Removing Windows Messenger 4.7 (after installing MSN Messenger 5.0/6.0/6.1)
To uninstall Windows Messenger 4.x on your system do not delete the programs files directly instead go
Start > Run, now enter “RunDll32 advpack.dll,LaunchINFSection %windir%\INF\msmsgs.inf,BLC.Remove� into your run box without the speech marks. Although this will remove the second tray icon with will disable some features in MSN Messenger such as remote assistance (period), whiteboard, application sharing plus apps that call on Messenger (like Outlook Express, Outlook 2002) will freeze or parts that rely on Windows Messenger will no longer function.
If you enter the command into the run box the following message will be displayed
Removing Windows Messenger 5.0
Go to start > run and enter
msiexec.exe /x {ABEB838C-A1A7-4C5D-B7E1-8B4314B10138}
Windows Messenger 5 will then be automatically removed.
or
C:\Documents and Settings\All Users\Application Data\Windows Messenger
In this folder you will find a file called messenger.msi, right click on it and select uninstall. The version number of messenger can be obtained by
opening the main Windows Messenger window and going to Help > About.
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