Before you install a new version of Teradata Tools and Utilities products, all existing versions of Teradata Tools and Utilities products must be uninstalled. Any products installed separately from suites must be manually uninstalled.
If you need to reinstall v14.10, you must use the Add/Remove Programs applet to uninstall the existing instance of the product. For more information, see Interactively Uninstalling Teradata Tools and Utilities.
Before you uninstall Teradata GSS Client, see About Retaining Existing Files for Teradata GSS Client for special considerations.