Uh, as some of you may know, some of Microsoft's programs are affected by a worm, the programs affected are;
Microsoft Windows NT® 4.0
Microsoft Windows NT 4.0 Terminal Services Edition
Microsoft Windows 2000
Microsoft Windows XP
Microsoft Windows Server™ 2003

W32.Blaster.Worm is a worm that exploits and disconnects you within 60 seconds, there's a little timer or something, when the timer pops-up on you ctrl + alt + del and close msblast.exe

More Info:
http://securityresponse.symantec.com/avcenter/venc/data/w32.blaster.worm.html

http://www.microsoft.com/technet/treeview/default.asp?url=/technet/security/bulletin/MS03-026.asp

The blue monkey is out of its barrel...