When trying to open specific content, the following error message appears blocking access to the PDF file: There is a problem with Adobe Acrobat/Reader. If it is running, please exit and try again. (error 0:104) A user explains: A similar error message reads: There is a problem with adobe acrobat/reader. If it is running, please exit and try again. (error 0:521) 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 fix the There is a problem with Adobe Acrobat/Reader error?

1. Reinstall Adobe Acrobat Reader

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 bug fixes 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.

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. 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. ⇒ Get Opera

3. Change Adobe security settings

4. Activate Acrobat Reader add-on

5. Remove all previous Acrobat Reader versions

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.

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