What is FBStoolbar.dll?

FBStoolbar.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 IE Toolbar Engine.

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

FBStoolbar.dll file information

The process known as IE Toolbar Engine belongs to software Fast Browser Search or IE Toolbar by Make The Web Better (

Description: FBStoolbar.dll is not essential for the Windows OS and causes relatively few problems. FBStoolbar.dll is located in a subfolder of "C:\Program Files". Known file sizes on Windows 10/8/7/XP are 2,602,368 bytes (52% of all occurrences), 2,436,096 bytes or 2,443,264 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 FCBCCB87-9224-4B8D-B117-F56D924BEB18. The program has no visible window. The FBStoolbar.dll file is able to monitor web browsers. It is not a Windows system file. FBStoolbar.dll is a Verisign signed file. The file has a digital signature. FBStoolbar.dll is able to record keyboard and mouse inputs, monitor applications and manipulate other programs. Therefore the technical security rating is 45% dangerous.

Uninstalling this variant: You can uninstall the program Fast Browser Search, or ask the software vendor for support. Click on Fast Browser Search in Windows Control Panel (Software or Programs section) to uninstall it.

Recommended: Identify FBStoolbar.dll related errors

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


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Best practices for resolving FBStoolbar issues

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

FBStoolbar.dll [all]