What is ie_content_blocker_plugin.dll?

Ie_content_blocker_plugin.dll is a browser extension for Internet Explorer. This add-on enables several additional functions for Internet Explorer. You can disable it through the Extras menu (key combination Alt + X) under Manage Add-ons. The following paragraph provides more information about Content Blocker Plugin.

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Ie_content_blocker_plugin.dll file information

The process known as Content Blocker Plugin belongs to software Kaspersky Anti-Virus (version 2013) or Kaspersky Internet Security (version 2013, 2014) by Kaspersky Lab ZAO (

Description: Ie_content_blocker_plugin.dll is not essential for the Windows OS and causes relatively few problems. Ie_content_blocker_plugin.dll is located in a subfolder of "C:\Program Files". Known file sizes on Windows 10/8/7/XP are 655,040 bytes (47% of all occurrences), 544,448 bytes and 9 more variants. 
This .dll file is a Browser Helper Object (BHO) that runs automatically every time you start your web browser. BHOs are not stopped by personal firewalls, because they are identified by the firewall as part of the browser itself. BHOs are often used by adware and spyware. IDs used by this BHO include 5564CC73-EFA7-4CBF-918A-5CF7FBBFFF4F. The program has no visible window. The ie_content_blocker_plugin.dll file is able to monitor web browsers. It is not a Windows system file. Ie_content_blocker_plugin.dll is digitally signed. Therefore the technical security rating is 47% dangerous; however you should also read the user reviews.

Uninstalling this variant: You can uninstall Kaspersky Internet Security or Kaspersky PURE, update it, or get help from the software vendor. Click on or to update it, click on for support, or click on Kaspersky Internet Security or Kaspersky PURE in Windows Control Panel (Software or Programs category) to uninstall it.

Recommended: Identify ie_content_blocker_plugin.dll related errors

Important: Some malware camouflages itself as ie_content_blocker_plugin.dll, particularly when located in the C:\Windows or C:\Windows\System32 folder. Therefore, you should check the ie_content_blocker_plugin.dll process on your PC to see if it is a threat. If Content Blocker Plugin has changed your browser's search engine and start page, you can recover your browser's default settings as follows:

Reset default browser settings for Internet-Explorer ▾
  1. In Internet Explorer, press the key combination Alt + X to open the Tools menu.
  2. Click Internet options.
  3. Click the Advanced tab.
  4. Click the Reset... button.
  5. Enable the Delete personal settings option.
This will reset your Internet Explorer to its default settings. Your browser will start with the familiar start page and search engine—without popups, ads, cookies, but all browser add-ons are deleted too [1]. Make cleaning up your browser and your computer simpler and safer with Security Task Manager.


User Comments

All I know is: Now and then a PC window advise that the C.B.Plugin delays the PC 0,14 s.And ask me if I want desactive the plugin to accelerates the PC.
  Vicente Leite Victorino  

One user is not sure about it.

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Best practices for resolving ie_content_blocker_plugin issues

The following programs have also been shown useful for a deeper analysis: ASecurity Task Manager examines the active ie_content_blocker_plugin process on your computer and clearly tells you what it is doing. Malwarebytes' well-known Banti-malware tool tells you if the ie_content_blocker_plugin.dll on your computer displays annoying ads, slowing it down. This type of unwanted adware program is not considered by some antivirus software to be a virus and is therefore not marked for cleanup.

A clean and tidy computer is the key requirement for avoiding PC trouble. This means running a scan for malware, cleaning your hard drive using 1cleanmgr and 2sfc /scannow, 3uninstalling programs that you no longer need, checking for Autostart programs (using 4msconfig) and enabling Windows' 5Automatic Update. Always remember to perform periodic backups, or at least to set restore points.

Should you experience an actual problem, try to recall the last thing you did, or the last thing you installed before the problem appeared for the first time. Use the 6resmon command to identify the processes that are causing your problem. Even for serious problems, rather than reinstalling Windows, you are better off repairing of your installation or, for Windows 8 and later versions, executing the 7DISM.exe /Online /Cleanup-image /Restorehealth command. This allows you to repair the operating system without losing data.

Other processes

ie_content_blocker_plugin.dll [all]