Home How it works Support Boost Connect Download

Boost Connect

Uncovering the DNA of programs.
Good programs    
Fair programs  
Bad programs 

What is companionuser.exe?

Part of Windows Live Messenger Companion by Microsoft

Download Boost and enjoy your PC. Speed up Windows Live Messenger Companion and optimize your PC.

How does companionuser.exe run?

Process - companionuser.exe is an instance of a running program. This 64-bit program executes with the privileges as the currently logged in user account. companionuser.exe is executed by the process svchost.exe (ระบบปฏิบัติการ Microsoft® Windows® by Microsoft).


What is the community is seeing?What is the community is doing?
About 0.3% of all Boost users have the companionuser.exe process running.Of the 0.3% of companionuser.exe users, 20.0% have disabled it.
How resource intensive is companionuser.exe?
Comparison based on the average resource utilization across all programs.
0.00003% CPU341.8%
Average CPU utilization across all programs is 0.00001%.
     1.44 MB RAM6.7%
Average private memory utilization across all programs is 21.53 MB.
         4 GDI objects2.7%
Average number of GUI GDI and USER objects for all programs is 150.
Typical file (disk image) location:
C:\Program Files\windows live\companion\companionuser.exe

Are there other versions of Windows Live Messenger Compani...?

What else is related?

What Windows OS versions does this run on?

Windows 8 Pro with Media Center (6.2.9200.0)

About Microsoft Corporation

Microsoft, founded in 1975 by Bill Gates and Paul Allen, is a veteran software company, best known for its Microsoft Windows operating system and the Microsoft More...
Download Boost

File details

File name: companionuser.exe
Publisher: Microsoft Corporation (verified)
Name: Windows Live Messenger Companion
Description: Windows Live Messenger Companion User Elevation Helper
Version: 15.4.3555.0308
Size: 53.38 KB
Original file name: companionuser.exe

Digital certificate

Certificate authority: Microsoft Corporation
Effective date: 12/7/2009
Expiration date: 3/7/2011

Resource utilization

CPU utilization averages
Total CPU: 0.0000683666%
Privileged CPU: 0.0000341833%
User CPU: 0.00003418327682%
Privileged CPU time: 15.6 ms
Privileged CPU time /min: 0 ms
Memory utilization averages
Committed memory: 66.96 MB
Peak committed memory: 68.53 MB
Paged memory: 1.44 MB
Peak paged memory: 1.66 MB
Paged system memory: 134.59 KB
Non-paged system memory: 8.44 KB
Working set memory: 5.22 MB
Peak working set memory: 5.34 MB
Min working set memory: 5.22 MB
Private memory: 1.44 MB
Page faults: 1,499
Page faults /min: 0
GUI Object Averages
GDI objects: 4
Peak GDI objects: 4
USER objects: 2
Peak USER objects: 2
Handle count average: 105
Thread count average: 3
Thread resource averages

Process details

Runs as (owner): User
Integrety level: Undefined
Windows platform: 64-bit
Parent Process
Process Command
"C:\Program Files\Windows Live\Companion\companionuser.exe" -Embedding

Image hashes

MD5: d28cf84a1cd2e6d9bf91c50c589ee437
SHA-1: 9dd86ea90bbcf49243d8a3101749fe5e4c880175
SHA-256: 53ab6c0e787d60e3e19712af541e39b551449eb892eda4b10dd01e652046c607

PE image details

File packed: No
Stay up to date with news about Boost
Subscribe to our newsletter to receive the latest Boost news and discounts.
© 2016 Reason Software Company Inc.
228 Park Ave S #74122 New York, NY 10003
(646) 664-1038 | info@boostbyreason.com
How it works Privacy Terms Support Contact Download Donate Reason Software, the makers of Boost logo

Download Boost and enjoy your PC.

Increase your PC's performance.
Remove unwanted crapware.
Reduce your boot time.
Identify and resolves crashes.
Download the FREE unlimited trial of Boost!
No spyware, no adware, no bundles, no tricks.

Save 40% on Boost

For a limited time, from now until Saturday, October 22, 2016 you can purchase Boost for 40% off of the normal price, only $39.95 $24.95.
The instant online savings will be automatically applied during checkout.

100% Satisfaction Guarantee

Purchase with confidence. We stand behind Boost.
If for any reason you are not satisfied with your software purchase, simply contact our Customer Support within 30 days, and we'll refund the purchase price. We won't make you jump through hoops to get all your money back!