[Solved] Couldn’t load plugin on Chrome error

Milan Stanojevic
by Milan Stanojevic
Deputy Editor
Last update:
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  • If you stumble across the Couldn't load plugin error in Chrome, it might be caused by an obsolete Flash extension.
  • Also, you can see the pop-up Couldn't load plugin for a PDF extension in Chrome on Windows 10.
  • In the first case, take into consideration that Flash is no longer supported on Chrome.
  • As for the PDF plugin, you might have to tweak some Adobe settings.
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Chrome and many other web browsers rely on plugins in order to work properly, but sometimes certain issues with plugins can appear. According to users, Couldn’t load plugin error appears in Chrome on Windows 10.

Most often, the error is caused by either the obsolete Flash plugin or by the PDF plugin. So here, we’ll be looking into solutions for these two.

Note: The Couldn’t load plugin (PDF) in Chrome on a Mac is equally frequent. Follow the same solutions as on Windows 10.


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What can I do if Google Chrome couldn’t load plugin?

Couldn’t load Flash plugin

1. Disable Flash plugin completely

remove flash from chrome

As you might have heard, Flash is no longer supported by major browsers. Many video streaming services such as YouTube switched completely to HTML5.

So insisting on using Flash can actually cause errors such as the mentioned one. So the right thing to do is to disable the plugin completely.

To do that, simply go to the plugin section in Chrome and disable all instances of Adobe Flash. This will disable Flash completely on all websites.

Furthermore, you can also remove any traces of Flash using a tool from the Microsoft Catalog.


2. Check the Enhanced Mitigation Toolkit settings

Check the Enhanced Mitigation Toolkit settings
  1. Go to the Enhanced Mitigation Toolkit directory and run the EMT application.
  2. When the EMT app opens, click the Configure apps button.
  3. Locate Chrome.exe in the App Name column. Uncheck SEHOP boxes next to Chrome.exe.
  4. Click OK and close EMT. Start Google Chrome again and check if the issue is resolved.

Couldn’t load PDF plugin

1. Change Adobe Reader settings

change adobe reader settings
  1. Open Adobe Reader and go to Edit.
  2. Select Preferences, then Internet.
  3. Locate Display PDF in browser option and enable it / disable it.
  4. Refresh the page that you’re trying to view in Chrome and check if the problem is resolved.

2. Check if the PDF plugin is enabled

chrome extensions
  1. In the address bar enter chrome://extensions and press Enter.
  2. When the list of plugins appears, click on Details.
  3. Locate the Chrome PDF Viewer and make sure that it’s enabled.
  4. If you see Adobe PDF Plug-In For Firefox and Netscape in the list of plugins, make sure that you disable it by clicking the Disable button next to the plugin name.

In addition to enabling the PDF plugin, you might want to check the Always allowed to run option next to Chrome PDF Viewer plugin.

This is helpful especially if you have several PDF plugins activated.


Couldn’t load plugin error in Chrome can prevent you from viewing certain content in Google Chrome, but as you can see, this problem can be fixed by using one of our solutions.

Let us know how it worked for you by reaching for the comments section below.

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Frequently Asked Questions

  • When you get this error in Chrome, it is usually caused by a PDF plugin. You should check out the program settings and change them.

  • Make sure the Chrome PDF Viewer and the Always allowed to run option next to it are enabled. Feel free to also check out these best Chrome extensions to view and edit PDFs online.

  • Sometimes, Chrome fails to load extensions. What you can do is try using a fresh copy of your browser. We’ve detailed more solutions in this guide.

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