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Windows NT Server 4.0 | Downloads

Security Update, April 2, 2001

Click to Download.
File size is 128 kilobytes (KB).



Read Me First

This update resolves the "Erroneous VeriSign-Issued Digital Certificates Pose Spoofing Hazard" security vulnerability, and is discussed in Microsoft Security Bulletin MS01-017. Download now to prevent an unauthorized user from running code on your computer by digitally signing programs as "Microsoft Corporation."

VeriSign, Inc. issued two VeriSign digital certificates to an individual who fraudulently claimed to be a Microsoft employee; this allows the individual to sign programs, ActiveX® controls, Office macros, and other executable content as originating from "Microsoft Corporation." This update prevents the two erroneously signed certificates from being accepted as valid.

Note This update was released prior to April 2, 2001.

For more information about this update, read Microsoft Security Bulletin MS01-017.

System Requirements
This update applies to Windows NT®4.0 with versions of Internet Explorer no earlier than 4.01 Service Pack 2.

How to download and install

  1. Select your language from the drop-down list at the top of the page.
  2. Click Next.
  3. Click Download Now.
  4. Do one of the following:
    • To start the installation immediately, select Run this program from its current location.
    • To copy the download to your computer for installation at a later time, select Save this program to disk.
  5. Click OK.

How to use
You don't need to do anything after installing this item.

How to uninstall
Uninstall is not available.


 Last Updated: Monday, April 09, 2001
 © 2001 Microsoft Corporation. All rights reserved. Terms of Use.