What is encwcbar.dll?

Encwcbar.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 Microsoft Encarta Web Companion.

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

Encwcbar.dll file information

The process known as Microsoft Encarta Web Companion belongs to software Microsoft Encarta Premium (version 2007) or Microsoft Encarta or Microsoft Student with or Microsoft Student (version 2006 DVD) by Microsoft (

Description: Encwcbar.dll is not essential for the Windows OS and causes relatively few problems. Encwcbar.dll is located in a subfolder of "C:\Program Files\Common Files". Known file sizes on Windows 10/8/7/XP are 228,048 bytes (52% of all occurrences) or 256,792 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 955BE0B8-BC85-4CAF-856E-8E0D8B610560. The program has no visible window. It is able to change the behavior of, or monitor Internet Explorer. The encwcbar.dll file is certified by a trustworthy company. The encwcbar.dll file is not a Windows system file. The program can be removed using the Control Panel's Add\Remove programs applet. Therefore the technical security rating is 41% dangerous.

Uninstalling this variant: If you have any problems with encwcbar.dll, you may also want to uninstall the program using the Control Panel ⇒ Uninstall a ProgramMicrosoft Encarta 2007 or Microsoft Encarta 2006.

Recommended: Identify encwcbar.dll related errors

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

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

encwcbar.dll [all]