When I run my application in Release mode, MEF does not import my exports "Unless" I run as Administrator. I tried adding a manifest setting level=requireAdministrator but this didn't help. Here is my MEF code...I'm running Windows 7 .Net 4.0.
var compositionBatch = new CompositionBatch();
compositionBatch.AddPart(this);
_aggregateCatalog = new AggregateCatalog();
_aggregateCatalog.Catalogs.Add(_solverDirectoryCatalog);
compositionContainer.Compose(compositionBatch);