Got it. This was the info I was missing.You cannot have several product code values in OLDPRODUCTS property unless you're using "Allow side by side installs of different product versions".
So to persist remove it on uninstall? Do you mean don't remove on uninstall???Bogdan wrote:If you want them to persist you should use the attribute "Remove file on uninstall" from "Install" tab, in our predefined XML editor from Files and Folders page.