diff --git a/Service/Service.csproj b/Service/Service.csproj
index c6e3835..e2023b3 100644
--- a/Service/Service.csproj
+++ b/Service/Service.csproj
@@ -11,9 +11,9 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="LibreHardwareMonitorLib" Version="0.9.5" />
+    <PackageReference Include="LibreHardwareMonitorLib" Version="0.9.6" />
     <PackageReference Include="PipeMethodCalls" Version="4.0.3" />
-    <PackageReference Include="Serilog" Version="4.3.0" />
+    <PackageReference Include="Serilog" Version="4.3.1" />
     <PackageReference Include="Serilog.Sinks.File" Version="7.0.0" />
     <PackageReference Include="TaskScheduler" Version="2.12.2" />
   </ItemGroup>
diff --git a/StatusWindow/App.xaml.cs b/StatusWindow/App.xaml.cs
index 503bf5e..4266d44 100644
--- a/StatusWindow/App.xaml.cs
+++ b/StatusWindow/App.xaml.cs
@@ -8,7 +8,7 @@ namespace HardwareMonitorStatusWindow.StatusWindow;
 
 public partial class App
 {
-    private List<IDisposable> _windowSourceList;
+    private List<IDisposable>? _windowSourceList;
 
     protected override void OnStartup(StartupEventArgs e)
     {
@@ -30,7 +30,7 @@ public partial class App
 
     protected override void OnExit(ExitEventArgs e)
     {
-        _windowSourceList.ForEach(ws => ws.Dispose());
+        _windowSourceList?.ForEach(ws => ws.Dispose());
 
         base.OnExit(e);
     }
diff --git a/StatusWindow/Data.cs b/StatusWindow/Data.cs
index 3848542..b120b31 100644
--- a/StatusWindow/Data.cs
+++ b/StatusWindow/Data.cs
@@ -6,15 +6,16 @@ using System.Collections.ObjectModel;
 using System.Linq;
 using System.Text.Json;
 using System.Threading.Tasks;
+using Serilog;
 
 namespace HardwareMonitorStatusWindow.StatusWindow;
 
 internal static class Data
 {
-    private static PipeClient<IHardwareMonitorService> _pipeClient;
-    private static IEnumerable<Hardware> _hardware;
+    private static PipeClient<IHardwareMonitorService>? _pipeClient;
+    private static IEnumerable<Hardware>? _hardware;
 
-    internal static ObservableCollection<SensorEntry> SensorEntries { get; set; }
+    internal static ObservableCollection<SensorEntry> SensorEntries { get; set; } = [];
 
     internal static async Task LoadComputer()
     {
@@ -25,7 +26,7 @@ internal static class Data
         }
         catch (Exception exception)
         {
-
+            Log.Error(exception, "");
         }
     }
 
@@ -36,14 +37,14 @@ internal static class Data
 
     internal static void CloseComputer()
     {
-        _pipeClient.Dispose();
+        _pipeClient?.Dispose();
     }
 
-    internal static IList<Hardware> ComputerHardware => _hardware.ToList();
+    internal static IList<Hardware> ComputerHardware => _hardware?.ToList() ?? [];
 
     internal static void Load()
     {
-        SensorEntries = JsonSerializer.Deserialize<ObservableCollection<SensorEntry>>(Settings.Default.Sensors);
+        SensorEntries = JsonSerializer.Deserialize<ObservableCollection<SensorEntry>>(Settings.Default.Sensors) ?? [];
     }
 
     internal static void Save()
diff --git a/StatusWindow/DataErrorDictionary.cs b/StatusWindow/DataErrorDictionary.cs
index ed6f4d4..3bdcf63 100644
--- a/StatusWindow/DataErrorDictionary.cs
+++ b/StatusWindow/DataErrorDictionary.cs
@@ -7,15 +7,18 @@ namespace HardwareMonitorStatusWindow.StatusWindow;
 
 internal class DataErrorDictionary : Dictionary<string, List<string>>
 {
-    public event EventHandler<DataErrorsChangedEventArgs> ErrorsChanged;
+    public event EventHandler<DataErrorsChangedEventArgs>? ErrorsChanged;
 
     private void OnErrorsChanged(string propertyName)
     {
         ErrorsChanged?.Invoke(this, new DataErrorsChangedEventArgs(propertyName));
     }
 
-    public IEnumerable GetErrors(string propertyName)
+    public IEnumerable? GetErrors(string? propertyName)
     {
+        if (propertyName == null)
+            return null;
+
         return TryGetValue(propertyName, out var value) ? value : null;
     }
 
diff --git a/StatusWindow/SensorEntry.cs b/StatusWindow/SensorEntry.cs
index 22b9ab3..8a50eeb 100644
--- a/StatusWindow/SensorEntry.cs
+++ b/StatusWindow/SensorEntry.cs
@@ -11,15 +11,14 @@ namespace HardwareMonitorStatusWindow.StatusWindow;
 
 public class SensorEntry : INotifyDataErrorInfo, INotifyPropertyChanged
 {
-    private readonly DataErrorDictionary _dataErrorDictionary;
+    private readonly DataErrorDictionary _dataErrorDictionary = new();
 
     public SensorEntry()
     {
-        _dataErrorDictionary = new DataErrorDictionary();
         _dataErrorDictionary.ErrorsChanged += DataErrorDictionaryErrorsChanged;
     }
 
-    public string Label
+    public string? Label
     {
         get;
         set
@@ -31,7 +30,7 @@ public class SensorEntry : INotifyDataErrorInfo, INotifyPropertyChanged
         }
     }
 
-    public string HardwareId
+    public string? HardwareId
     {
         get;
         set
@@ -41,7 +40,7 @@ public class SensorEntry : INotifyDataErrorInfo, INotifyPropertyChanged
         }
     }
 
-    public string SensorId
+    public string? SensorId
     {
         get;
         set
@@ -52,7 +51,7 @@ public class SensorEntry : INotifyDataErrorInfo, INotifyPropertyChanged
     }
 
     [JsonIgnore]
-    public Hardware? Hardware => Data.ComputerHardware.FirstOrDefault(h => h.Identifier.ToString() == HardwareId);
+    public Hardware? Hardware => Data.ComputerHardware?.FirstOrDefault(h => h.Identifier.ToString() == HardwareId);
 
     [JsonIgnore]
     public Sensor? Sensor => Hardware?.Sensors.FirstOrDefault(s => s.Identifier.ToString() == SensorId);
@@ -60,19 +59,22 @@ public class SensorEntry : INotifyDataErrorInfo, INotifyPropertyChanged
     [JsonIgnore]
     public bool HasErrors => _dataErrorDictionary.Any();
 
-    public IEnumerable GetErrors(string propertyName)
+    public IEnumerable GetErrors(string? propertyName)
     {
-        return _dataErrorDictionary.GetErrors(propertyName);
+        if (string.IsNullOrWhiteSpace(propertyName))
+            throw new InvalidOperationException();
+
+        return _dataErrorDictionary.GetErrors(propertyName) ?? Enumerable.Empty<string>();
     }
 
-    public event EventHandler<DataErrorsChangedEventArgs> ErrorsChanged;
+    public event EventHandler<DataErrorsChangedEventArgs>? ErrorsChanged;
 
-    private void DataErrorDictionaryErrorsChanged(object sender, DataErrorsChangedEventArgs e)
+    private void DataErrorDictionaryErrorsChanged(object? sender, DataErrorsChangedEventArgs e)
     {
         ErrorsChanged?.Invoke(this, new DataErrorsChangedEventArgs(e.PropertyName));
     }
 
-    private bool ValidateLabel(string newValue)
+    private bool ValidateLabel(string? newValue)
     {
         _dataErrorDictionary.ClearErrors(nameof(Label));
 
@@ -84,14 +86,14 @@ public class SensorEntry : INotifyDataErrorInfo, INotifyPropertyChanged
         return false;
     }
 
-    public event PropertyChangedEventHandler PropertyChanged;
+    public event PropertyChangedEventHandler? PropertyChanged;
 
-    protected virtual void OnPropertyChanged([CallerMemberName] string propertyName = null)
+    protected virtual void OnPropertyChanged([CallerMemberName] string? propertyName = null)
     {
         PropertyChanged?.Invoke(this, new PropertyChangedEventArgs(propertyName));
     }
 
-    protected bool SetField<T>(ref T field, T value, [CallerMemberName] string propertyName = null)
+    protected bool SetField<T>(ref T field, T value, [CallerMemberName] string? propertyName = null)
     {
         if (EqualityComparer<T>.Default.Equals(field, value)) return false;
         field = value;
diff --git a/StatusWindow/SettingsWindow/HardwareSettingsPanel.xaml b/StatusWindow/SettingsWindow/HardwareSettingsPanel.xaml
index dfe9596..7db11df 100644
--- a/StatusWindow/SettingsWindow/HardwareSettingsPanel.xaml
+++ b/StatusWindow/SettingsWindow/HardwareSettingsPanel.xaml
@@ -58,12 +58,12 @@
                     <DataGridTemplateColumn.CellTemplate>
                         <DataTemplate>
                             <StackPanel>
-                                <TextBlock Text="{Binding Path=Hardware.Type}"
+                                <TextBlock Text="{Binding Path=Hardware.Type, FallbackValue=null}"
                                            Height="Auto"
                                            FontSize="10"
                                            VerticalAlignment="Center"
                                            Margin="0,2,0,2" />
-                                <TextBlock Text="{Binding Path=Hardware.Name}"
+                                <TextBlock Text="{Binding Path=Hardware.Name, FallbackValue=null}"
                                            Height="Auto"
                                            VerticalAlignment="Center" />
                             </StackPanel>
@@ -75,12 +75,12 @@
                     <DataGridTemplateColumn.CellTemplate>
                         <DataTemplate>
                             <StackPanel>
-                                <TextBlock Text="{Binding Path=Sensor.Type}"
+                                <TextBlock Text="{Binding Path=Sensor.Type, FallbackValue=null}"
                                            Height="Auto"
                                            FontSize="10"
                                            VerticalAlignment="Center"
                                            Margin="0,2,0,2" />
-                                <TextBlock Text="{Binding Path=Sensor.Name}"
+                                <TextBlock Text="{Binding Path=Sensor.Name, FallbackValue=null}"
                                            Height="Auto"
                                            VerticalAlignment="Center" />
                             </StackPanel>
diff --git a/StatusWindow/SettingsWindow/HardwareSettingsPanel.xaml.cs b/StatusWindow/SettingsWindow/HardwareSettingsPanel.xaml.cs
index d5ea377..2f2163c 100644
--- a/StatusWindow/SettingsWindow/HardwareSettingsPanel.xaml.cs
+++ b/StatusWindow/SettingsWindow/HardwareSettingsPanel.xaml.cs
@@ -7,7 +7,7 @@ namespace HardwareMonitorStatusWindow.StatusWindow.SettingsWindow;
 
 public partial class HardwareSettingsPanel
 {
-    private CollectionViewSource _collectionViewSource;
+    private CollectionViewSource? _collectionViewSource;
 
     public HardwareSettingsPanel()
     {
@@ -105,7 +105,7 @@ public partial class HardwareSettingsPanel
         SensorDataGrid.SelectedItems.CopyTo(selectedItems, 0);
 
         foreach (var sensorEntry in selectedItems)
-            Data.SensorEntries.Remove(sensorEntry);
+            Data.SensorEntries?.Remove(sensorEntry);
 
         SetSensorButtonStates();
     }
diff --git a/StatusWindow/SettingsWindow/SensorWindow.xaml.cs b/StatusWindow/SettingsWindow/SensorWindow.xaml.cs
index b83d182..98be7e7 100644
--- a/StatusWindow/SettingsWindow/SensorWindow.xaml.cs
+++ b/StatusWindow/SettingsWindow/SensorWindow.xaml.cs
@@ -12,7 +12,7 @@ public partial class SensorWindow
         InitializeComponent();
     }
 
-    public bool? Display(SensorEntry sensorEntry, Window owner)
+    public bool? Display(SensorEntry sensorEntry, Window? owner)
     {
         DataContext = sensorEntry;
 
diff --git a/StatusWindow/SettingsWindow/UpdateSettingsPanel.xaml.cs b/StatusWindow/SettingsWindow/UpdateSettingsPanel.xaml.cs
index b393e54..6aa3fab 100644
--- a/StatusWindow/SettingsWindow/UpdateSettingsPanel.xaml.cs
+++ b/StatusWindow/SettingsWindow/UpdateSettingsPanel.xaml.cs
@@ -1,6 +1,5 @@
 using System.Windows;
 using System.Windows.Input;
-using HardwareMonitorStatusWindow.StatusWindow;
 
 namespace HardwareMonitorStatusWindow.StatusWindow.SettingsWindow;
 
diff --git a/StatusWindow/StatusWindow.csproj b/StatusWindow/StatusWindow.csproj
index e523247..1ffdbe1 100644
--- a/StatusWindow/StatusWindow.csproj
+++ b/StatusWindow/StatusWindow.csproj
@@ -28,10 +28,10 @@
     <PackageReference Include="ChrisKaczor.Wpf.Controls.Link" Version="1.0.4" />
     <PackageReference Include="ChrisKaczor.Wpf.Validation" Version="1.0.4" />
     <PackageReference Include="ChrisKaczor.Wpf.Windows.CategoryWindow" Version="1.0.2" />
-    <PackageReference Include="ChrisKaczor.Wpf.Windows.FloatingStatusWindow" Version="2.0.0.7" />
+    <PackageReference Include="ChrisKaczor.Wpf.Windows.FloatingStatusWindow" Version="2.0.0.8" />
     <PackageReference Include="gong-wpf-dragdrop" Version="4.0.0" />
     <PackageReference Include="PipeMethodCalls" Version="4.0.3" />
-    <PackageReference Include="Serilog" Version="4.3.0" />
+    <PackageReference Include="Serilog" Version="4.3.1" />
     <PackageReference Include="Serilog.Sinks.File" Version="7.0.0" />
     <PackageReference Include="Velopack" Version="0.0.1298" />
   </ItemGroup>
diff --git a/StatusWindow/WindowSource.cs b/StatusWindow/WindowSource.cs
index a03f431..f38e306 100644
--- a/StatusWindow/WindowSource.cs
+++ b/StatusWindow/WindowSource.cs
@@ -2,6 +2,7 @@
 using ChrisKaczor.Wpf.Windows.FloatingStatusWindow;
 using HardwareMonitorStatusWindow.Service;
 using HardwareMonitorStatusWindow.StatusWindow.SettingsWindow;
+using LibreHardwareMonitor.PawnIo;
 using Microsoft.Win32.TaskScheduler;
 using Serilog;
 using System;
@@ -23,13 +24,24 @@ internal class WindowSource : IWindowSource, IDisposable
     private readonly FloatingStatusWindow _floatingStatusWindow;
     private readonly Timer _timer;
     private readonly Dispatcher _dispatcher;
-    
+
     internal WindowSource()
     {
         try
         {
             using var taskService = new TaskService();
 
+            if (!PawnIo.IsInstalled)
+            {
+                Log.Information("PawnIO not installed");
+            }
+            else
+            {
+                var pawnIoVersion = PawnIo.Version;
+
+                Log.Information("PawnIO installed: {version}", pawnIoVersion);
+            }
+
             Log.Information("Checking for task name: {name}", HardwareMonitorService.ScheduledTaskName);
 
             var existingTask = taskService.FindTask(HardwareMonitorService.ScheduledTaskName);
@@ -231,6 +243,9 @@ internal class WindowSource : IWindowSource, IDisposable
 
         foreach (var sensorEntry in Data.SensorEntries)
         {
+            if (sensorEntry.Sensor == null)
+                continue;
+
             if (text.Length > 0)
                 text.AppendLine();