Conley:
MSAS is no for Win98.
System Requirements
To use Microsoft AntiSpyware, your computer must have one
of the following Windows operating systems:
Windows 2000 Professional
Windows XP Professional/Home Edition
Windows 2003 Server
Your computer must also meet the following minimum
equirements.
Operating system Requirements:
Windows 2000 Professional Edition, Service Pack 3 or
greater
Intel Pentium processor (or compatible) at 133 MHz or
higher
64 MB of RAM (128 recommended if running real-time
AntiSpyware)
20 MB of available hard disk space
Internet Explorer 6.0 or later
Windows XP Professional/Home Edition, Service Pack 1 or
greater
Intel Pentium processor (or compatible) at 300 MHz or
higher
128 MB of RAM
20 MB of available hard disk space
Internet Explorer 6.0 or later
Internet Requirements:
Some features of Microsoft AntiSpyware require an Internet
connection.
If you are installing on Windows 2000, Windows XP, or
Windows Server 2003, you must install with administrator
privileges.