Hello Wix Devs,

I have a question for the problem I am currently working on with launching a 
new custom action during a patch install:

Basically I need to launch an EXE file while is installed by the original MSI 
during the patch/MSP install. The original MSI does not include this custom 
action so I authored it in the upgrade MSI (add the customaction definition as 
well as the installexecutesequence). Also in order to have it included in the 
patch, I add the customeactionref to this new added custom action into the 
patchfamily. The customaction definition and installexecutesequence are defined 
inside the same fragment so both get picked up by the MSP.

Now, I can see both customaction definition and installexecutesequence are 
shown up with the patch (using ORCA to load original MSI then view patch MSP). 
Everything looks correct except when patch is installed, the EXE is not 
launched. I have played with the condition for installexecutesequence even 
tried remove any condition - meaning should launch it unconditionally. Still no 
luck.

When I tried installing the upgrade MSI, the EXE is launched as expected. So 
just cannot have it work with patch install.

Any suggestions?

Thanks

Hao

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