84,488,480 programs installed

Should I remove Windows Messenger?

What percent of users and experts removed it?
1% remove it99% keep it
Overall Sentiment
What do people think about it?
(click star to rate)
How common is it?
Global Rank #12,976
United States Rank #28,323
Reach 0.0239%
Lifespan of installation (until removal)
< 16.14 days
476.09 days >
Average installed length: 250.15 days


5.1.0715 77.75%
5.1.0706 2.33%
5.1.0701 13.35%
5.1.0680 0.21%
5.1.0640 5.30%
5.1.0639 1.06%

Other programs by Microsoft

Windows Messenger 5.1

What is Windows Messenger?

Microsoft Windows Messenger allows real-time communication with other contacts who use Windows Messenger and who are signed in to the same instant messaging service.


The most used version is 5.1.0715, with over 98% of all installations currently using this version. Upon installation, it defines an auto-start registry entry which allows the program run on each boot for the user which installed it. It adds an extension to the user's Internet Explorer web browser. The software is designed to connect to the Internet and adds a Windows Firewall exception in order to do so without being interfered with. The main program executable is Msmsgs.exe. The software installer includes 12 files and is usually about 3.07 MB (3,213,895 bytes).

Program detailsProgram details

Installation folder: C:\Program Files\Messenger\
Uninstaller: MsiExec.exe /I{D1E44702-21F5-4918-B8A3-6D126D5BD33C}
(The Windows Installer is used for the installation, maintenance, and removal.)
Estimated size: 3.07 MB
Language: German (Germany)

Program filesFiles installed by Windows Messenger 5.1

Program executable:Msmsgs.exe
Windows Messenger
Path:C:\Program Files\Messenger\Msmsgs.exe
Additional files:
  • rtcimsp.dll - Microsoft (r) Office Live Communications Server 2005 (RTC IM Service Provider DLL)
  • msvcp70.dll - Microsoft® Visual Studio .NET (Microsoft® C++ Runtime Library)
  • msvcr71.dll - Microsoft® C Runtime Library
  • msimmsgr.dll - Microsoft Exchange (Microsoft Exchange Messenger Service Provider)
  • msimnetc.dll - Microsoft Exchange Instant Messaging Client Network
  • msgsc.dll - Messenger (Messenger Service)
  • msgslang.dll - Messenger Language Specific Resources--English
  • msmsgs.exe - Windows Messenger
  • msmsgsin.exe
  • custsat.dll - custsat

Program behaviorsBehaviors exhibited

Internet Explorer Extension
  • Msmsgs.exe is installed as an Internet Explorer extension using the class {FB5F1910-F110-11d2-BB9E-00C04F795683}.
Startup File (User Run)
  • Msmsgs.exe is loaded in the current user (HKCU) registry as an auto-starting executable named 'MSMSGS' and executes as "C:\Program Files1\MESSEN~1\Msmsgs.exe" /background.
Windows Firewall Allowed Program
  • Msmsgs.exe is added as a firewall exception for 'C:\Program Files\Messenger\Msmsgs.exe'.

Program resource utilizationResource utilization averages

Memory:1.91 MB
21.09 MB average
Total CPU:0.0000001646%
0.031193% average
Kernel CPU:0.00000011%
0.016088% average
User CPU:0.00000005%
0.015104% average

How do I remove Windows Messenger?

You can uninstall Windows Messenger from your computer by using the Add/Remove Program feature in the Window's Control Panel.
  1. On the Start menu (for Windows 8, right-click the screen's bottom-left corner), click Control Panel, and then, under Programs, do one of the following:
    • Windows Vista/7/8/10: Click Uninstall a Program.
    • Windows XP: Click Add or Remove Programs.
  2. When you find the program Windows Messenger 5.1, click it, and then do one of the following:
    • Windows Vista/7/8/10: Click Uninstall.
    • Windows XP: Click the Remove or Change/Remove tab (to the right of the program).
  3. Follow the prompts. A progress bar shows you how long it will take to remove Windows Messenger.

How do I reset my web browser?

If your web browser homepage and search settings have been modfied by Windows Messenger 5.1 you can restore them to their previous default settings.
Microsoft Internet Explorer
Mozilla Firefox
Google Chrome

Win XP 92%
Win Server 2003 0%
Auto-starting? Yes
(Found in the run registry)
Uninstall it 1%
Keep it 99%

Windows OS versionsWindows

Which Windows OS versions does it run on?
Windows XP 94.69%
Windows 7 4.25%
Windows Vista 0.64%
Windows Server 2003 0.42%
Which OS releases does it run on?
Microsoft Windows XP 95.29%
Windows 7 Professional 1.93%
Windows 7 Home Premium 1.07%
Windows Vista Home Premiu... 0.64%
Windows 7 Ultimate 0.43%
Windows 7 Starter 0.21%

Distribution by countryGeography

65.36% of installs come from Germany
Which countries install it?
  Germany 65.36%
  United States 10.31%
  Austria 2.89%
  Italy 2.68%
  France 1.86%
  Hungary 1.86%
  United Kingdom 1.65%
  Taiwan 1.44%
  Sweden 1.44%
  Argentina 1.03%
  Switzerland 0.82%
  Australia 0.82%
  Belgium 0.62%
  Mexico 0.62%

OEM distributionPC manufacturers

What PC manufacturers (OEMs) have it installed?
American Megatrends 20.76%
Dell 14.41%
Sahara 14.41%
Intel 12.29%
Hewlett-Packard 4.66%
ASUS 2.54%
Acer 2.12%
Samsung 1.69%
Medion 1.27%
Common models
MEDIONPC MS-7091 2.89%

About Microsoft

Microsoft Corporation develops, manufactures, licenses and supports a variety of products and services related to computing.
Publisher URL: www.microsoft.com


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