Hi,
Thank you for reaching out to the Microsoft Community!
The issue is bit unclear. I would appreciate it if you could answer to the following questions:
1. Which version of Windows is currently installed on the computer?
2. What are you trying to download on Windows 98?
Support for Windows 98 ended on July 11, 2006.
Refer to the following links.
Windows 98, Windows 98 Second Edition, and Windows Millennium Edition Support ends on July 11, 2006
http://support.microsoft.com/gp/lifean18
Support for Windows 98
http://support.microsoft.com/ph/1139
Suggestions for asking a question on help forums
http://support.microsoft.com/kb/555375
Please get back to us with the above information in order to assist you accordingly.