What is TrustCheckerIEPlugin.dll?

TrustCheckerIEPlugin.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 ZoneAlarm Browser Security.

Click to Run a Free Scan for TrustCheckerIEPlugin.dll related errors

TrustCheckerIEPlugin.dll file information

The process known as ZoneAlarm Browser Security or ZoneAlarm ForceField or ZoneAlarm Toolbar belongs to software ZoneAlarm Toolbar or ZoneAlarm Browser Security or ZoneAlarm ForceField by Check Point Software Technologies (

Description: TrustCheckerIEPlugin.dll is not essential for the Windows OS and causes relatively few problems. The file TrustCheckerIEPlugin.dll is located in a subfolder of "C:\Program Files". Known file sizes on Windows 10/8/7/XP are 603,816 bytes (29% of all occurrences), 599,680 bytes and 11 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 8A4A36C2-0535-4D2C-BD3D-496CB7EED6E3. The program is not visible. It is a Verisign signed file. TrustCheckerIEPlugin.dll is able to monitor web browsers. The TrustCheckerIEPlugin.dll file is certified by a trustworthy company. TrustCheckerIEPlugin.dll is not a Windows core file. TrustCheckerIEPlugin.dll is able to monitor applications. Therefore the technical security rating is 30% dangerous, however you should also read the user reviews.

Uninstalling this variant: If you have any problems with TrustCheckerIEPlugin.dll, you can uninstall ZoneAlarm Toolbar or ZoneAlarm Browser Security from your computer using the Control Panel applet Uninstall a Program or contact to assist you.

Recommended: Identify TrustCheckerIEPlugin.dll related errors

Important: Some malware camouflages itself as TrustCheckerIEPlugin.dll, particularly when located in the C:\Windows or C:\Windows\System32 folder. Therefore, you should check the TrustCheckerIEPlugin.dll process on your PC to see if it is a threat. If ZoneAlarm Browser Security 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

das es von Zonealarm benötigt wird! leider kein link gefunden der dies Bestädigt, zonealarm sollte mal für klarheit schaffen, was den prozess angehet!!
If you want heuristics to work, keep this dll loaded.
all attempts to remove it have been unsucessful

Summary: Average user rating of TrustCheckerIEPlugin.dll: based on 2 votes with 3 user comments. One user thinks TrustCheckerIEPlugin.dll is essential for Windows or an installed application. One user thinks it's probably harmless. One user is not sure about it.

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Best practices for resolving TrustCheckerIEPlugin issues

The following programs have also been shown useful for a deeper analysis: ASecurity Task Manager examines the active TrustCheckerIEPlugin process on your computer and clearly tells you what it is doing. Malwarebytes' well-known Banti-malware tool tells you if the TrustCheckerIEPlugin.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

TrustCheckerIEPlugin.dll [all]