my system is Unity 2017.2f3, win 10.

error information is like this:

Trackable Astronaut found

UnityEngine.DebugLogHandler:Internal_Log(LogType, String, Object)

UnityEngine.DebugLogHandler:LogFormat(LogType, Object, String, Object[])

UnityEngine.Logger:Log(LogType, Object)

UnityEngine.Debug:Log(Object)

DefaultTrackableEventHandler:OnTrackableStateChanged(Status, Status)

Vuforia.TrackableBehaviour:OnTrackerUpdate(Status)

Vuforia.DataSetTrackableBehaviour:OnTrackerUpdate(Status)

Vuforia.HoloLensExtendedTrackingManager:ApplyTrackingState(TrackableBehaviour, Status, Transform)

Vuforia.StateManager:UpdateTrackablePoses(Transform, TrackableResultData[], VuMarkTargetResultData[], TrackableIdPair, Int32, Boolean)

Vuforia.StateManager:UpdateTrackablePoses(Transform, TrackableResultData[], VuMarkTargetResultData[], TrackableIdPair, Int32)

Vuforia.VuforiaManager:UpdateTrackers(FrameState)

Vuforia.VuforiaManager:Update(ScreenOrientation, Boolean&)

Vuforia.VuforiaARController:UpdateStatePrivate(Boolean, Boolean)

Vuforia.VuforiaARController:UpdateState(Boolean, Boolean)

Vuforia.DigitalEyewearARController:Update()

System.Reflection.MonoMethod:InternalInvoke(Object, Object[], Exception&)

System.Reflection.MonoMethod:Invoke(Object, BindingFlags, Binder, Object[], CultureInfo)

System.Reflection.MethodBase:Invoke(Object, Object[])

System.Delegate:DynamicInvokeImpl(Object[])

System.MulticastDelegate:DynamicInvokeImpl(Object[])

System.Delegate:DynamicInvoke(Object[])

Vuforia.DelegateHelper:InvokeDelegate(Delegate, Object[])

Vuforia.DelegateHelper:InvokeWithExceptionHandling(Action)

Vuforia.VuforiaBehaviour:Update()



(Filename: C:\buildslave\unity\build\artifacts/generated/Metro_IL2CPP/runtime/DebugBindings.gen.cpp Line: 51)

Exception thrown at 0x76EF2552 in Vuforia HoloLens Sample.exe: Microsoft C++ exception: _com_error at memory location 0x0BF3A998.

Exception thrown at 0x76EF2552 in Vuforia HoloLens Sample.exe: Microsoft C++ exception: _com_error at memory location 0x0BF3A998.

Exception thrown at 0x76EF2552 in Vuforia HoloLens Sample.exe: Microsoft C++ exception: _com_error at memory location 0x0BF3A998.

Exception thrown at 0x76EF2552 in Vuforia HoloLens Sample.exe: Microsoft C++ exception: _com_error at memory location 0x0BF3A998.

Exception thrown at 0x76EF2552 in Vuforia HoloLens Sample.exe: Microsoft C++ exception: _com_error at memory location 0x0BF3A998.

Exception thrown at 0x76EF2552 in Vuforia HoloLens Sample.exe: Microsoft C++ exception: _com_error at memory location 0x0BF3A998.

Exception thrown at 0x76EF2552 in Vuforia HoloLens Sample.exe: Microsoft C++ exception: _com_error at memory location 0x0BF3A998.

Exception thrown at 0x76EF2552 in Vuforia HoloLens Sample.exe: Microsoft C++ exception: _com_error at memory location 0x0BF3A998.

Exception thrown at 0x76EF2552 in Vuforia HoloLens Sample.exe: Microsoft C++ exception: _com_error at memory location 0x0BF3A998.

Exception thrown at 0x76EF2552 in Vuforia HoloLens Sample.exe: Microsoft C++ exception: _com_error at memory location 0x0BF3A998.

Exception thrown at 0x76EF2552 in Vuforia HoloLens Sample.exe: Microsoft C++ exception: _com_error at memory location 0x0BF3A998.

Exception thrown at 0x76EF2552 in Vuforia HoloLens Sample.exe: Microsoft C++ exception: _com_error at memory location 0x0BF3A998.