What is iec.dll?

Iec.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 Internet Explorer Controller.

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Iec.dll file information

The process known as Internet Explorer Controller belongs to software Powermarks by Kaylon Technologies by Kaylon Technologies.

Description: Iec.dll is not essential for the Windows OS and causes relatively few problems. Iec.dll is located in a subfolder of "C:\Program Files". The file size on Windows 10/8/7/XP is 13,824 bytes. 
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 6172E460-FAE3-11D2-B494-004005A47AAA. The program has no visible window. Iec.dll is able to monitor web browsers. Iec.dll is not a Windows core file. The application can be uninstalled in the Control Panel. Therefore the technical security rating is 46% dangerous, however you should also read the user reviews.

Uninstalling this variant: It is possible to uninstall Powermarks software via Windows Control Panel/Add or Remove Programs (Windows XP) or Programs and Features (Windows 10/8/7).

Recommended: Identify iec.dll related errors

External information from Tony Klein:

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

Bookmark program that updates status of sites you enter into it hence the occasional internet activity when it checks site status
Powermarks can also hook into IE as a BHO.
  HSH Associates   (further information)
powermarks was an incredible bookmark manager, but as far as i knows, it's no longer available nor supported; so unless people like me had thousands of research urls stored there, probably no longer needed
  MaryChristine Seeley  

Summary: Average user rating of iec.dll: based on 5 votes with 3 user comments. 5 users think iec.dll is essential for Windows or an installed application.

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Best practices for resolving iec issues

The following programs have also been shown useful for a deeper analysis: Security Task Manager examines the active iec process on your computer and clearly tells you what it is doing. Malwarebytes' well-known anti-malware tool tells you if the iec.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 cleanmgr and sfc /scannow, uninstalling programs that you no longer need, checking for Autostart programs (using msconfig) and enabling Windows' Automatic 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 resmon 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 DISM.exe /Online /Cleanup-image /Restorehealth command. This allows you to repair the operating system without losing data.

Other processes

iec.dll [all]