When you try to uninstall Internet Explorer 6.0 from Windows 2000 by selecting Restore the previous Windows Configuration option in the Add/Remove Programs applet of Control Panel, only Repair Internet Explorer is available.
If you reinstalled Internet Explorer 6 after installing a Windows 2000 Service Pack, and then uninstalled the Service Pack, you will experience this behavior.
To workaround this problem:
1. Perform an in-place upgrade of Windows 2000.
2. Apply the latest Service Pack you wish to install.
3. Install the version of Internet Explorer that you require.