Windows 98 and ME no longer supported by Microsoft

http://www.microsoft.com/windows/support/endofsupport.mspx

End of support for Windows 98 and Windows Me

July 11, 2006 will bring a close to Extended Support for Windows 98, Windows 98 Second Edition, and Windows Me as part of the Microsoft Lifecycle Policy. Microsoft will retire public and technical support, including security updates, by this date.