rootsupd.exe

10-28-2010 Update

RCU:
New release:
• Microsoft Internet Explorer 4/5/6 Root Certificates Update (RCU) for Windows 98/98 SP1/98 SE/ME:
http://support.microsoft.com/?id=931125
RCU [344 KB].
http://download.windowsupdate.com/msdownload/update/v3/static/trustedr/en/rootsupd.exe
Newest RCU Update.
http://www.microsoft.com/downloads/results.aspx?freetext=root%20certificates
http://www.mdgx.com/ietoy.htm#RCF

Root Certificates Update

This item updates the list root certificates on your computer to the latest list that is accepted by Microsoft as part of the Microsoft Root Certificate Program. 
Adding additional root certificates to your computer enables a greater range of security enhanced Web browsing, encrypted e-mail, and 
security enhanced code delivery applications to work seamlessly. This update includes root certificates from Verisign, Thawte, and Post.Trust in Ireland. 

System Requirements

This update applies to the following operating systems: 

Windows 98 
Windows 98 Second Edition 
Windows Millennium Edition 
Windows NT® 4.0 running Service Pack 6a 
Windows 2000 running Service Pack 2 
Windows 2000 running Service Pack 3 
Windows 2000 running Service Pack 4 

How to use:
You don't need to do anything after installing this update.
Uninstall is not available.

http://download.windowsupdate.com/msdownload/update/v3/static/rtf/en/4702.htm
RCU [317 KB].
http://download.windowsupdate.com/msdownload/update/v3/static/trustedr/en/rootsupd.exe