Thanks Jason and all the other peeps in the forum and who have sent this in. :)
Microsoft has updated its MSN and Windows Messenger client, it now upto build v4.6.0079. There is no word on whats new / fixed in this version.
News source: Messenger Home Page
Download: Windows Messenger 4.6 for Windows XP
Download: MSN Messenger 4.6 for Windows 95, 98, ME, NT 4.0 and 2000