This update resolves the "Malformed Data Frame Sent to a Windows 2000 Computer Through an Infrared Port Causes Stop Error" security vulnerability in Windows 2000, and is discussed in Microsoft Security Bulletin MS01-046. Download now to prevent a malicious user from causing your computer to fail by sending a malformed data frame to your computer's infrared port.

For more information about this vulnerability, please read Microsoft Security Bulletin MS01-046. (This site is in English.)

Note This update also includes functionality that allows Windows 2000 to communicate with infrared-enabled mobile devices in order to establish a dial-up networking connection via an infrared port. For more information about this issue, read Microsoft Knowledge Base (KB) Article Q252795. (This site is in English.)

1. Click Start, point to Settings, and then click Control Panel.
2. Double-click Add/Remove Programs.
3. Select Windows 2000 Hotfix (Pre SP3) [See Q252795 for more information], and then click Change/Remove to uninstall.