windows installer - How do I set the MSI exit-code to 0 if product is already installed using WiX? -

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i have following line in wix setup check if current version installed:

<upgradeversion onlydetect='yes' property='newproductfound' minimum='$(var.productversion)' includeminimum='no' />

the msi exits message , exit code "1638". however, msi part of bootstrapper chains multiple msis - , want bootstrapper continue , install following msis.

how tell wix/msi exit exit code 0 , no message dialog?

i modify bootstrapper rather prefer set exit code 0.

(the exact exit code is: error_product_version - "another version of product installed. installation of version cannot continue. configure or remove existing version of product, use add/remove programs on control panel.")

it seems wixexitearlywithsuccess custom action need.


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