Most likely, you are analyzing the Debug assembly of your Metro style application. Before starting the Windows Application Certificate Set (WACK), be sure to create and deploy it with the Release settings.
If you try to run WACK in the Debug assembly, other tests should also fail, including the “Test debugging application” test, which should tell you that “binary [image name] is embedded in debug mode” and that “The application should not install no debugging files. "
In the default layout settings, the "Again in Windows Security Features" function should also fail because SafeSEH is not enabled in debug builds.
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