Windows Messenger 5.1 Windows Messenger 5.1

A guide to uninstall Windows Messenger 5.1 from your computer

Windows Messenger 5.1 is a computer program. This page holds details on how to uninstall it from your PC. It is produced by Microsoft Corporation. You can find out more on Microsoft Corporation or check for application updates here. The program is usually installed in the C:\Program Files\Messenger folder (same installation drive as Windows). The entire uninstall command line for Windows Messenger 5.1 is MsiExec.exe /I{9D1C26BD-E792-4159-9D16-07EA222D8EF0}. Msmsgs.exe is the programs's main file and it takes close to 1.58 MB (1658592 bytes) on disk.

The following executables are incorporated in Windows Messenger 5.1. They occupy 1.58 MB (1658592 bytes) on disk.

  • Msmsgs.exe (1.58 MB)

The current page applies to Windows Messenger 5.1 version 5.1.0701 only. Click on the links below for other Windows Messenger 5.1 versions:

Numerous files, folders and Windows registry entries will not be deleted when you are trying to remove Windows Messenger 5.1 from your PC.

Registry keys:
  • HKEY_LOCAL_MACHINE\Software\Clients\IM\Windows Messenger
  • HKEY_LOCAL_MACHINE\Software\Microsoft\Windows\CurrentVersion\Uninstall\{9D1C26BD-E792-4159-9D16-07EA222D8EF0}

A way to delete Windows Messenger 5.1 from your computer using Advanced Uninstaller PRO

Windows Messenger 5.1 is an application released by Microsoft Corporation. Sometimes, users try to uninstall this program. Sometimes this is troublesome because removing this by hand requires some knowledge related to Windows internal functioning. One of the best EASY action to uninstall Windows Messenger 5.1 is to use Advanced Uninstaller PRO. Here are some detailed instructions about how to do this:

1. If you don't have Advanced Uninstaller PRO on your system, add it. This is good because Advanced Uninstaller PRO is one of the best uninstaller and all around utility to maximize the performance of your PC.


2. Run Advanced Uninstaller PRO. It's recommended to take some time to admire the program's interface and number of features available. Advanced Uninstaller PRO is a very good package of tools.

3. Press the General Tools category
Go to General Tools

4. Press the Uninstall Programs feature
Go to Uninstall Programs

5. All the programs installed on the computer will be shown to you

6. Scroll the list of programs until you find Windows Messenger 5.1 or simply click the Search field and type in "Windows Messenger 5.1". The Windows Messenger 5.1 app will be found very quickly. After you click Windows Messenger 5.1 in the list of applications, some information about the application is shown to you:

  • Safety rating (in the left lower corner). The star rating tells you the opinion other users have about Windows Messenger 5.1, ranging from "Highly recommended" to "Very dangerous".
  • Opinions by other users - Press the Read reviews button.
  • Technical information about the program you are about to remove, by pressing the Properties button.
7. Click the Uninstall button. A confirmation window will show up. Confirm the uninstall by pressing the Uninstall button. Advanced Uninstaller PRO will then uninstall Windows Messenger 5.1.
Uninstall Windows Messenger 5.1

8. After uninstalling Windows Messenger 5.1, Advanced Uninstaller PRO will offer to run a cleanup. Click Next to go ahead with the cleanup. All the items of Windows Messenger 5.1 which have been left behind will be found and you will be able to delete them. By uninstalling Windows Messenger 5.1 using Advanced Uninstaller PRO, you are assured that no Windows registry entries, files or directories are left behind on your disk.

Your Windows system will remain clean, speedy and ready to take on new tasks.


Geographical user distribution

  • Windows XP (5.1)
  • Windows 7 (6.1)
  • Windows 8.1 (6.3)
Software Application


The text above is not a recommendation to remove Windows Messenger 5.1 by Microsoft Corporation from your computer, nor are we saying that Windows Messenger 5.1 by Microsoft Corporation is not a good application. This page simply contains detailed info on how to remove Windows Messenger 5.1 in case you want to. The information above contains registry and disk entries that our application Advanced Uninstaller PRO stumbled upon and classified as "leftovers" on other users' computers.

2016-12-01 / Written by Daniel Statescu for Advanced Uninstaller PRO

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Last update on: 2016-12-01 01:57:12.617