[kinook]

Add code like this to the step's vbld_StepStarting script event:

If Not vbld_FSO.FileExists(vbld_StepProp("Filename", vbString)) Then
	Err.Raise 1, Step.Name, "INI file not found"
End If

http://www.kinook.com/VisBuildPro/Ma...riptevents.htm