How to remove an companioncore.dll error

Companioncore.dll is a Windows DLL file. DLL is the abbreviation for Dynamic Link Library. DLL files are needed by programs or web browser extensions, because they contain program code, data, and resources. The following information can help you determine if companioncore.dll belonging to the Windows system or an application you can trust.

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Companioncore.dll file information

The process known as Windows Live Messenger Companion Core or Windows Live Companion Core belongs to software Windows Live Messenger Companion or Windows Live Messenger Companion Core by Microsoft (www.microsoft.com).

Description: companioncore.dll is located in a subfolder of "C:\Program Files". Known file sizes on Windows 7/XP are 393,600 bytes (98% of all occurrences), 380,800 bytes, 299,880 bytes or 387,952 bytes.
This .dll file is a Browser Helper Object (BHO) that runs automatically every time you start your Internet browser. BHOs are not stopped by personal firewalls, because they are identified by the firewall as your browser itself. BHOs are often used by adware and spyware. The unique ID of this BHO is 9FDDE16B-836F-4806-AB1F-1455CBEFF289. The program has no visible window. It is able to monitor Internet browser. The file is digitally signed. There is no detailed description of this service. Companioncore.dll is not a Windows system file. You can uninstall this program in the control panel. companioncore.dll is able to record inputs. Therefore the technical security rating is 51% dangerous, however also read the users reviews.
In case of any problems with companioncore.dll, you can do the following:

go to the support area of the Live website
look for a new, improved version
uninstall the associated program (Start > Control Panel > Add/Remove programs > Windows Live Essentials or Windows Live Messenger Companion Core)

Important: Some malware camouflages itself as companioncore.dll, particularly when located in the c:\windows or c:\windows\system32 folder. Therefore, you should check the companioncore.dll process on your PC to see if it is a threat. We recommend Security Task Manager for verifying your computer's security. This was one of the Top Download Picks of The Washington Post and PC World.

Score

User Comments

part of Windows Live Messenger
meehee (further information)

Gets louded with Windows Live Programs
jtmanges

Windows Live Messenger Companion Core - Windows Live Messenger Companion is an add-in for Windows Internet Explorer that detects when a user is on a website that one of their friends has shared content from and surfaces that update so that the user can instantly view what their friends have shared and leave a comment to the shared content on Windows Live. The service utilizes Windows Live ID and integrates tightly with Windows Live Messenger to obtain the user's contact list and their shared contents.
JPD (further information)

Summary: Average user rating of companioncore.dll: based on 4 votes with 3 reviews.

4 users think companioncore.dll is essential for Windows or an installed application.

Companioncore scanner

Security Task Manager shows all running Windows tasks including embedded hidden functions (e.g. keyboard or browser monitoring, autostart entry). A unique security risk rating indicates the likelihood of the process being potential spyware, malware, keylogger or a Trojan.

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