Commented Unassigned: RegisterTask fails on windows 10 (Exception from HRESULT: 0x80070005 (E_ACCESSDENIED) [12466]

I am running the example given on https://taskscheduler.codeplex.com/ on my localPC.
__CODE:__
using (TaskService ts = new TaskService())
{
// Create a new task definition and assign properties
TaskDefinition td = ts.NewTask();
td.RegistrationInfo.Description = "Does something";

// Create a trigger that will fire the task at this time every other day
td.Triggers.Add(new DailyTrigger { DaysInterval = 2 });

// Create an action that will launch Notepad whenever the trigger fires
td.Actions.Add(new ExecAction("notepad.exe", "c:\\test.log", null));

// Register the task in the root folder
ts.RootFolder.RegisterTaskDefinition(@"Test", td);
}

I see this Behaviour:
* This fails on Windows 10 PC.
* This works on WIndows 7 PC.
* This works on Windows 10 PC if I start the application as "Run as administrator"


Error Details:__
__Microsoft.Win32.TaskScheduler - Access is denied. (Exception from HRESULT: 0x80070005 (E_ACCESSDENIED))__
at Microsoft.Win32.TaskScheduler.V2Interop.ITaskFolder.RegisterTaskDefinition
at Microsoft.Win32.TaskScheduler.TaskFolder.RegisterTaskDefinition
at Microsoft.Win32.TaskScheduler.TaskFolder.RegisterTaskDefinition

__I want to run the application without using "Run as Administrator" on windows 10. Can you suggest a fix.__
__
Comments: ** Comment from web user: Colecas **

You can see the errors showed by the Troubleshooter, running with my user TestUser4 who belongs to the Administrator group. And also has full rights in the C:\Windows\Task folder. I don't understand why the troubleshooter is showing that.
Do you have an idea?