browsers. Feel free to bookmark it in case you'll need it again.
troubleshoot Adobe Acrobat Reader problems
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Many people surfing the internet reported encountering various Adobe Acrobat Reader issues while trying to access PDF files on their Internet browsers.

When trying to open specific content, the error message There is a problem with Adobe Acrobat/Reader. If it is running, please exit and try again. (error 0:104) appears blocking access to the PDF file.

I get the same error message.  I’m able to open pdf‘s that are saved to my hard drive, but not directly from the internet. […]
when i use ie and view report (pdf) from browser  it shown error
“There is a problem with Adobe Acrobat /Reader. If it is running ,please exit and try again.(0:104)”

Fixing this issue requires a few Acrobat Reader or browser tweaks. We came up with a series of solutions that should help you to fix this problem.

How do I quickly fix Adobe Reader problems?

1. Reinstall Adobe Acrobat Reader

Adobe Reader

  1. Completely uninstall Adobe Acrobat Reader
  2. Download the latest version from the official website listed below
  3. Run the installer
  4. Add Adobe Acrobat to your Firewall and Malware Protection exceptions list

In order to protect yourself against security vulnerabilities and to ensure that your software is error-free, we recommend you keep your system up to date at all times.

This should become part of your maintenance regime and you should not ignore product updates as Adobe is always providing bugfixes and increasing product compatibility.

That being said, you should always download software from official sources or otherwise trusted websites. The link below will take you to the official Adobe website where you can download the Acrobat Reader.

 Download the latest Adobe Acrobat Reader

2. Consider using a  different web browser

Since most likely the problem occurred when you tried reading a PDF file from your browser, you might as well go for an alternative browser that doesn’t present such issues.

Opera is one such browser, and it is optimized for a number of activities, among which we can also mention PDF files.

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More so, the overall look and feel of Opera are extremely modern and lightweight, so it doesn’t matter if besides the PDF file you have an extra 20 tabs opened, you will not feel the RAM is all used up.

It is Chromium-based and features heavy extension support. This makes it increasingly customizable and frequently updated, making it an excellent web browser overall.



A fast and efficient web browser, a VPN, and a PDF reader, all available in a software package known as Opera.
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3. Change Adobe security settings

  1. Open Acrobat Reader > go to Edit > select Preferences…
  2. Go to the Security (Enhanced) tab > uncheck the box next to Enable Protected mode at startup > click OK
  3. Close Acrobat Reader and try to see if this fixed the browser issue.

4. Activate Acrobat Reader add-on

If you’re using an older version of Windows Explorer, you need to make the following changes:

  1. Open the Tools menu in IE > select Manage Add-ons
  2. Under the Add-ons type section, choose Toolbars and Extensions
  3. At the drop-down Show menu, select All add-ons
  4. Select Adobe PDF Reader from the list > choose Enable
  5. Click Close and check to see if it fixed the issue.

5. Remove all previous Acrobat Reader versions

  1. Open the Control Panel >Programsuninstall programs from control panel
  2. Under Programs and Features, select Uninstall a program
  3. Select each unused Acrobat Reader versions that you do not used > select Uninstall
  4. Make sure to leave only the Acrobat Reader option that you are currently using.

Now, if you don’t want to change your default browser, follow the troubleshooting steps listed above.

We hope that our guide helped you to fix the Adobe Acrobat Reader PDF issues you encountered on your browser.

If you liked this article, leave a comment in the comment section below.

FAQ: Learn more about Adobe Acrobat Reader

  • Can I get Adobe Acrobat for free?

You can download and install Adobe Acrobat on your computer for free. You don’t need to pay any subscription to use the complete list of features. Use the download link from our guide on fixing Adobe Reader.

  • Is Adobe Acrobat Reader DC the same as Adobe Reader?

Adobe Reader is the simple version of Acrobat. Adobe Reader DC adds Document Cloud capabilities allowing users to sync their PDF documents and files across all their devices.

  • Do I need Adobe Reader on my computer?

If you upgraded to Windows 10, you don’t need to install Adobe Acrobat Reader on your computer. Windows 10’s built-in browser, Chromium Edge features PDF support. Learn how to open PDF in Edge


Editor’s Note: This post was originally published in April 2020 and has been since revamped and updated in July 2020 for freshness, accuracy, and comprehensiveness.

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Editor's Note: This article was originally published in May 2019 and was revamped and updated in July 2020 for freshness, accuracy, and comprehensiveness.
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