diff --git a/InputLock.cs b/InputLock.cs
index 62b458c..f29999d 100644
--- a/InputLock.cs
+++ b/InputLock.cs
@@ -74,11 +74,15 @@ namespace MSCO
             Cursor.lockState = CursorLockMode.None;
         }
 
-        /// <summary>PlayMaker-Aktionen, die den Mauszeiger setzen, überspringen, solange ein Fenster offen ist.</summary>
+        /// <summary>
+        /// PlayMaker-Aktionen, die den Mauszeiger setzen, überspringen, solange ein Fenster offen ist. Außerdem die
+        /// Tastenabfragen des Spiels (cInput) sperren: sonst löst Tippen im Chat Spielaktionen aus (Benutzen, Hupe ...).
+        /// </summary>
         static void PatchCursorActions()
         {
             if (patched) return;
             patched = true;
+            PatchGameInput();
             try
             {
                 Type action = null;
@@ -104,5 +108,45 @@ namespace MSCO
         }
 
         static bool SkipWhileLocked() { return !locked; }
+
+        static void PatchGameInput()
+        {
+            try
+            {
+                Type input = typeof(cInput);
+                HarmonyInstance harmony = HarmonyInstance.Create("mbm.msco.inputlock.keys");
+                var boolPrefix = new HarmonyMethod(typeof(InputLock).GetMethod("NoKeyWhileLocked", BindingFlags.Static | BindingFlags.NonPublic));
+                var floatPrefix = new HarmonyMethod(typeof(InputLock).GetMethod("NoAxisWhileLocked", BindingFlags.Static | BindingFlags.NonPublic));
+                int count = 0;
+                foreach (MethodInfo m in input.GetMethods(BindingFlags.Static | BindingFlags.Public))
+                {
+                    bool keyQuery = m.Name == "GetKey" || m.Name == "GetKeyDown" || m.Name == "GetKeyUp" ||
+                                    m.Name == "GetButton" || m.Name == "GetButtonDown" || m.Name == "GetButtonUp";
+                    bool axisQuery = m.Name == "GetAxis" || m.Name == "GetAxisRaw";
+                    if (keyQuery && m.ReturnType == typeof(bool)) { harmony.Patch(m, boolPrefix, null); count++; }
+                    else if (axisQuery && m.ReturnType == typeof(float)) { harmony.Patch(m, floatPrefix, null); count++; }
+                }
+                ModConsole.Print("[MSCO] Game input is paused while typing (" + count + " cInput queries)");
+            }
+            catch (Exception e)
+            {
+                ModConsole.Warning("[MSCO] Could not pause game input while typing: " + e.Message);
+            }
+        }
+
+        // Harmony-Prefixe: solange ein Eingabefenster offen ist, meldet cInput "nichts gedrückt"
+        static bool NoKeyWhileLocked(ref bool __result)
+        {
+            if (!locked) return true;
+            __result = false;
+            return false;
+        }
+
+        static bool NoAxisWhileLocked(ref float __result)
+        {
+            if (!locked) return true;
+            __result = 0f;
+            return false;
+        }
     }
 }
diff --git a/MultiplayerManager.cs b/MultiplayerManager.cs
index 57a5506..109f8db 100644
--- a/MultiplayerManager.cs
+++ b/MultiplayerManager.cs
@@ -1233,7 +1233,7 @@ namespace MSCO
                 StartCoroutine(ApplyWorldSnapshot(snapshot));
             }
 
-            if (MSCO.PassengerKey != null && MSCO.PassengerKey.GetKeybindDown())
+            if (MSCO.PassengerKey != null && !overlays.AnyOpen && MSCO.PassengerKey.GetKeybindDown())
             {
                 string result = passenger.Toggle(localPlayer, playerCamera, objects, players);
                 if (result != null)
@@ -1246,58 +1246,94 @@ namespace MSCO
             bool ready = IsPeerReady;
             if (ready)
             {
+                // Jedes Teilsystem einzeln abgesichert: ein Fehler in einem (z.B. an einem gerade zerstörten Objekt)
+                // soll nicht den ganzen Sync stoppen
                 sendTimer += Time.unscaledDeltaTime; // läuft auch im Pausenmenü (timeScale = 0) weiter
                 if (sendTimer >= SendInterval)
                 {
                     sendTimer = 0f;
-                    SendGame(MsgType.Player, BuildLocalState().Serialize());
+                    try { SendGame(MsgType.Player, BuildLocalState().Serialize()); }
+                    catch (System.Exception e) { ReportError("player state", e); }
                 }
-                objects.Update(localPlayer, Time.deltaTime);
-                vehicleFx.Update(objects, SendGame, Time.deltaTime);
-                worldSync.Update(IsWorldAuthority, SendGame, Time.unscaledDeltaTime);
+                try { objects.Update(localPlayer, Time.deltaTime); }
+                catch (System.Exception e) { ReportError("object sync", e); }
+                try { vehicleFx.Update(objects, SendGame, Time.deltaTime); }
+                catch (System.Exception e) { ReportError("vehicle lights/sound", e); }
+                try { worldSync.Update(IsWorldAuthority, SendGame, Time.unscaledDeltaTime); }
+                catch (System.Exception e) { ReportError("time/weather sync", e); }
 
                 // Geld erst beobachten, wenn das Spiel fertig geladen ist
-                if (objects.ScanComplete) moneySync.Begin();
-                moneySync.Update(SendGame);
+                try
+                {
+                    if (objects.ScanComplete) moneySync.Begin();
+                    moneySync.Update(SendGame);
+                }
+                catch (System.Exception e) { ReportError("money sync", e); }
 
                 // Türen, Tore, Hauben (z.B. Garagentor)
-                if (objects.ScanComplete) doorSync.Update(SendGame);
+                try { if (objects.ScanComplete) doorSync.Update(SendGame); }
+                catch (System.Exception e) { ReportError("door sync", e); }
 
-                // Gesamtzustand der Fahrzeuge (Tank, Öl, Schrauben, Verschleiß ...)
-                if (objects.ScanComplete) vehicleState.Update(objects, localId, SendGame);
+                // Gesamtzustand der Fahrzeuge (Tank, Öl, Verschleiß ...)
+                try { if (objects.ScanComplete) vehicleState.Update(objects, localId, SendGame); }
+                catch (System.Exception e) { ReportError("vehicle state sync", e); }
             }
 
             foreach (PlayerInfo p in players.Values)
             {
                 if (p.Avatar == null) continue;
-                p.Avatar.Tick(Time.unscaledDeltaTime);
+                try
+                {
+                    p.Avatar.Tick(Time.unscaledDeltaTime);
 
-                // Gehaltenes Item an die Hand der Figur setzen
-                Vector3 pos;
-                Quaternion rot;
-                if (p.Avatar.TryGetHeldPose(out pos, out rot))
-                    objects.ApplyAvatarHold(p.Id, p.Avatar.HeldId, pos, rot);
+                    // Gehaltenes Item an die Hand der Figur setzen
+                    Vector3 pos;
+                    Quaternion rot;
+                    if (p.Avatar.TryGetHeldPose(out pos, out rot))
+                        objects.ApplyAvatarHold(p.Id, p.Avatar.HeldId, pos, rot);
+                }
+                catch (System.Exception e) { ReportError("player figure", e); }
             }
 
             // Abgefangene Schraub-/Montage-Aktionen verschicken
-            FsmSync.Enabled = ready;
-            FsmSync.Tick();
-            foreach (FsmEventMsg msg in FsmSync.Outbox) SendGame(MsgType.FsmEvent, msg.Serialize());
+            try
+            {
+                FsmSync.Enabled = ready;
+                FsmSync.Tick();
+                foreach (FsmEventMsg msg in FsmSync.Outbox) SendGame(MsgType.FsmEvent, msg.Serialize());
+            }
+            catch (System.Exception e) { ReportError("part/bolt sync", e); }
             FsmSync.Outbox.Clear();
         }
 
+        readonly Dictionary<string, float> lastErrorReport = new Dictionary<string, float>();
+
+        /// <summary>Fehler eines Teilsystems melden (höchstens alle 30 s pro Teilsystem, damit das Log nicht vollläuft).</summary>
+        void ReportError(string what, System.Exception e)
+        {
+            float now = Time.realtimeSinceStartup, last;
+            if (lastErrorReport.TryGetValue(what, out last) && now - last < 30f) return;
+            lastErrorReport[what] = now;
+            ModConsole.Error("[MSCO] " + what + " failed: " + e);
+            overlays.Log("Error in " + what + ": " + e.Message);
+        }
+
         void FixedUpdate()
         {
-            if (IsPeerReady && MenuHelper.InGame) objects.FixedUpdate();
+            if (!IsPeerReady || !MenuHelper.InGame) return;
+            try { objects.FixedUpdate(); }
+            catch (System.Exception e) { ReportError("object movement", e); }
         }
 
         void LateUpdate()
         {
             InputLock.KeepCursorFree(); // das Spiel sperrt den Zeiger im selben Frame evtl. wieder
             // Nach den Spiel-FSMs, damit Lichter/Motorgeräusch der Fahrzeuge anderer gewinnen
-            if (IsPeerReady && MenuHelper.InGame) vehicleFx.Apply(objects);
+            try { if (IsPeerReady && MenuHelper.InGame) vehicleFx.Apply(objects); }
+            catch (System.Exception e) { ReportError("vehicle lights/sound", e); }
             // Beifahrer nach der Fahrzeugbewegung auf den Sitz setzen
-            if (localPlayer != null && MenuHelper.InGame) passenger.LateUpdate(localPlayer, playerCamera, objects);
+            try { if (localPlayer != null && MenuHelper.InGame) passenger.LateUpdate(localPlayer, playerCamera, objects); }
+            catch (System.Exception e) { ReportError("passenger", e); }
         }
 
         /// <summary>