I need to close the install after telling the user of a prerequisite software, 
take him to a download URL and then exit install.
 
I have written a custom action that pops up the browser at the required URL. 
 
If the prerequisite is not present I conditionally launch a specific dialog 
(first in dialog sequence) informing the user and asking him if he wants to be 
taken to the download URL. 
 
If he presses the button saying yes, Doaction event fires the custom action. 
How do I exit from the installation at this stage ?
 
If the user launches a silent installation then UI is not presented to the user 
should I then sequence the custom action in InstallExecuteSequence also? 
 
I think CutomAction attribute execute=firstsequence should do this. 
 
Is this the correct way of doing it?
 
This can be handled in LaunchConditions but I need to present a product 
specific customized dialog to the user that is the reason UISequence comes into 
picture.  
 
 
Umesh                                     
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