"Different versions of MSXML are included with various Microsoft products, such as Windows, Internet Explorer, Microsoft Office, and Microsoft SQL Server, as well as some third-party products. "
It probably has more uses than just for the program you mention, have a read of this article, see if you can follow the procedure for uninstalling and getting the latest versions available.
MS06-071: Security update for Microsoft XML Core Services 4.0
http://support.microsoft.com/default.aspx/kb/927978