What is msneshellx.dll?

Msneshellx.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 MSN Shell Extender.

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Msneshellx.dll file information

The process known as MSN® Shell Extender or MSNR Shell Extender belongs to software Microsoft Live Search Toolbar or MSN Toolbar or MSNR Toolbar or MSN by Microsoft (

Description: Msneshellx.dll is not essential for Windows and will often cause problems. The file msneshellx.dll is located in a subfolder of "C:\Program Files (x86)" or sometimes in a subfolder of the user's profile folder (typically C:\Program Files (x86)\MSN\Toolbar\3.0.0566.0\). Known file sizes on Windows 10/8/7/XP are 82,784 bytes (56% of all occurrences), 86,032 bytes, 82,768 bytes or 83,800 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 d2ce3e00-f94a-4740-988e-03dc2f38c34f. The program is not visible. Msneshellx.dll is able to change the behavior of, or monitor Internet Explorer. It is certified by a trustworthy company. The service has no detailed description. The file is not a Windows system file. Therefore the technical security rating is 52% dangerous, however you should also read the user reviews.

Uninstalling this variant: If you run into problems with msneshellx.dll, you can also go to the support area of the MSN website or remove the entire program Microsoft Live Search Toolbar or MSN Toolbar using Windows Control Panel.

Recommended: Identify msneshellx.dll related errors

Important: Some malware camouflages itself as msneshellx.dll. Therefore, you should check the msneshellx.dll process on your PC to see if it is a threat. If MSN Shell Extender 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

it says it is related to the IE Toolbar

Summary: Average user rating of msneshellx.dll: based on 1 vote with 1 user comment. One user thinks msneshellx.dll is dangerous and recommends removing it. One user is not sure about it.

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Best practices for resolving msneshellx issues

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

msneshellx.dll [all]