The MSXML 3.0 SP4 distribution does not directly support uninstall or reinstallation for different languages. For example, if you install the English version of the MSI package (msxml3usa.msi), you cannot install the Japanese version of the MSI (msxml3jpn.msi) over the English MSI. In this example, only the English version would be available on the machine. This behavior is the same as in previous released SP versions of MSXML 3.0.
To install a localized version of MSXML 3.0 SP4 on a system different from the previously installed version/locale of MSXML 3.0 SP4, complete the following steps:
1. Unregister the existing installation package by executing the following command in a Command Prompt window: