how to find out which products are installed - newer product are already installed MSI windows
I can create MSI via WIX -> we installed it on IIS. What is happening - we had some version of application installed already on let's say 1.8, then we installed version let's say 99.0 just for testing purposes, then we uninstalled this 99 version. Then i tryed to install other version and obtained: A newer version of the product is already installed. Then i tryed following changing upgrade code of product - and make high version again, then uninstall and install lower version - and it worked fine. So i feel i missing something - additional information is that in programs and features list i