Error Message Custom Actions
This type of custom action displays a specified error message and returns failure, terminating the installation. The error message to be displayed can be supplied as a string or as an index into the Error table.
| Custom action type | Description |
|---|---|
| Custom Action Type 19 | Terminates the installation and displays an error message. |
See the section Summary List of All Custom Action Types for a summary of how to encode each of the custom action types into the CustomAction table.