Fixed an UnauthorizedAccessException in the StartupManager. The exception occurred when the application was running without administrator rights. A task for the current user could be created manually, but RegisterTaskDefinition somehow always throws an UnauthorizedAccessException. The current fix restricts the TaskScheduler startup method to accounts with administrator rights.

System.UnauthorizedAccessException: Access is denied. (Exception from HRESULT: 0x80070005 (E_ACCESSDENIED))
at OpenHardwareMonitor.TaskScheduler.ITaskFolder.RegisterTaskDefinition(String Path, ITaskDefinition pDefinition, Int32 flags, Object UserId, Object password, TASK_LOGON_TYPE LogonType, Object sddl)
at OpenHardwareMonitor.GUI.StartupManager.CreateSchedulerTask()
at OpenHardwareMonitor.GUI.StartupManager.set_Startup(Boolean value)
at OpenHardwareMonitor.GUI.MainForm.runOnWindowsStartupToolStripMenuItem_CheckedChanged(Object sender, EventArgs e)
at System.Windows.Forms.ToolStripMenuItem.OnCheckedChanged(EventArgs e)
at System.Windows.Forms.ToolStripMenuItem.set_CheckState(CheckState value)
at System.Windows.Forms.ToolStripMenuItem.set_Checked(Boolean value)
at System.Windows.Forms.ToolStripMenuItem.OnClick(EventArgs e)
at System.Windows.Forms.ToolStripItem.HandleClick(EventArgs e)
at System.Windows.Forms.ToolStripItem.HandleMouseUp(MouseEventArgs e)
at System.Windows.Forms.ToolStripItem.FireEventInteractive(EventArgs e, ToolStripItemEventType met)
at System.Windows.Forms.ToolStripItem.FireEvent(EventArgs e, ToolStripItemEventType met)
at System.Windows.Forms.ToolStrip.OnMouseUp(MouseEventArgs mea)
at System.Windows.Forms.ToolStripDropDown.OnMouseUp(MouseEventArgs mea)
at System.Windows.Forms.Control.WmMouseUp(Message& m, MouseButtons button, Int32 clicks)
at System.Windows.Forms.Control.WndProc(Message& m)
at System.Windows.Forms.ScrollableControl.WndProc(Message& m)
at System.Windows.Forms.ToolStrip.WndProc(Message& m)
at System.Windows.Forms.ToolStripDropDown.WndProc(Message& m)
at System.Windows.Forms.Control.ControlNativeWindow.OnMessage(Message& m)
at System.Windows.Forms.Control.ControlNativeWindow.WndProc(Message& m)
at System.Windows.Forms.NativeWindow.Callback(IntPtr hWnd, Int32 msg, IntPtr wparam, IntPtr lparam)

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