cannot start services

Hi All,

I want to update the SCVMM R2 to roolup 5, I've installed kb3023195_vmmserver_amd64 and kb3023914_AdminConsole_amd64
but no change and services SCVMM can not start.

this is log event viewer :

    <Task>0</Task>

    <Keywords>0x80000000000000</Keywords>

    <TimeCreated SystemTime="2015-03-17T03:19:51.000000000Z" />

    <EventRecordID>3096</EventRecordID>

    <Channel>Application</Channel>

    <Computer>KRSSCVMMSVR01.kairos-it.com</Computer>

    <Security />

  </System>

  <EventData>

    <Data>Service cannot be started. System.Reflection.ReflectionTypeLoadException: Unable to load one or more of the requested types. Retrieve the LoaderExceptions property for more information.

   at System.Reflection.RuntimeModule.GetTypes(RuntimeModule module)

   at System.Reflection.RuntimeModule.GetTypes()

   at System.Reflection.Assembly.GetTypes()

   at Microsoft.VirtualManager.Remoting.IndigoSerializableObject.BuildKnownAssemblyTypes(Assembly assembly)

   at Microsoft.VirtualManager.Remoting.IndigoSerializableObject.InitializeKnownTypesCache(List`1 assembliesToExamine)

   at Microsoft.VirtualManager.Engine.Remoting.IndigoServiceHost.InitializeKnownTypesCache()

   at Microsoft.VirtualManager.Engine.VirtualManagerService.TimeStartupMethod(String description, TimedStartupMethod methodToTime)

   at Microsoft.VirtualManager.Engine.VirtualManagerService.OnStart(String[] args)

   at System.ServiceProcess.ServiceBase.ServiceQueuedMainCallback(Object state)</Data>

  </EventData>

</Event>

Any idea?