15.4.3555.0308 50.00%
15.4.3502.0922 50.00%



Windows Live Messenger Companion by Microsoft Corporation (Signed)

Remove companionuser.exe


There are 2 versions of companionuser.exe in the wild, the latest version being 15.4.3555.0308. companionuser.exe is run as a standard windows process with the logged in user's account privileges. The average file size is about 53.38 KB. The file is a digitally signed and issued to Microsoft Corporation by Microsoft Corporation. During the process's lifecycle, the typical CPU resource utilization is about 0.0001% including both foreground and background operations, the average private memory consumption is about 1.46 MB with the maximum memory reaching around 5.1 MB and typical read I/O operations are around 25 Bytes per minute.


File name:companionuser.exe
Publisher:Microsoft Corporation
Product name:Windows Live Messenger Companion
Description:Windows Live Messenger Companion User Elevation Helper
Typical file path:C:\Program Files\windows live\companion\companionuser.exe
Issued to:Microsoft Corporation
Authority (CA):Microsoft Corporation
Effective date:Monday, December 7, 2009
Expiration date:Monday, March 7, 2011

ResourcesPrograms installed in

(Note, the programs listed below are for all versions of Windows Live Messenger Companion.)
Microsoft Corporation
10% remove
Windows Live Essentials is a suite of freeware applications by Microsoft that aims to offer integrated and bundled e-mail, instant messaging, photo-sharing, blog publishing, and security services. Ess...
Microsoft Corporation
8% remove
Windows Live is the former collective brand name for a set of services and software products from Microsoft; part of their software plus services platform. A majority of these services are Web applica...
Microsoft Corporation
9% remove
Windows Live "is a way to extend the Windows user experience". Windows Vista provides a link in its user interface to download Windows Live Messenger, and Windows 7 saw the removal of applications suc...

VersionsAll file variations of companionuser.exe

MD5SHA-1File size
d28cf84a1cd2e6d9bf91c50c589ee437 9dd86ea90bbcf49243d8a3101749fe5e4c880175 53.38 KB
71fd68bbad3a878a604241299028a572 9f60dd0099b0f294f228fa96930a86e88437e3de 53.38 KB
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