Answer
Foxit IE Browser Plugin is an NPAPI plugin designed for old stylish web browsers. It only works on the Internet Explorer (IE) web browser.
This plugin will be installed together with the Foxit PDF Editor/Reader by default. Below are the solutions to disable or remove this plugin from your Foxit PDF Editor.
Solution 1: Disable the Browser Plugin
1. Open Foxit PDF Editor/Reader.
2.Go to "File">"Preferences">"File Associations">"Advanced"
3. Uncheck "Include browser when setting default PDF viewer", then click OK to close the Advanced dialog.
4. Click "Make Default PDF Viewer", and click OK to finish it.
Solution 2: Remove the Browser Plugin by uninstalling or modifying
Uninstall or modify the current Foxit Editor/Reader. Then, re-install or change without the Foxit IE Browser Plugin. See below the detailed steps:
1. Uninstall or modify (change) the Foxit Editor/Reader.
2. Open the Foxit PDF Editor Setup.
3. Select Custom Setup, and then under the "PDF Viewer"->" IE Browser Plugin", select "Entire feature will be unavailable". See the screenshot below:
4. Click Next to finish the installation.
Solution 3: For the Enterprise customer's IT Team, Customize the Installation package with the IE Browser Plugin removed.
Using the Foxit Customization Wizard ( https://kb.foxit.com/hc/en-us/articles/4411778555156), you can customize the Foxit package to what you need, including removing the IE browser plugin. Below are the steps:
0. (Optional) If a Foxit Editor with IE Plugin is installed, the system admin needs to remove the existing Foxit Editor before deploying the new customized Foxit Editor.
1. Download and open the FCW and the MSI package you want to customize.
2. Go to "Installation Options" and uncheck the "Show PDF files in IE Browsers." See below:
3. Go to "Features," expand "IE Browser Plugin" under "PDF Viewer," then select "Entire feature will be unavailable." See below:
4. Go to "Preferences," select "File Association," then select "Disabled" for the "Web Browser PDF Viewer," See below.
5. Save the configuration to an MST file, and then deploy it together with the MSI installation package.