We have already discussed about many errors regarding PDF files, like: recovery, password protection, converting files to other formats, etc. Today I am going to explain about the most common errors of PDF files when tried to open. You may have already seen these types of errors before.

Sometimes, you must have faced problems with a PDF file which doesn’t open with Adobe Reader in Windows OS, but some files can be opened. Below, I have described some of the most common errors while opening PDF files on Windows OS:

1. “There was an error opening this document. Access denied”

Symptom: The error, mostly comes in Adobe Reader v10.1. The issue was fixed in the v10.1.

Resolution: This error was resolved in v10.1 and the current version is 11. The best solution to resolve this error is to update Adobe Reader.

Step by Step Solution:

I. Open Adobe Acrobat Reader XI
II. Go to Edit >> Preferences…
III. Click on “Security (Enhanced)” on the Left side panel
IV. Uncheck “Enable Enhanced Security”
V. Click Yes in the prompted dialog box
VI. Then click OK to save the changes and exit Adobe Acrobat XI.

2. “The Adobe Acrobat/Reader that is running cannot be used to view PDF files in a web browser”

Issue: Sometimes you may have seen the following error message "The Adobe Acrobat/Reader that is running cannot be used to view PDF files in a web browser. Adobe Acrobat or Reader version 8 / 9 is required. Please exit and try again." while viewing a PDF file in a browser.

Reason: This error can appear when the folder, which contains Adobe Reader or Adobe Acrobat, or one of its folder or sub-folder has been; renamed or moved, or Adobe Acrobat or Reader has otherwise become confused which exact application to use as a helping application within the browser.


Solution 1: Repair the Adobe Acrobat or Reader installation.

Repair the current installation by following one of the below steps:

• To Repair Adobe Acrobat or Reader Go to Help >> Repair Acrobat Installation.

• Go to the Windows Add/Remove Control Panel, choose Adobe Acrobat or Reader and select Change.

In both the above cases, the setup wizard will allow you to repair the current installed Acrobat/Reader application.

Solution 2: Make sure all previous versions of Adobe Acrobat and Adobe Reader are removed from your PC.

If you have installed any previous version of Adobe Acrobat or Acrobat on your system, then remove it from your PC. After that, download & reinstall the Acrobat.

Make sure you must have admin privileges to complete these steps.

• Do one of the following below, depending on the version of Windows:
• (Windows 7) Go to >> Start >> Control Panel >> Programs >> Programs And Features.

• (Windows Vista) Go to >> Control Panel >> Programs > Programs And Features.
• (Windows XP) Go to >> Start >> Control Panel, and double-click on Add Or Remove Programs.
1. Select Adobe Acrobat or Reader, and click the option to remove or uninstall the program.
2. Repeat the steps for all installed versions of the software.
3. Restart your computer and reinstall Adobe Acrobat or Reader.

Conclusion: Above, I have mentioned 2 of the most common errors which take place while opening PDF documents. Share your error if you found any and I will write on that topic.