What is kttoolbar.dll?

Kttoolbar.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 klickTel Toolbar.

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

Kttoolbar.dll file information

The process known as klickTel Toolbar belongs to software unknown by klickTel AG ( or klickTel GmbH (

Description: Kttoolbar.dll is not essential for the Windows OS and causes relatively few problems. Kttoolbar.dll is located in a subfolder of "C:\Program Files". Known file sizes on Windows 10/8/7/XP are 1,402,368 bytes (81% of all occurrences), 1,496,064 bytes or 2,406,912 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 FFFFFFA2-C40D-475D-8C91-9A9876ACFCDD. There is no description of the program. The program is not visible. The file is able to change the behavior of, or monitor Internet Explorer. The service has no detailed description. The file is not a Windows core file. You can uninstall this program in the Control Panel. Kttoolbar.dll is able to connect to the Internet, record keyboard and mouse inputs and manipulate other programs. Therefore the technical security rating is 57% dangerous, however you should also read the user reviews.

Uninstalling this variant: You can uninstall the program klickTel Toolbar, update it, or try to get help from the software vendor. Click on to update it, click on to visit the vendor's website, or click on klickTel Toolbar in Windows Control Panel (section Software or Programs) to uninstall it.

Recommended: Identify kttoolbar.dll related errors

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

gehört zum Programm KlickTel das Telefonbuch. Harmlos
  klausi   (further information)

Summary: Average user rating of kttoolbar.dll: based on 3 votes with 1 user comment. 2 users think kttoolbar.dll is essential for Windows or an installed application. One user suspects danger.

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Best practices for resolving kttoolbar issues

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

kttoolbar.dll [all]