I think the standard is to have the deferred action make a call to
MsiProcessMessage (not MessageBox), passing in a reference to the Error table
(that way your displayed strings won’t live inside dll resource files).
https://msdn.microsoft.com/en-us/library/aa371247%28v=vs.85%29.aspx
On Feb
Hi,
I have a deferred Custom action that fails in some scenarios. Since this
custom action is responsible for installling some licensing libraries for
my product hence I cannot continue installation if this CA fails.
I want to show a custom error message to the user if this CA has failed the
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