diff --git a/StarterNG.Tests/StartSimulationTests.cs b/StarterNG.Tests/StartSimulationTests.cs
index 81d3ece..359c73c 100644
--- a/StarterNG.Tests/StartSimulationTests.cs
+++ b/StarterNG.Tests/StartSimulationTests.cs
@@ -401,8 +401,6 @@ public class StartSimulationTests
         public bool OpenInShell(string pathOrUrl) => false;
 
         public IProcessHandle? FindRunning(string processName) => null;
-
-        public bool IsRunning(string processName) => false;
     }
 
     private sealed class RunningProcess : IProcessHandle
diff --git a/StarterNG/Application/Abstractions/IProcessLauncher.cs b/StarterNG/Application/Abstractions/IProcessLauncher.cs
index f93d56b..9131240 100644
--- a/StarterNG/Application/Abstractions/IProcessLauncher.cs
+++ b/StarterNG/Application/Abstractions/IProcessLauncher.cs
@@ -31,6 +31,4 @@ public interface IProcessLauncher
     bool OpenInShell(string pathOrUrl);
 
     IProcessHandle? FindRunning(string processName);
-
-    bool IsRunning(string processName);
 }
diff --git a/StarterNG/Application/AppServices.cs b/StarterNG/Application/AppServices.cs
index ec064d9..7f7b6ce 100644
--- a/StarterNG/Application/AppServices.cs
+++ b/StarterNG/Application/AppServices.cs
@@ -65,8 +65,7 @@ public sealed class AppServices
         SettingsStore = new SettingsStore(files, clock, log, settingsPaths, new SettingsSerializer(dlssPlatform: !environment.IsMacOS), Executables);
         MissingVehicleLog = new MissingVehicleLog(SettingsStore.Settings, missingAssets, Library, log);
         Favorites = new FavoriteSceneries(files, log, settingsPaths.FavoritesPath());
-        Tapes = new HaslerTapes(files, paths, log, clock, Timetables,
-                                () => Processes.IsRunning(Path.GetFileNameWithoutExtension(SettingsStore.ResolveExecutable())));
+        Tapes = new HaslerTapes(files, paths, log, clock, Timetables, () => State.SimulatorRunning);
         Gpus = new LinuxGpus(files, environment);
         GraphicsCards = new GraphicsCards(files, environment, Gpus);
         Displays = new Displays(files, environment);
diff --git a/StarterNG/Application/AppState.cs b/StarterNG/Application/AppState.cs
index 78ab716..bd5cbba 100644
--- a/StarterNG/Application/AppState.cs
+++ b/StarterNG/Application/AppState.cs
@@ -46,5 +46,17 @@ public sealed class AppState
         }
     }
 
+    private volatile bool _simulatorRunning;
+
+    /// <summary>
+    /// The simulator the starter watches is still running: the one it started, not
+    /// any of the same name. Read off the UI thread too.
+    /// </summary>
+    public bool SimulatorRunning
+    {
+        get => _simulatorRunning;
+        set => _simulatorRunning = value;
+    }
+
     public void NotifyChanged() => Changed?.Invoke();
 }
diff --git a/StarterNG/Infrastructure/Adapters/SystemProcessLauncher.cs b/StarterNG/Infrastructure/Adapters/SystemProcessLauncher.cs
index 45cf7b3..99f06df 100644
--- a/StarterNG/Infrastructure/Adapters/SystemProcessLauncher.cs
+++ b/StarterNG/Infrastructure/Adapters/SystemProcessLauncher.cs
@@ -90,22 +90,6 @@ public sealed class SystemProcessLauncher : IProcessLauncher
         }
     }
 
-    public bool IsRunning(string processName)
-    {
-        try
-        {
-            var found = Process.GetProcessesByName(processName);
-            foreach (var process in found)
-                process.Dispose();
-            return found.Length > 0;
-        }
-        catch (Exception ex)
-        {
-            _log.Log($"lookup {processName}", ex);
-            return false;
-        }
-    }
-
     private sealed class ProcessHandle : IProcessHandle
     {
         private const int KeptErrorLines = 20;
diff --git a/StarterNG/MainWindow.axaml.cs b/StarterNG/MainWindow.axaml.cs
index 0ab7b58..8d71cd0 100644
--- a/StarterNG/MainWindow.axaml.cs
+++ b/StarterNG/MainWindow.axaml.cs
@@ -39,7 +39,6 @@ public partial class MainWindow : Window
     private DateTime _openedUtc = DateTime.UtcNow;
     private DateTime _startedUtc = DateTime.MinValue;
     private bool _starting;
-    private bool _simulatorRunning;
     private bool _lookingAtSceneryFiles;
     private readonly DispatcherTimer _sceneryFilesTimer = new() { Interval = TimeSpan.FromSeconds(2) };
 
@@ -116,7 +115,7 @@ public partial class MainWindow : Window
     /// </summary>
     private async Task LookAtSceneryFilesAsync()
     {
-        if (_lookingAtSceneryFiles || _simulatorRunning || !IsVisible || WindowState == WindowState.Minimized)
+        if (_lookingAtSceneryFiles || AppServices.Current.State.SimulatorRunning || !IsVisible || WindowState == WindowState.Minimized)
             return;
 
         _lookingAtSceneryFiles = true;
@@ -690,10 +689,10 @@ public partial class MainWindow : Window
             return;
         }
 
-        _simulatorRunning = true;
+        AppServices.Current.State.SimulatorRunning = true;
         _ = simulator.WaitForExitAsync().ContinueWith(_ => Dispatcher.UIThread.Post(() =>
         {
-            _simulatorRunning = false;
+            AppServices.Current.State.SimulatorRunning = false;
             RestoreFromSimulator();
             ReportIfCrashed(simulator, executable, started);
         }), TaskScheduler.Default);