diff --git a/Craftimizer/Utils/BackgroundTask.cs b/Craftimizer/Utils/BackgroundTask.cs
new file mode 100644
index 0000000..69c56d9
--- /dev/null
+++ b/Craftimizer/Utils/BackgroundTask.cs
@@ -0,0 +1,44 @@
+using System;
+using System.Threading;
+using System.Threading.Tasks;
+
+namespace Craftimizer.Utils;
+
+public sealed class BackgroundTask<T>(Func<CancellationToken, T> func) : IDisposable where T : struct
+{
+    public T? Result { get; private set; }
+    public Exception? Exception { get; private set; }
+    public bool Completed { get; private set; }
+    public bool Cancelling => !Completed && TokenSource.IsCancellationRequested;
+
+    private CancellationTokenSource TokenSource { get; } = new();
+    private Func<CancellationToken, T> Func { get; } = func;
+
+    public void Start()
+    {
+        var token = TokenSource.Token;
+        var task = Task.Run(() => Result = Func(token), token);
+        _ = task.ContinueWith(t => Completed = true);
+        _ = task.ContinueWith(t =>
+        {
+            if (token.IsCancellationRequested)
+                return;
+
+            try
+            {
+                t.Exception!.Flatten().Handle(ex => ex is TaskCanceledException or OperationCanceledException);
+            }
+            catch (AggregateException e)
+            {
+                Exception = e;
+                Log.Error(e, "Background task failed");
+            }
+        }, TaskContinuationOptions.OnlyOnFaulted);
+    }
+
+    public void Cancel() =>
+        TokenSource.Cancel();
+
+    public void Dispose() =>
+        Cancel();
+}
diff --git a/Craftimizer/Windows/MacroEditor.cs b/Craftimizer/Windows/MacroEditor.cs
index 971296d..58af39d 100644
--- a/Craftimizer/Windows/MacroEditor.cs
+++ b/Craftimizer/Windows/MacroEditor.cs
@@ -83,11 +83,10 @@ public sealed class MacroEditor : Window, IDisposable
     private ActionType[] DefaultActions { get; }
     private Action<IEnumerable<ActionType>>? MacroSetter { get; set; }
 
-    private CancellationTokenSource? SolverTokenSource { get; set; }
-    private Exception? SolverException { get; set; }
-    private int? SolverStartStepCount { get; set; }
+    private BackgroundTask<int>? SolverTask { get; set; }
+    private bool SolverRunning => (!SolverTask?.Completed) ?? false;
     private Solver.Solver? SolverObject { get; set; }
-    private bool SolverRunning => SolverTokenSource != null;
+    private int? SolverStartStepCount { get; set; }
 
     private ILoadedTextureIcon ExpertBadge { get; }
     private ILoadedTextureIcon CollectibleBadge { get; }
@@ -197,7 +196,8 @@ public sealed class MacroEditor : Window, IDisposable
 
     public override void OnClose()
     {
-        SolverTokenSource?.Cancel();
+        base.OnClose();
+        SolverTask?.Cancel();
     }
 
     public override void Update()
@@ -1270,7 +1270,7 @@ public sealed class MacroEditor : Window, IDisposable
         ImGui.SameLine();
         if (SolverRunning)
         {
-            if (SolverTokenSource?.IsCancellationRequested ?? false)
+            if (SolverTask?.Cancelling ?? false)
             {
                 using var _disabled = ImRaii.Disabled();
                 ImGui.Button("Stopping", new(halfWidth, height));
@@ -1278,7 +1278,7 @@ public sealed class MacroEditor : Window, IDisposable
             else
             {
                 if (ImGui.Button("Stop", new(halfWidth, height)))
-                    SolverTokenSource?.Cancel();
+                    SolverTask?.Cancel();
             }
         }
         else
@@ -1524,9 +1524,7 @@ public sealed class MacroEditor : Window, IDisposable
 
     private void CalculateBestMacro()
     {
-        SolverTokenSource?.Cancel();
-        SolverTokenSource = new();
-        SolverException = null;
+        SolverTask?.Cancel();
         Macro.ClearQueue();
 
         RevertPreviousMacro();
@@ -1540,49 +1538,27 @@ public sealed class MacroEditor : Window, IDisposable
 
         SolverStartStepCount = Macro.Count;
 
-        var token = SolverTokenSource.Token;
         var state = State;
-        var task = Task.Run(() => CalculateBestMacroTask(state, token), token);
-        _ = task.ContinueWith(t =>
-        {
-            if (token == SolverTokenSource.Token)
-            {
-                SolverTokenSource = null;
-                SolverObject = null;
-            }
-        });
-        _ = task.ContinueWith(t =>
-        {
-            if (token.IsCancellationRequested)
-                return;
-
-            try
-            {
-                t.Exception!.Flatten().Handle(ex => ex is TaskCanceledException or OperationCanceledException);
-            }
-            catch (AggregateException e)
-            {
-                SolverException = e;
-                Log.Error(e, "Calculating macro failed");
-            }
-        }, TaskContinuationOptions.OnlyOnFaulted);
+        SolverTask = new(token => CalculateBestMacroTask(state, token));
+        SolverTask.Start();
     }
 
-    private void CalculateBestMacroTask(SimulationState state, CancellationToken token)
+    private int CalculateBestMacroTask(SimulationState state, CancellationToken token)
     {
         var config = Service.Configuration.EditorSolverConfig;
 
         token.ThrowIfCancellationRequested();
 
-        using (SolverObject = new Solver.Solver(config, state) { Token = token })
-        {
-            SolverObject.OnLog += Log.Debug;
-            SolverObject.OnNewAction += a => Macro.Enqueue(a);
-            SolverObject.Start();
-            _ = SolverObject.GetTask().GetAwaiter().GetResult();
-        }
+        var solver = new Solver.Solver(config, state) { Token = token };
+        solver.OnLog += Log.Debug;
+        solver.OnNewAction += a => Macro.Enqueue(a);
+        SolverObject = solver;
+        solver.Start();
+        _ = solver.GetTask().GetAwaiter().GetResult();
 
         token.ThrowIfCancellationRequested();
+
+        return 0;
     }
 
     private void RevertPreviousMacro()
diff --git a/Craftimizer/Windows/RecipeNote.cs b/Craftimizer/Windows/RecipeNote.cs
index 5d9dc36..35f34b8 100644
--- a/Craftimizer/Windows/RecipeNote.cs
+++ b/Craftimizer/Windows/RecipeNote.cs
@@ -60,44 +60,6 @@ public sealed unsafe class RecipeNote : Window, IDisposable
     public CharacterStats? CharacterStats { get; private set; }
     public CraftableStatus CraftStatus { get; private set; }
 
-    public sealed class BackgroundTask<T>(Func<CancellationToken, T> func) : IDisposable where T : struct
-    {
-        public T? Result { get; private set; }
-        public Exception? Exception { get; private set; }
-        public bool Completed { get; private set; }
-
-        private CancellationTokenSource TokenSource { get; } = new();
-        private Func<CancellationToken, T> Func { get; } = func;
-
-        public void Start()
-        {
-            var token = TokenSource.Token;
-            var task = Task.Run(() => Result = Func(token), token);
-            _ = task.ContinueWith(t => Completed = true);
-            _ = task.ContinueWith(t =>
-            {
-                if (token.IsCancellationRequested)
-                    return;
-
-                try
-                {
-                    t.Exception!.Flatten().Handle(ex => ex is TaskCanceledException or OperationCanceledException);
-                }
-                catch (AggregateException e)
-                {
-                    Exception = e;
-                    Log.Error(e, "Calculating macros failed");
-                }
-            }, TaskContinuationOptions.OnlyOnFaulted);
-        }
-
-        public void Cancel() =>
-            TokenSource.Cancel();
-
-        public void Dispose() =>
-            Cancel();
-    }
-
     private BackgroundTask<(Macro?, SimulationState?)>? SavedMacroTask { get; set; }
     private BackgroundTask<SolverSolution>? SuggestedMacroTask { get; set; }
     private BackgroundTask<(CommunityMacros.CommunityMacro?, SimulationState?)>? CommunityMacroTask { get; set; }
diff --git a/Craftimizer/Windows/SynthHelper.cs b/Craftimizer/Windows/SynthHelper.cs
index 07082b3..0b6f8aa 100644
--- a/Craftimizer/Windows/SynthHelper.cs
+++ b/Craftimizer/Windows/SynthHelper.cs
@@ -529,7 +529,7 @@ public sealed unsafe class SynthHelper : Window, IDisposable
 
     private void OnUseAction(ActionType action)
     {
-        if (!IsCrafting)
+        if (!IsCrafting || !ShouldOpen || IsCollapsed)
             return;
 
         (_, CurrentState) = new SimNoRandom().Execute(GetCurrentState(), action);
@@ -539,7 +539,7 @@ public sealed unsafe class SynthHelper : Window, IDisposable
 
     private void OnFinishedUsingAction()
     {
-        if (!IsCrafting)
+        if (!IsCrafting || !ShouldOpen || IsCollapsed)
             return;
 
         CurrentState = GetCurrentState();
@@ -596,7 +596,7 @@ public sealed unsafe class SynthHelper : Window, IDisposable
 
     private void OnStateUpdated()
     {
-        if (!IsCrafting)
+        if (!IsCrafting || !ShouldOpen || IsCollapsed)
             return;
 
         Macro.Clear();