Invalid Plugin Detected: How to Fix This Adobe Acrobat Error

This error is often triggered by corrupt Adobe Acrobat app files

by Henderson Jayden Harper
Henderson Jayden Harper
Henderson Jayden Harper
Passionate about technology, Crypto, software, Windows, and everything computer-related, he spends most of his time developing new skills and learning more about the tech world. He also enjoys... read more
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Alex Serban
Alex Serban
Windows Server & Networking Expert
After moving away from the corporate work-style, Alex has found rewards in a lifestyle of constant analysis, team coordination and pestering his colleagues. Holding an MCSA Windows Server... read more
Affiliate Disclosure
  • The Invalid plugin detected error in Adobe Acrobat prevents the app from functioning correctly.
  • Note that it can occur due to third-party app interference.
  • Updating Adobe Reader and uninstalling the Babylon translation tool can fix the error, so refer to our procedures. 
adobe acrobat invalid plugin detected

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Adobe Acrobat is one of the best apps for opening and reading PDF files, and it is available for various operating systems. Lately, users report an error message they encounter when launching Adobe Acrobat Invalid plugin detected. It can sometimes prevent the app from launching.

Also, users complain about the Adobe Acrobat Readers DC not responding on their PC.

What does Invalid Plugin detected mean?

Many plugins and programs on your PC can cause problems with other apps. It can indicate that the services of two programs conflict with each other, resulting in errors.

However, running into the Invalid plugin detected, Adobe Reader DC will quit error on Windows 11 means the process of another program installed on your computer is impeding Adobe Reader from launching.

Also, it may indicate that Adobe is having issues with some of its components.

Why do I get the Invalid plugin detected error?

The Invalid plugin detected error popping up when launching Adobe Acrobat can be due to some factors other than issues with other programs on the PC. Some of these factors are:

  • Corrupt app files – When essential Adobe Reader installation files are missing or corrupt, it can cause the app to run into errors. It can prevent it from launching or cause Adobe Acrobat internal error to occur.
  • Third-party app interference – Other apps similar to Adobe Reader on your PC can cause the Invalid plugin detected error to appear. They can block the activities of Adobe, and cause problems in the Adobe Acrobat app.
  • Outdated Adobe Acrobat software – Not keeping the Adobe Acrobat software up-to-date indicates that it can’t access updates and patches to fix bugs and improve its performance. Also, it can cause version incompatibility.

Other factors not mentioned above can cause the error. Nonetheless, we’ll take you through some easy steps to fix it and get Adobe working again.

How can I fix the Invalid plugin detected error?

Before proceeding with any advanced troubleshooting steps, try the following:

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If Adobe Reader still prompts the error, try the solutions below.

1. End task for Adobe Acrobat Reader on your computer

  1. Right-click the Start button and select Task Manager from the menu.
  2. Go to the Processes tab. Click on the Adobe Reader app from the list, right-click on it, and click End task from the drop-down menu.
  3. Restart your computer and launch Adobe Reader to check if the error persists.

Ending tasks for the Adobe Reader app on your PC will stop any background process interfering with its functionality. You can check for shortcuts to open Task Manager on your computer.

2. Update the Adobe Reader client

  1. Launch Adobe Reader or Acrobat app on your PC.
  2. Click on Help, then click on the Check for Updates link.
  3. Follow the steps in the Updater window to download and install the latest updates.
  4. After the update is complete, restart Adobe Reader and check if the error persists.

Updating Adobe Reader or Acrobat will fix any bug in the previous version that can cause the error. Also, it will add new features to improve performance.

3. Perform a clean boot

  1. Press Windows + R key to open the Run dialog box, type msconfig, and click OK.
  2. Go to the Services tab and check the box for the Hide all Microsoft services option, and then click the Disable all button.
  3. Go to the Startup tab and click Open Task Manager.
  4. Click on the startup programs and tap the Disable button.
  5. Restart your PC and check if the Adobe Reader error persists.

Performing a clean boot will prevent all startup running programs that can cause the error from running when you start the system.

4. Remove the ComposerPlayerControl.dll file

  1. Press Windows + E to open File Explorer.
  2. Go to This PC and navigate to: C:\Program Files (x86)\Adobe\Acrobat Reader DC\Reader\plug_ins
  3. Find and right-click on the ComposerPlayerControl.dll file, then select delete from the drop-down.

The ComposerPlayerControl.dll file is known to be a culprit causing issues in the installation file. So, uninstalling it can resolve the error. If the File Explorer sidebar is missing on Windows 11, you may not gain access to This PC.

5. Uninstall the Babylon translation tool

  1. Press Windows + R keys to open the Run window, type appwiz.cpl and click OK.
  2. Find the Babylon translation tool and click Uninstall.
  3. Confirm your action and wait for it to complete. Then restart your PC.

Uninstalling the Babylon translation tool can fix the error. The Babylon translation tool is a common program that causes issues with Adobe. They conflict when they are installed together on the same PC.

Further, our readers can check our guide on how to fix Adobe Reader not installing on Windows 11.

In conclusion, these steps will help troubleshoot invalid plugin detected in Adobe Acrobat. Should you have more questions or suggestions, kindly drop them below.

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If the advices above haven't solved your issue, your PC may experience deeper Windows problems. We recommend downloading this PC Repair tool (rated Great on to easily address them. After installation, simply click the Start Scan button and then press on Repair All.

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