MSN Messenger 7.5 (XP Only)
Version: 7.5.0311 12 Oct 05
File: Install_MSN_Messenger.exe (if you select "download and install later")
Download Size: 8.92MB
Download: http://messenger.msn.com/xp/downloadDefault.aspx
System Requirments:
Pentium 233-MHz processor or better (500MHz recommended)
Microsoft Windows XP ONLY
Minimum 64MB of RAM (128MB recommended)
Up to 50MB of hard disk space needed to install — after install, up to 15MB may be needed
256-color VGA or higher resolution graphics card (SVGA recommended)
Minimum 800x600 screen resolution
Microsoft® Internet Explorer version 6 SP1 or later
Note: If you're a Windows 95 user you're going to have to use MSN Messenger 5.0 (download: Setup95 Version: 5.0 released 14 August 2003) and for Windows 98 (and above) users who dislike version 7 then v6.2 is still available (download: Setup Version: 6.2.0208 (13 April 2005)

Supporting Links:
Microsoft Windows Messenger homepage: http://www.microsoft.com/windows/messenger/
Microsoft MSN Messenger homepage: http://messenger.msn.com/
and the Microsoft Download Centre has an word document avaiable for download WM vs MSN Messenger.doc "New to Windows Messenger? Learn the differences between Windows Messenger and MSN Messenger."

Useful bits & bobs...

MSN Messenger v7.5 Icons
System Tray Icon, Indicating you're logged in and "online"
System Tray Icon, Indicating you're logged in but appear "offline"
System Tray Icon, MSN Messenger is running but not logged on
Online / Available
Mobile (phone) Enabled
Offline
Away / Idle
Busy
They are using MSN Web Messenger (some features won't be available when you're chatting with them)
They have recently updated MSN Spaces

Stop MSN Messenger from starting
select Tools > Options
select General (from the left hand menu) > Sign In
clear Automatically run Messenger when I log on to Windows
Click OK.

Problems with Windows Messenger....
If you're struggling with being knocked off MSN Messenger due to Windows Messenger kicking in at all the wrong times, then swing by dougknox.com and grab yourself Disable/Remove Windows Messenger (© 2002 - Doug Knox), a simply brilliant utility.

and then there's Shoot The Messenger from grc.com
"In addition to being a security risk, Windows' Messenger Service is being used to Spam Windows users across the Internet. This 22 kbyte "Shoot The Messenger" utility gives users
immediate control over the Windows Messenger service. Shoot The Messenger allows any Windows NT/2000/XP user to easily stop and disable the unnecessary Messenger Service running in their machines."
Shoot The Messenger is well worth swinging by as there is some great, user friendly information about Windows Messenger, how it differs from MSN Messenger and the problems you may face with Windows Messenger so it's well worth checking out even if you don't feel that Windows Mess is causing you grief :)

Add or remove names from your Passport sign-in list
select Tools > Options
the Options window appears
select General (from the left hand menu) > Sign-in Accounts and Passwords > Change
"Stored User Names and Passwords"
from the list select the Name/Account you wish to remove
hit Remove
hit Close
hit OK

if this doesnt work and you're u running windows xp
(see forum posting msn messenger remember me feature )
clear .net passport via Control Panel > User Accounts
select your login account
in the left hand side under Related Tasks click Manage my Network Passwords
it'll bring up a window of stored usernames and passwords
select the passports used including Passport.Net\* (Passport)
click Remove
click Close