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Security Update, April 2, 2001

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.

For more information about this update, read Microsoft Security Bulletin MS01-017. (This site is in English.)

System Requirements
This update applies to:

- Versions of Windows no earlier than Windows 95.
- Versions of Internet Explorer no earlier than 4.01 Service Pack 2.

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

How to uninstall
Uninstall is not available.

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