Setup Factory for Windows Installer
Custom action displays an error message, returns failure, and then terminates the installation. Corresponds to Windows Installer custom action type 19. This action is generally used with a specific condition (specified on the Attributes tab) to terminate the installation when certain criteria are not met. See the Attributes tab for more details about scheduling, run options and return values.
A localizable message to display when the action is run right before the installation is terminated.
MSDN Online: CustomAction Table
MSDN Online: Custom Action Type 19
MSDN Online: Summary List of All Custom Action Types
WiX Help File: CustomAction Element