A security issue has been identified that could allow an attacker to compromise a computer running Microsoft® Windows® NT 4.0 and gain complete control over it. An attacker would need the ability to log onto the computer locally to carry out an attack. You can help protect your computer by installing this update from Microsoft.

For more information, read the associated Microsoft security bulletin. (This site may be in English.)

1. Click Start, point to Settings, and then click Control Panel.
2. Double-click Add/Remove Programs.
3. Select Hotfix for Q811493, and then click Add/Remove.