My custom bootstrapper application runs on .NET 3.5 using the following BootstrapperCore.config:
<configuration> <configSections> <sectionGroup name="wix.bootstrapper" type="Microsoft.Tools.WindowsInstallerXml.Bootstrapper.BootstrapperSectionGroup, BootstrapperCore"> <section name="host" type="Microsoft.Tools.WindowsInstallerXml.Bootstrapper.HostSection, BootstrapperCore" /> </sectionGroup> </configSections> <startup useLegacyV2RuntimeActivationPolicy="true"> <supportedRuntime version="v2.0.50727" sku="client"/> </startup> <wix.bootstrapper> <host assemblyName="MU.BA"> <supportedFramework version="v3.5" /> </host > </wix.bootstrapper> </configuration> The prerequisite UI appears when building the project with WiX 3.9.1208 and the following error appears in the runtime log: Loading prerequisite bootstrapper application because managed host could not be loaded, error: 0x80004001. If I build the same project with WiX 3.7, the prerequisite UI does not appear and the error is avoided.. How do I use WiX 3.9 without requiring .NET 4.5 for the custom bootstrapper? ------------------------------------------------------------------------------ Dive into the World of Parallel Programming. The Go Parallel Website, sponsored by Intel and developed in partnership with Slashdot Media, is your hub for all things parallel software development, from weekly thought leadership blogs to news, videos, case studies, tutorials and more. Take a look and join the conversation now. http://goparallel.sourceforge.net/ _______________________________________________ WiX-users mailing list WiX-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/wix-users