http://blogs.msdn.com/b/clrperfblog/archive/2008/06/02/adding-custom-actions-to-ngen-an-assembly-upon-install.aspxThis document details how to use custom actions to Ngen (generate a native image) upon installation of a project. Assemblies that are NGen’ed have better startup performance than those that are JIT’ted: http://msdn.microsoft.com/en-us/magazine/cc163610en-USTelligent Evolution Platform Developer Build (Build: 5.6.50428.7875)