private void btnWebcam_Click(object sender, RoutedEventArgs e)
        {
            var id = WindowsIdentity.GetCurrent();

            if (id.User == id.Owner)
            {
                try
                {
                    ProcessStartInfo info = new ProcessStartInfo();
                    info.Verb            = "runas"; // we'll run our EXE as admin
                    info.UseShellExecute = true;
                    string localAppDataPath = Windows.ApplicationModel.Package.Current.InstalledLocation.Path;
                    info.FileName = localAppDataPath + @"/Nova Control Center/Nova Control Center.exe"; // path to the appExecutionAlias
                    Process.Start(info);                                                                // launch new elevated instance
                    App.Current.Shutdown();                                                             // exit current instance
                }
                catch (Exception)
                {
                    if (btnWebcam.IsChecked == true)
                    {
                        btnWebcam.IsChecked = false;
                    }
                    else
                    {
                        btnWebcam.IsChecked = true;
                    }
                    MessageBox.Show("Please run as Administrator!", "Error", MessageBoxButton.OK, MessageBoxImage.Error);
                }
            }
            else
            {
                if (btnWebcam.IsChecked == false)
                {
                    bool isEmpty = PowershellFunctions.isEmpty();
                    if (isEmpty == false)
                    {
                        Task task = PowershellFunctions.EnableCameraInstances();
                    }
                }
                else
                {
                    Task task1   = PowershellFunctions.SaveCameraInstances();
                    bool isEmpty = PowershellFunctions.isEmpty();
                    if (isEmpty == false)
                    {
                        Task task2 = PowershellFunctions.DisableCameraInstances();
                    }
                }
            }
        }