diff --git a/ColorControl/ColorControl.csproj b/ColorControl/ColorControl.csproj
index 9c1557b..2e1c2c5 100644
--- a/ColorControl/ColorControl.csproj
+++ b/ColorControl/ColorControl.csproj
@@ -27,7 +27,7 @@
     <ProductName>ColorControl</ProductName>
     <PublisherName>Maassoft</PublisherName>
     <ApplicationRevision>0</ApplicationRevision>
-    <ApplicationVersion>1.3.1.0</ApplicationVersion>
+    <ApplicationVersion>1.3.2.0</ApplicationVersion>
     <UseApplicationTrust>false</UseApplicationTrust>
     <PublishWizardCompleted>true</PublishWizardCompleted>
     <BootstrapperEnabled>true</BootstrapperEnabled>
diff --git a/ColorControl/LgService.cs b/ColorControl/LgService.cs
index a746abe..15360b5 100644
--- a/ColorControl/LgService.cs
+++ b/ColorControl/LgService.cs
@@ -86,30 +86,26 @@ namespace ColorControl
             File.WriteAllText(_configFilename, json);
         }
 
-        public void RefreshDevices(Action callBack = null)
+        public async Task RefreshDevices(bool connect = true)
         {
-            Utils.GetPnpDevices(LgDeviceSearchKey).ContinueWith((task) =>
+            var devices = await Utils.GetPnpDevices(LgDeviceSearchKey);
+            SetDevices(devices);
+            if (connect && SelectedDevice != null)
             {
-                SetDevicesTask(task);
-                callBack?.Invoke();
-                if (callBack == null && SelectedDevice != null)
+                if (Config.PowerOnAfterStartup && _allowPowerOn)
                 {
-                    if (Config.PowerOnAfterStartup && _allowPowerOn)
-                    {
-                        WakeAndConnectToSelectedDevice(0);
-                    }
-                    else
-                    {
-                        ConnectToSelectedDevice();
-                    }
+                    WakeAndConnectToSelectedDevice(0);
+                }
+                else
+                {
+                    ConnectToSelectedDevice();
                 }
             }
-            );
         }
 
-        private void SetDevicesTask(Task<List<PnpDev>> task)
+        private void SetDevices(List<PnpDev> devices)
         {
-            Devices = task.Result;
+            Devices = devices;
             if (Devices?.Count > 0)
             {
                 var preferredDevice = Devices.FirstOrDefault(x => x.MacAddress != null && x.MacAddress.Equals(Config.PreferredMacAddress)) ?? Devices[0];
diff --git a/ColorControl/MainForm.cs b/ColorControl/MainForm.cs
index 41762ae..bb95b5e 100644
--- a/ColorControl/MainForm.cs
+++ b/ColorControl/MainForm.cs
@@ -1419,7 +1419,7 @@ namespace ColorControl
                     var devices = _lgService.Devices;
                     if (devices == null || !devices.Any())
                     {
-                        _lgService.RefreshDevices(() => BeginInvoke(new Action(FillLgDevices)));
+                        _lgService.RefreshDevices(false).ContinueWith((task) => BeginInvoke(new Action(FillLgDevices)));
                     }
                     else
                     {
diff --git a/ColorControl/NvService.cs b/ColorControl/NvService.cs
index 017d7aa..ce70a09 100644
--- a/ColorControl/NvService.cs
+++ b/ColorControl/NvService.cs
@@ -38,6 +38,7 @@ namespace ColorControl
         };
 
         private Display _currentDisplay;
+        private bool _initialized = false;
 
         public NvService()
         {
@@ -193,11 +194,15 @@ namespace ColorControl
         protected override void Initialize()
         {
             NVIDIA.Initialize();
+            _initialized = true;
         }
 
         protected override void Uninitialize()
         {
-            NVIDIA.Unload();
+            if (_initialized)
+            {
+                NVIDIA.Unload();
+            }
         }
     }
 }
diff --git a/ColorControl/Program.cs b/ColorControl/Program.cs
index a31b045..3add68a 100644
--- a/ColorControl/Program.cs
+++ b/ColorControl/Program.cs
@@ -12,6 +12,12 @@ namespace ColorControl
         [STAThread]
         static void Main(string[] args)
         {
+            var currentDomain = AppDomain.CurrentDomain;
+            // Handler for unhandled exceptions.
+            currentDomain.UnhandledException += GlobalUnhandledExceptionHandler;
+            // Handler for exceptions in threads behind forms.
+            Application.ThreadException += GlobalThreadExceptionHandler;
+
             var startUpParams = StartUpParams.Parse(args);
 
             if (startUpParams.ActivateChromeFontFix || startUpParams.DeactivateChromeFontFix)
@@ -51,5 +57,17 @@ namespace ColorControl
                 }
             }
         }
+
+        private static void GlobalUnhandledExceptionHandler(object sender, UnhandledExceptionEventArgs e)
+        {
+            var ex = (Exception)e.ExceptionObject;
+            MessageBox.Show("Unhandled exception: " + ex.ToLogString(Environment.StackTrace), "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
+        }
+
+        private static void GlobalThreadExceptionHandler(object sender, System.Threading.ThreadExceptionEventArgs e)
+        {
+            var ex = e.Exception;
+            MessageBox.Show("Exception in thread: " + ex.ToLogString(Environment.StackTrace), "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
+        }
     }
 }
diff --git a/ColorControl/Properties/AssemblyInfo.cs b/ColorControl/Properties/AssemblyInfo.cs
index ede13d2..8faa96b 100644
--- a/ColorControl/Properties/AssemblyInfo.cs
+++ b/ColorControl/Properties/AssemblyInfo.cs
@@ -32,5 +32,5 @@ using System.Runtime.InteropServices;
 // You can specify all the values or you can default the Build and Revision Numbers
 // by using the '*' as shown below:
 // [assembly: AssemblyVersion("1.0.*")]
-[assembly: AssemblyVersion("1.3.1.0")]
-[assembly: AssemblyFileVersion("1.3.1.0")]
+[assembly: AssemblyVersion("1.3.2.0")]
+[assembly: AssemblyFileVersion("1.3.2.0")]