The updates take ages to install, aren't that good and MS could drop them anytime (support for 98SE has been extended but the product has been end-of-lifed.)
So suggest you download the UNOFFICIAL Windows98 Second Edition Service Pack 1.6.2 (Freeware) from
http://exuberant.ms11.net/98sesp.html
Features:
# 73 hot fixes.
# Solves 512 MB of RAM problem.
# 256-color tray icons.
# Better Notepad.
# Optimized swap file usage.
# Better WDM and USB support.
# General "USB 1.x Mass Storage Device" support.
# Adaptec ASPI 4.60.1021 drivers.
# Windows Scripting Host 5.6.
# DCOM98 1.3.
# OLE Automation Libraries 2.40.4522.
# Dial-Up Networking 1.4.
# Microsoft Installer 2.0.
# Microsoft Layer for Unicode.
# Visual Basic 5.0 SP2 runtime library.
# Visual Basic 6.0 SP6 runtime library.
# Visual C++ 6.0 SP6 runtime libraries.
# Updates JET 3.5 files to JET 3.5 SP3.
# Supports 98lite 4.7 Chubby and Overweight.
# Windows ME desktop icons.
# Windows 2000 color scheme.
# Supports custom "Program Files" directory.
# Some tweaks.
There's life in the old donkey yet.
[Better still, install a really good Linux distro like MEPIS -
http://www.mepis.org/ ]