What is ActiveToolBand.dll?

The genuine ActiveToolBand.dll file is a software component of Acer eDataSecurity Management by Acer.
ActiveToolBand.dll is a DLL (Dynamic Link Library) file that works as a BHO (browser helper object) for the Acer eDataSecurity Management program, a personal data encryption and decryption software. DLL files store data, code and resources needed by one or more programs in order to function correctly. A BHO generally adds more functionality to a web browser. This file supports the Acer eDataSecurity Management Toolbar for Internet Explorer. This is not a critical Windows component and should be removed if known to cause problems. Acer eDataSecurity Management lets users encrypt and then decrypt confidential data straight from the right-click menu. A master password may be specified in the event user forgets the passphrase required to encrypt files. This software requires the Acer Empowering Technology Framework already installed in order to function correctly. Acer was founded in 1976 by Stan Shih, Carolyn Yeh and five others as Multitech in 1976. It is a Taiwanese hardware and electronics giant that produces laptops, desktops, smart phones, displays, storage devices and peripherals. Acer was the fourth largest global vendor of personal computers in 2013 and generates an annual revenue of more than $16 billion. The company is headquartered in Xizhi, New Taipei City, Taiwan.

ActiveToolBand stands for Active Tool Band Module

ActiveToolBand.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 ActiveToolBand Module.

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

ActiveToolBand.dll file information

The process known as ActiveToolBand Module belongs to software Acer eDataSecurity Management by HiTRUST ( or Egis (

Description: ActiveToolBand.dll is not essential for the Windows OS and causes relatively few problems. The file ActiveToolBand.dll is located in the C:\Windows\System32 folder. The file size on Windows 10/8/7/XP is 299,008 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 83A2F9B1-01A2-4AA5-87D1-45B6B8505E96. ActiveToolBand.dll is a file with no information about its developer. The program has no visible window. The ActiveToolBand.dll file is able to change the behavior of, or monitor Internet Explorer. The service has no detailed description. The ActiveToolBand.dll file is not a Windows system file. The program can be uninstalled in the Control Panel. Therefore the technical security rating is 58% dangerous.

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

Recommended: Identify ActiveToolBand.dll related errors

If ActiveToolBand.dll is located in a subfolder of "C:\Program Files", the security rating is 40% dangerous. The file size is 312,880 bytes (79% of all occurrences) or 312,368 bytes. There is no information about the author of the file. The program has no visible window. The software can be removed using the Control Panel's Add\Remove programs applet. ActiveToolBand.dll is a Verisign signed file. The ActiveToolBand.dll file is able to change the behavior of, or monitor Internet Explorer. The ActiveToolBand.dll file is digitally signed. There is no detailed description of this service. It is not a Windows core file.

Uninstalling this variant: The software publisher Hiegis provides an uninstall program (Control Panel->Software->Acer eDataSecurity Management).

Important: Some malware disguises itself as ActiveToolBand.dll, particularly when not located in the C:\Windows\System32 folder. Therefore, you should check the ActiveToolBand.dll process on your PC to see if it is a threat. If ActiveToolBand Module 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 ActiveToolBand issues

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

ActiveToolBand.dll [all]