How to download and install

1. Select an item from the drop-down list above and click Download Now.
2. Choose Run this program from its current location and click OK.
3. Click Yes if asked whether you would like to install and run Internet Explorer Security Update.
4. Click Yes to begin the installation process.

Important If your browser is a version of Internet Explorer other than those listed above, your computer is still vulnerable. Microsoft recommends that you upgrade to the latest version of Internet Explorer. (If you have Internet Explorer 5.5, install Security Update, August 9, 2000 to resolve this vulnerability.)

Read This First

This update resolves the "Active Setup Download" security vulnerability in an ActiveX control that ships as part of Internet Explorer. Download now to prevent a malicious Web site operator from overwriting files on your computer.

For more information about this update and the issues it resolves, please read Microsoft Security Bulletin MS00-042.

System Requirements
This update resolves the vulnerability in Internet Explorer 4.01 Service Pack 2 (SP2), Internet Explorer 5.01, and Internet Explorer 5.01 SP1. To verify which version of Internet Explorer you are running:

1. Click Help in the Internet Explorer Menu and then click About Internet Explorer.
2. Apply this update if Version: is displayed as
   • 4.72.3612.1713 for Internet Explorer 4.01 SP2,
   • 5.00.2919.6307 for Internet Explorer 5.01 (if you are running Windows 2000, the Internet Explorer 5.01 version number will display as 5.00.2920.0000), or
   • 5.00.3105.0106 for Internet Explorer 5.01 SP1 (if you are running Windows 2000, the Internet Explorer 5.01 SP1 version number will display as 5.00.3103.1000).

How to uninstall
Uninstall is not available.