diff --git a/Artemis/Artemis/DAL/ProfileProvider.cs b/Artemis/Artemis/DAL/ProfileProvider.cs
index 2b770e74e..5d89fd42c 100644
--- a/Artemis/Artemis/DAL/ProfileProvider.cs
+++ b/Artemis/Artemis/DAL/ProfileProvider.cs
@@ -4,6 +4,7 @@ using System.Diagnostics;
 using System.IO;
 using System.Linq;
 using System.Xml.Serialization;
+using Artemis.KeyboardProviders;
 using Artemis.Models;
 using Artemis.Models.Profiles;
 
@@ -27,10 +28,16 @@ namespace Artemis.DAL
         ///     Get all profiles matching the provided game
         /// </summary>
         /// <param name="game">The game to match</param>
+        /// <param name="keyboard">The keyboard to match</param>
         /// <returns>All profiles matching the provided game</returns>
-        public static List<ProfileModel> GetAll(GameModel game)
+        public static List<ProfileModel> GetAll(GameModel game, KeyboardProvider keyboard)
         {
-            return GetAll().Where(g => g.GameName.Equals(game.Name)).ToList();
+            if (game == null)
+                throw new ArgumentNullException(nameof(game));
+            if (keyboard == null)
+                throw new ArgumentNullException(nameof(keyboard));
+
+            return GetAll().Where(g => g.GameName.Equals(game.Name) && g.KeyboardName.Equals(keyboard.Name)).ToList();
         }
 
         /// <summary>
@@ -40,6 +47,8 @@ namespace Artemis.DAL
         /// <param name="prof">The profile to add or update</param>
         public static void AddOrUpdate(ProfileModel prof)
         {
+            if (prof == null)
+                throw new ArgumentNullException(nameof(prof));
             if (!(prof.GameName?.Length > 1) || !(prof.KeyboardName?.Length > 1) || !(prof.Name?.Length > 1))
                 throw new ArgumentException("Profile is invalid. Name, GameName and KeyboardName are required");
 
diff --git a/Artemis/Artemis/Events/ActiveKeyboardChanged.cs b/Artemis/Artemis/Events/ActiveKeyboardChanged.cs
index fb123dd86..a6656802d 100644
--- a/Artemis/Artemis/Events/ActiveKeyboardChanged.cs
+++ b/Artemis/Artemis/Events/ActiveKeyboardChanged.cs
@@ -1,12 +1,16 @@
-namespace Artemis.Events
+using Artemis.KeyboardProviders;
+
+namespace Artemis.Events
 {
     public class ActiveKeyboardChanged
     {
-        public ActiveKeyboardChanged(string activeKeyboard)
+        public ActiveKeyboardChanged(KeyboardProvider oldKeyboard, KeyboardProvider newKeyboard)
         {
-            ActiveKeyboard = activeKeyboard;
+            OldKeyboard = oldKeyboard;
+            NewKeyboard = newKeyboard;
         }
 
-        public string ActiveKeyboard { get; set; }
+        public KeyboardProvider OldKeyboard { get; set; }
+        public KeyboardProvider NewKeyboard { get; set; }
     }
 }
\ No newline at end of file
diff --git a/Artemis/Artemis/InjectionModules/BaseModules.cs b/Artemis/Artemis/InjectionModules/BaseModules.cs
index 8e895bfb1..46c2fcd2a 100644
--- a/Artemis/Artemis/InjectionModules/BaseModules.cs
+++ b/Artemis/Artemis/InjectionModules/BaseModules.cs
@@ -17,6 +17,7 @@ namespace Artemis.InjectionModules
             Bind<IScreen>().To<ShellViewModel>().InSingletonScope();
             Bind<IProfileEditorViewModelFactory>().ToFactory();
 
+            Bind<BaseViewModel>().To<WelcomeViewModel>().InSingletonScope();
             Bind<BaseViewModel>().To<EffectsViewModel>().InSingletonScope();
             Bind<BaseViewModel>().To<GamesViewModel>().InSingletonScope();
             Bind<BaseViewModel>().To<OverlaysViewModel>().InSingletonScope();
diff --git a/Artemis/Artemis/KeyboardProviders/Corsair/CorsairRGB.cs b/Artemis/Artemis/KeyboardProviders/Corsair/CorsairRGB.cs
index 93069f2c2..5e0bf0fb8 100644
--- a/Artemis/Artemis/KeyboardProviders/Corsair/CorsairRGB.cs
+++ b/Artemis/Artemis/KeyboardProviders/Corsair/CorsairRGB.cs
@@ -123,17 +123,10 @@ namespace Artemis.KeyboardProviders.Corsair
         /// <param name="bitmap"></param>
         public override void DrawBitmap(Bitmap bitmap)
         {
-            var fixedBmp = new Bitmap(bitmap.Width, bitmap.Height);
-            using (var g = Graphics.FromImage(fixedBmp))
-            {
-                g.Clear(Color.Black);
-                g.DrawImage(bitmap, 0, 0);
-            }
-
-            var fixedImage = ImageUtilities.ResizeImage(fixedBmp, Width, Height);
+            var image = ImageUtilities.ResizeImage(bitmap, Width, Height);
             var brush = new ImageBrush
             {
-                Image = fixedImage
+                Image = image
             };
 
             _keyboard.Brush = brush;
diff --git a/Artemis/Artemis/Managers/EffectManager.cs b/Artemis/Artemis/Managers/EffectManager.cs
index 43329a0c6..654d11d92 100644
--- a/Artemis/Artemis/Managers/EffectManager.cs
+++ b/Artemis/Artemis/Managers/EffectManager.cs
@@ -79,6 +79,9 @@ namespace Artemis.Managers
         /// <param name="e"></param>
         private void SetupProfilePreview(object sender, ElapsedEventArgs e)
         {
+            if (_keyboardManager.ChangingKeyboard)
+                return;
+            
             // Make sure the preview model should still be active
             if (ActiveEffect is ProfilePreviewModel)
             {
@@ -133,41 +136,39 @@ namespace Artemis.Managers
             if (effectModel is OverlayModel)
                 throw new ArgumentException("Can't set an Overlay effect as the active effect");
 
-            lock (_keyboardManager)
+            if (_keyboardManager.ActiveKeyboard == null)
+                _keyboardManager.EnableLastKeyboard();
+            // If still null, no last keyboard, so stop.
+            if (_keyboardManager.ActiveKeyboard == null)
+                return;
+
+            // Game models are only used if they are enabled
+            var gameModel = effectModel as GameModel;
+            if (gameModel != null)
+                if (!gameModel.Enabled)
+                    return;
+
+            var wasNull = false;
+            if (ActiveEffect == null)
             {
-                lock (this)
-                {
-                    if (_keyboardManager.ActiveKeyboard == null)
-                        _keyboardManager.EnableLastKeyboard();
-                    // If still null, no last keyboard, so stop.
-                    if (_keyboardManager.ActiveKeyboard == null)
-                        return;
+                wasNull = true;
+                ActiveEffect = effectModel;
+            }
 
-                    // Game models are only used if they are enabled
-                    var gameModel = effectModel as GameModel;
-                    if (gameModel != null)
-                        if (!gameModel.Enabled)
-                            return;
+            lock (ActiveEffect)
+            {
+                if (!wasNull)
+                    ActiveEffect.Dispose();
 
-                    var wasNull = false;
-                    if (ActiveEffect == null)
-                    {
-                        wasNull = true;
-                        ActiveEffect = effectModel;
-                    }
-                    if (!wasNull)
-                        ActiveEffect.Dispose();
+                ActiveEffect = effectModel;
+                ActiveEffect.Enable();
 
-                    ActiveEffect = effectModel;
-                    ActiveEffect.Enable();
+                if (ActiveEffect is GameModel || ActiveEffect is ProfilePreviewModel)
+                    return;
 
-                    if (ActiveEffect is GameModel || ActiveEffect is ProfilePreviewModel)
-                        return;
-
-                    // Non-game effects are stored as the new LastEffect.
-                    General.Default.LastEffect = ActiveEffect?.Name;
-                    General.Default.Save();
-                }
+                // Non-game effects are stored as the new LastEffect.
+                General.Default.LastEffect = ActiveEffect?.Name;
+                General.Default.Save();
             }
 
             if (loopManager != null && !loopManager.Running)
@@ -185,18 +186,19 @@ namespace Artemis.Managers
         /// </summary>
         public void ClearEffect()
         {
-            lock (_keyboardManager)
-            {
-                lock (this)
-                {
-                    ActiveEffect.Dispose();
-                    ActiveEffect = null;
+            if (ActiveEffect == null)
+                return;
 
-                    General.Default.LastEffect = null;
-                    General.Default.Save();
-                }
+            lock (ActiveEffect)
+            {
+                ActiveEffect.Dispose();
+                ActiveEffect = null;
+
+                General.Default.LastEffect = null;
+                General.Default.Save();
             }
 
+
             _logger.Debug("Cleared active effect");
         }
 
diff --git a/Artemis/Artemis/Managers/KeyboardManager.cs b/Artemis/Artemis/Managers/KeyboardManager.cs
index 5d0e72ad1..bceff508b 100644
--- a/Artemis/Artemis/Managers/KeyboardManager.cs
+++ b/Artemis/Artemis/Managers/KeyboardManager.cs
@@ -18,7 +18,6 @@ namespace Artemis.Managers
     {
         private readonly IEventAggregator _events;
         private readonly ILogger _logger;
-        private KeyboardProvider _activeKeyboard;
 
         public KeyboardManager(IEventAggregator events, ILogger logger, List<KeyboardProvider> keyboardProviders)
         {
@@ -36,16 +35,9 @@ namespace Artemis.Managers
 
         public List<KeyboardProvider> KeyboardProviders { get; set; }
 
-        public KeyboardProvider ActiveKeyboard
-        {
-            get { return _activeKeyboard; }
-            set
-            {
-                _activeKeyboard = value;
-                // Let the ViewModels know
-                _events.PublishOnUIThread(new ActiveKeyboardChanged(value?.Name));
-            }
-        }
+        public KeyboardProvider ActiveKeyboard { get; set; }
+
+        public bool ChangingKeyboard { get; private set; }
 
         /// <summary>
         ///     Enables the last keyboard according to the settings file
@@ -68,11 +60,19 @@ namespace Artemis.Managers
         {
             lock (this)
             {
+                ChangingKeyboard = true;
+
                 if (keyboardProvider == null)
                     throw new ArgumentNullException(nameof(keyboardProvider));
 
                 if (ActiveKeyboard?.Name == keyboardProvider.Name)
+                {
+                    ChangingKeyboard = false;
                     return;
+                }
+
+                // Store the old keyboard so it can be used in the event we're raising later
+                var oldKeyboard = ActiveKeyboard;
 
                 var wasNull = false;
                 if (ActiveKeyboard == null)
@@ -94,6 +94,7 @@ namespace Artemis.Managers
                     General.Default.LastKeyboard = null;
                     General.Default.Save();
                     _logger.Warn("Failed enabling keyboard: {0}", keyboardProvider.Name);
+                    ChangingKeyboard = false;
                     return;
                 }
 
@@ -102,6 +103,9 @@ namespace Artemis.Managers
 
                 General.Default.LastKeyboard = ActiveKeyboard.Name;
                 General.Default.Save();
+
+                ChangingKeyboard = false;
+                _events.PublishOnUIThread(new ActiveKeyboardChanged(oldKeyboard, ActiveKeyboard));
                 _logger.Debug("Enabled keyboard: {0}", keyboardProvider.Name);
             }
         }
@@ -116,9 +120,17 @@ namespace Artemis.Managers
                 if (ActiveKeyboard == null)
                     return;
 
+                // Store the old keyboard so it can be used in the event we're raising later
+                var oldKeyboard = ActiveKeyboard;
+
                 var releaseName = ActiveKeyboard.Name;
                 ActiveKeyboard.Disable();
                 ActiveKeyboard = null;
+
+                General.Default.LastKeyboard = null;
+                General.Default.Save();
+
+                _events.PublishOnUIThread(new ActiveKeyboardChanged(oldKeyboard, null));
                 _logger.Debug("Released keyboard: {0}", releaseName);
             }
         }
diff --git a/Artemis/Artemis/Managers/LoopManager.cs b/Artemis/Artemis/Managers/LoopManager.cs
index 7d855ecd7..1e8d21312 100644
--- a/Artemis/Artemis/Managers/LoopManager.cs
+++ b/Artemis/Artemis/Managers/LoopManager.cs
@@ -1,4 +1,5 @@
 using System;
+using System.Drawing;
 using System.Timers;
 using Artemis.Events;
 using Caliburn.Micro;
@@ -57,7 +58,6 @@ namespace Artemis.Managers
                 return;
             }
 
-            // TODO: Deadlock maybe? I don't know what Resharper is on about
             if (_effectManager.ActiveEffect == null)
             {
                 var lastEffect = _effectManager.GetLastEffect();
@@ -88,6 +88,18 @@ namespace Artemis.Managers
             if (!Running)
                 return;
 
+            // Stop if no active effect
+            if (_effectManager.ActiveEffect == null)
+            {
+                _logger.Debug("No active effect, stopping");
+                Stop();
+                return;
+            }
+            var renderEffect = _effectManager.ActiveEffect;
+
+            if (_keyboardManager.ChangingKeyboard)
+                return;
+
             // Stop if no active keyboard
             if (_keyboardManager.ActiveKeyboard == null)
             {
@@ -95,50 +107,47 @@ namespace Artemis.Managers
                 Stop();
                 return;
             }
-            // Lock both the active keyboard and active effect so they will not change while rendering.
-            lock (_keyboardManager)
+
+            lock (_keyboardManager.ActiveKeyboard)
             {
-                lock (_effectManager)
+                // Skip frame if effect is still initializing
+                if (renderEffect.Initialized == false)
+                    return;
+
+                // Update the current effect
+                if (renderEffect.Initialized)
+                    renderEffect.Update();
+
+                // Get ActiveEffect's bitmap
+                var bitmap = renderEffect.Initialized
+                    ? renderEffect.GenerateBitmap()
+                    : null;
+
+                // Draw enabled overlays on top
+                foreach (var overlayModel in _effectManager.EnabledOverlays)
                 {
-                    // Stop if no active effect
-                    if (_effectManager.ActiveEffect == null)
-                    {
-                        _logger.Debug("No active effect, stopping");
-                        Stop();
-                        return;
-                    }
-
-                    // Skip frame if effect is still initializing
-                    if (_effectManager.ActiveEffect.Initialized == false)
-                        return;
-
-                    // Update the current effect
-                    if (_effectManager.ActiveEffect.Initialized)
-                        _effectManager.ActiveEffect.Update();
-
-                    // Get ActiveEffect's bitmap
-                    var bitmap = _effectManager.ActiveEffect.Initialized
-                        ? _effectManager.ActiveEffect.GenerateBitmap()
-                        : null;
-
-                    // Draw enabled overlays on top
-                    foreach (var overlayModel in _effectManager.EnabledOverlays)
-                    {
-                        overlayModel.Update();
-                        bitmap = bitmap != null
-                            ? overlayModel.GenerateBitmap(bitmap)
-                            : overlayModel.GenerateBitmap();
-                    }
-
-                    if (bitmap == null)
-                        return;
-
-                    // If it exists, send bitmap to the device
-                    _keyboardManager.ActiveKeyboard.DrawBitmap(bitmap);
-
-                    // debugging TODO: Disable when window isn't shown (in Debug VM, or get rid of it, w/e)
-                    _events.PublishOnUIThread(new ChangeBitmap(bitmap));
+                    overlayModel.Update();
+                    bitmap = bitmap != null
+                        ? overlayModel.GenerateBitmap(bitmap)
+                        : overlayModel.GenerateBitmap();
                 }
+
+                if (bitmap == null)
+                    return;
+
+                // Fill the bitmap's background with blackness to avoid trailing colors on some keyboards
+                using (var g = Graphics.FromImage(bitmap))
+                {
+                    var preFix = (Bitmap)bitmap.Clone();
+                    g.Clear(Color.Black);
+                    g.DrawImage(preFix, 0, 0);
+                }
+
+                // If it exists, send bitmap to the device
+                _keyboardManager.ActiveKeyboard?.DrawBitmap(bitmap);
+
+                // debugging TODO: Disable when window isn't shown (in Debug VM, or get rid of it, w/e)
+                _events.PublishOnUIThread(new ChangeBitmap(bitmap));
             }
         }
     }
diff --git a/Artemis/Artemis/Modules/Effects/Debug/DebugEffectModel.cs b/Artemis/Artemis/Modules/Effects/Debug/DebugEffectModel.cs
index d8e6fc79f..317b99b53 100644
--- a/Artemis/Artemis/Modules/Effects/Debug/DebugEffectModel.cs
+++ b/Artemis/Artemis/Modules/Effects/Debug/DebugEffectModel.cs
@@ -35,13 +35,8 @@ namespace Artemis.Modules.Effects.Debug
 
             KeyboardRectangle = new KeyboardRectangle(MainManager.KeyboardManager.ActiveKeyboard, 0, 0, new List<Color>
             {
-                Color.Red,
-                Color.OrangeRed,
-                Color.Yellow,
-                Color.Green,
-                Color.Blue,
-                Color.Purple,
-                Color.DeepPink
+                Color.FromArgb(0, 226, 190),
+                Color.FromArgb(0, 208, 255)
             }, LinearGradientMode.Horizontal);
 
             Initialized = true;
diff --git a/Artemis/Artemis/ViewModels/Abstract/GameViewModel.cs b/Artemis/Artemis/ViewModels/Abstract/GameViewModel.cs
index dec3ef5ec..25e8c3516 100644
--- a/Artemis/Artemis/ViewModels/Abstract/GameViewModel.cs
+++ b/Artemis/Artemis/ViewModels/Abstract/GameViewModel.cs
@@ -1,5 +1,4 @@
-using System;
-using System.ComponentModel;
+using System.ComponentModel;
 using System.Threading;
 using System.Threading.Tasks;
 using Artemis.InjectionFactories;
@@ -16,7 +15,6 @@ namespace Artemis.ViewModels.Abstract
     public abstract class GameViewModel : Screen
     {
         private GameSettings _gameSettings;
-        private bool _startLoopManager;
 
         protected GameViewModel(MainManager mainManager, GameModel gameModel, IEventAggregator events,
             IProfileEditorViewModelFactory pFactory)
@@ -34,6 +32,7 @@ namespace Artemis.ViewModels.Abstract
 
         [Inject]
         public ILogger Logger { get; set; }
+
         [Inject]
         public ProfilePreviewModel ProfilePreviewModel { get; set; }
 
@@ -94,39 +93,38 @@ namespace Artemis.ViewModels.Abstract
         protected override void OnActivate()
         {
             base.OnActivate();
-            SetEditorShown(true);
-
-            // OnActivate gets called at odd times, only start the LoopManager if it's been active
-            // for 600ms.
-            _startLoopManager = true;
-            Task.Factory.StartNew(() =>
-            {
-                Thread.Sleep(600);
-                if (MainManager.LoopManager.Running || !_startLoopManager)
-                    return;
-
-                Logger.Debug("Starting LoopManager for profile preview");
-                MainManager.LoopManager.Start();
-            });
+            Task.Factory.StartNew(HandleActivationSwitch);
         }
 
         protected override void OnDeactivate(bool close)
         {
             base.OnDeactivate(close);
-            SetEditorShown(false);
-
-            _startLoopManager = false;
+            Task.Factory.StartNew(HandleActivationSwitch);
         }
 
-        public void SetEditorShown(bool enable)
+        private void HandleActivationSwitch()
         {
-            MainManager.EffectManager.ProfilePreviewModel = ProfilePreviewModel;
-            MainManager.EffectManager.ProfilePreviewModel.SelectedProfile = enable ? ProfileEditor.SelectedProfile : null;
+            Thread.Sleep(600);
+            if (IsActive)
+            {
+                if (!MainManager.LoopManager.Running)
+                {
+                    Logger.Debug("Starting LoopManager for profile preview");
+                    MainManager.LoopManager.Start();
+                }
+                MainManager.EffectManager.ProfilePreviewModel = ProfilePreviewModel;
+                ProfilePreviewModel.SelectedProfile = ProfileEditor.SelectedProfile;
+            }
+            else
+            {
+                MainManager.EffectManager.ProfilePreviewModel = ProfilePreviewModel;
+                ProfilePreviewModel.SelectedProfile = null;
+            }
         }
 
         private void ProfileUpdater(object sender, PropertyChangedEventArgs e)
         {
-            if (e.PropertyName != "SelectedProfile")
+            if (e.PropertyName != "SelectedProfile" && IsActive)
                 return;
 
             GameModel.Profile = ProfileEditor.SelectedProfile;
diff --git a/Artemis/Artemis/ViewModels/Flyouts/FlyoutSettingsViewModel.cs b/Artemis/Artemis/ViewModels/Flyouts/FlyoutSettingsViewModel.cs
index a34568039..ee4379427 100644
--- a/Artemis/Artemis/ViewModels/Flyouts/FlyoutSettingsViewModel.cs
+++ b/Artemis/Artemis/ViewModels/Flyouts/FlyoutSettingsViewModel.cs
@@ -48,7 +48,8 @@ namespace Artemis.ViewModels.Flyouts
         {
             get
             {
-                var collection = new BindableCollection<string>(MainManager.KeyboardManager.KeyboardProviders.Select(k => k.Name));
+                var collection =
+                    new BindableCollection<string>(MainManager.KeyboardManager.KeyboardProviders.Select(k => k.Name));
                 collection.Insert(0, "None");
                 return collection;
             }
@@ -70,7 +71,6 @@ namespace Artemis.ViewModels.Flyouts
             get { return MainManager.ProgramEnabled; }
             set
             {
-
                 if (value)
                     MainManager.EnableProgram();
                 else
@@ -111,7 +111,8 @@ namespace Artemis.ViewModels.Flyouts
                 return;
 
             _logger.Debug("Handling SelectedKeyboard change in UI");
-            var keyboard = MainManager.KeyboardManager.KeyboardProviders.FirstOrDefault(k => k.Name == SelectedKeyboardProvider);
+            var keyboard = MainManager.KeyboardManager.KeyboardProviders
+                .FirstOrDefault(k => k.Name == SelectedKeyboardProvider);
             if (keyboard != null)
             {
                 MainManager.KeyboardManager.EnableKeyboard(keyboard);
@@ -119,7 +120,6 @@ namespace Artemis.ViewModels.Flyouts
             }
             else
                 MainManager.KeyboardManager.ReleaseActiveKeyboard();
-
         }
 
         public void ToggleEnabled()
diff --git a/Artemis/Artemis/ViewModels/ProfileEditorViewModel.cs b/Artemis/Artemis/ViewModels/ProfileEditorViewModel.cs
index ca1a6dccf..01e510ce8 100644
--- a/Artemis/Artemis/ViewModels/ProfileEditorViewModel.cs
+++ b/Artemis/Artemis/ViewModels/ProfileEditorViewModel.cs
@@ -212,7 +212,10 @@ namespace Artemis.ViewModels
         private void LoadProfiles()
         {
             Profiles.Clear();
-            Profiles.AddRange(ProfileProvider.GetAll(_gameModel));
+            if (_gameModel == null || ActiveKeyboard == null)
+                return;
+
+            Profiles.AddRange(ProfileProvider.GetAll(_gameModel, ActiveKeyboard));
             SelectedProfile = Profiles.FirstOrDefault();
         }
 
diff --git a/Artemis/Artemis/ViewModels/ShellViewModel.cs b/Artemis/Artemis/ViewModels/ShellViewModel.cs
index 67e0b79b9..b04887ff6 100644
--- a/Artemis/Artemis/ViewModels/ShellViewModel.cs
+++ b/Artemis/Artemis/ViewModels/ShellViewModel.cs
@@ -10,10 +10,12 @@ namespace Artemis.ViewModels
     {
         private readonly BaseViewModel[] _viewModels;
 
-        public ShellViewModel(BaseViewModel[] viewModels, IKernel kernel)
+        public ShellViewModel(IKernel kernel, IEventAggregator events, BaseViewModel[] viewModels)
         {
             _viewModels = viewModels;
 
+            events.Subscribe(this);
+
             // Setup UI
             DisplayName = "Artemis";
             Flyouts = new BindableCollection<FlyoutBaseViewModel>
diff --git a/Artemis/Artemis/ViewModels/WelcomeViewModel.cs b/Artemis/Artemis/ViewModels/WelcomeViewModel.cs
index 9b91abe16..4d8f23524 100644
--- a/Artemis/Artemis/ViewModels/WelcomeViewModel.cs
+++ b/Artemis/Artemis/ViewModels/WelcomeViewModel.cs
@@ -1,9 +1,9 @@
 using System.Diagnostics;
-using Caliburn.Micro;
+using Artemis.ViewModels.Abstract;
 
 namespace Artemis.ViewModels
 {
-    public sealed class WelcomeViewModel : Screen
+    public sealed class WelcomeViewModel : BaseViewModel
     {
         public WelcomeViewModel()
         {