I guess you would say it has features targetted directly at malicious
content coming through the MSN Explorer software, which is a premium web
browser and only comes with the MSN Subscription service. Microsoft
AntiSpyware is a all round AntiSpyware solution for Windows 2000, XP and
Server 2003 and does not require a subscription.
More Info about Spysweeper for MSN here: http://join.msn.com/?pgmarket=en-us...1&HL=Features_Sweeper&ST=1&xAPID=1983&DI=1402