System.UnauthorizedAccessException: Access is denied. (Exception from HRESULT: 0x80070005 (E_ACCESSDENIED))
at Internal.Windows.Calls.PhoneOm.Exports.PhoneGetState(PH_CALL_INFO[]& callInfos, UInt32& count, PH_PHONE_CALL_COUNTS& callCounts)
at Internal.Windows.Calls.CallManager.UpdateState()
at Internal.Windows.Calls.CallManager..ctor()
at Internal.Windows.Calls.CallManager.<<GetCallManagerAsync>g__impl|1_0>d.MoveNext()
--- End of stack trace from previous location where exception was thrown ---
at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task)
at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
at System.Runtime.CompilerServices.TaskAwaiter`1.GetResult()
at WoADialer.Background.CallSystem.<Initializate>d__24.MoveNext()
--- End of stack trace from previous location where exception was thrown ---
at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task)
at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
at System.Runtime.CompilerServices.TaskAwaiter.GetResult()
at WoADialer.App.<InitializateSystems>d__46.MoveNext()
--- End of stack trace from previous location where exception was thrown ---
at System.Runtime.CompilerServices.TaskAwaiter.ThrowForNonSuccess(Task task)
at System.Runtime.CompilerServices.TaskAwaiter.HandleNonSuccessAndDebuggerNotification(Task task)
at System.Runtime.CompilerServices.TaskAwaiter.GetResult()
at WoADialer.App.<OnLaunchedOrActivated>d__51.MoveNext()
--- End of stack trace from previous location where exception was thrown ---
at System.Runtime.CompilerServices.AsyncMethodBuilderCore.<>c.<ThrowAsync>b__6_0(Object state)
at System.Threading.WinRTSynchronizationContext.Invoker.InvokeCore()
