I would enable verbose logging on the test system and then review the log after the on-demand install happens. http://support.microsoft.com/kb/223300
-- View this message in context: http://windows-installer-xml-wix-toolset.687559.n2.nabble.com/Wix-Installer-runs-after-upgrade-if-running-installed-application-tp7594977p7594982.html Sent from the wix-users mailing list archive at Nabble.com. ------------------------------------------------------------------------------ Learn Graph Databases - Download FREE O'Reilly Book "Graph Databases" is the definitive new guide to graph databases and their applications. Written by three acclaimed leaders in the field, this first edition is now available. Download your free book today! http://p.sf.net/sfu/NeoTech _______________________________________________ WiX-users mailing list WiX-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/wix-users