Resolve Adobe Reader Error 129 With Easy Tricks

Most of the time, due to the corrupt or damaged system files, Adobe Reader error 129 can pop up on the screen. 

Sometimes, you might notice this technical flaw when there is a problem with the downloaded PDF file. In addition, third-party security software can also lead to this technical glitch.

No matter what might be the reason is, if you are suffering from this problem, then you have just arrived at the right article. 

Here, we will make you aware of all the effective fixing techniques that you can attempt to eradicate the issue within a flicker of time.

Reliable Solutions to Fix Adobe Reader Error 129:

If you encounter the Adobe Reader error 129 on your computer, then at first, you need to restart your computer. 

Sometimes, rebooting the system can also bring the required solution for you so, do the needful.

After that, open the Adobe Reader application and check out if the error code still persists on the LED screen. 

In case, the flaw still irritates you, then try the undermentioned solutions one-by-one.

Solution 1- Turn off the Windows Firewall

This is one of the trustworthy solutions to get rid of the problem. A recent survey has proved that sometimes Windows Firewall can block the Adobe Reader application from opening.

In such a scenario, you have to disable the Windows Firewall. To implement this task, go through the given steps.

Step 1

Firstly, you have to press the Windows and S key simultaneously on the keyboard to open the Search box. Then, type ‘Control Panel’ in the given field and press the Enter key. 

Step 2

When the Control Panel window opens, then move to the System and Security part. Under this part, you should drop down and double click on the Windows Firewall option to open it.

Step 3

Within the Windows Firewall, move to the left panel of the page and choose the Turn Windows Defender Firewall On and Off option.

Then, click on the Turn off Windows Firewall and select the Ok button to save the changes. Once done, then restart your PC and if you see the problem again, then proceed to the next solution.

Solution 2- Remove and Reinstall the Adobe Reader Application

If solution 1 does not work for you, then we advise you to remove and reinstall the Adobe Reader application. 

For that, first of all, you need to press and hold down the Windows and X keys together to launch the Win X menu. After that, choose the Settings menu from the available option.

Within the Settings window, navigate to the Apps and Feature section. Here, you can see the Adobe Reader application and thereafter, tap on the Uninstall button.

Now, the uninstall process will begin. Once finished, then reboot your system and install it again from the official website.

For that, first, go to the official website and after that, download the Adobe Reader application.

Once done, then restart your machine and check whether if the Adobe Reader application works properly or not.

Solution 3- Repair the Adobe Reader Application

You can also follow this solution to remove the error code. Here are the steps that need to follow to apply this solution on your system.

  1. At first, double click on the Adobe Reader application and open it. 
  1. Once the Adobe Reader application opens, then, navigate to the Help section.
  1. Within the Help section, you have to choose the Repair Adobe Installation button. 

Once, the installation process gets over, then reboot your system and if you are still getting the Adobe Reader error 129, then try out the next solution.

Solution 4- Use the Command Prompt

In case, the above three solutions are not workable for you, then by using the Command Prompt, you can fix the problem. To perform this task, take a look below.

Step 1

The first thing that you need to do is to type ‘cmd’ in the Search field and press the Ok key. It will open a Command Prompt window. 

After that, right-click on the Command Prompt and select Run as Administrator option.

Step 2

Within the Command Prompt window, type ‘SFC/scannow’ and hit the Ok key to execute the command. 

Once it is run, then simply reboot your machine. If you are still dealing with this issue, then have a look at the next resolving technique.

Solution 5- Upgrade OS to it’s Latest Version

By updating the Operating System to its latest version, you can easily resolve the problem. Here is how to do it.

How to Update the Operating System?

At first, press and hold the Windows along with the I key to open the Settings window.

Alternatively, you can visit the Search field and type ‘settings’ within the available field and hit the Ok key.

When the Settings page opens, then move to the Update and Security tab. After that, click on the Update section.

Now, a page will show on the display. Here, you need to drop down and check the dialog box beside the Check for Update option.

In case, any available update is there, then tap on the Update button.

You have to wait for sometimes as depending on the file size, the updating process might take some time. 

Once finished, then reboot your system and if you still have an issue with this error code, then move to the next solution.

Solution 6- Remove the Third-Party Security Software

After applying all the above solutions if the Adobe Reader error 129 still persists, then just remove the third-party security software from your device. To do so, follow the given directions.

Step 1

In the beginning, go to the Search field and type ‘control panel’ and thereafter press the Enter key.

Alternatively, you can press the Windows and R keys together to open the Run dialog box. Now, type ‘control panel’ in the dialog box and press the Ok key.

Step 2

After that, navigate to the Programs and Feature section. Under this part, tap on the Uninstall program.

Here, you can see the third-party antivirus application which is installed on your device.

Step 3

Select it and after that, click on the Uninstall button. Once done, then again restart your machine and now you will surely overcome the problem.

Parting Words

That’s it. We hope these solutions are sufficient enough to fix the Adobe Reader error 129. If you have any further queries, then drop a comment in the comment section and we will try to resolve your queries as early as possible.