diff --git a/Lux.API/ExtLib/EgwMultiEngineManager.deps.json b/Lux.API/ExtLib/EgwMultiEngineManager.deps.json
new file mode 100644
index 00000000..d97fa9f9
--- /dev/null
+++ b/Lux.API/ExtLib/EgwMultiEngineManager.deps.json
@@ -0,0 +1,63 @@
+{
+  "runtimeTarget": {
+    "name": ".NETStandard,Version=v2.0/",
+    "signature": ""
+  },
+  "compilationOptions": {},
+  "targets": {
+    ".NETStandard,Version=v2.0": {},
+    ".NETStandard,Version=v2.0/": {
+      "EgwMultiEngineManager/1.0.0": {
+        "dependencies": {
+          "NETStandard.Library": "2.0.3",
+          "Newtonsoft.Json": "13.0.3"
+        },
+        "runtime": {
+          "EgwMultiEngineManager.dll": {}
+        }
+      },
+      "Microsoft.NETCore.Platforms/1.1.0": {},
+      "NETStandard.Library/2.0.3": {
+        "dependencies": {
+          "Microsoft.NETCore.Platforms": "1.1.0"
+        }
+      },
+      "Newtonsoft.Json/13.0.3": {
+        "runtime": {
+          "lib/netstandard2.0/Newtonsoft.Json.dll": {
+            "assemblyVersion": "13.0.0.0",
+            "fileVersion": "13.0.3.27908"
+          }
+        }
+      }
+    }
+  },
+  "libraries": {
+    "EgwMultiEngineManager/1.0.0": {
+      "type": "project",
+      "serviceable": false,
+      "sha512": ""
+    },
+    "Microsoft.NETCore.Platforms/1.1.0": {
+      "type": "package",
+      "serviceable": true,
+      "sha512": "sha512-kz0PEW2lhqygehI/d6XsPCQzD7ff7gUJaVGPVETX611eadGsA3A877GdSlU0LRVMCTH/+P3o2iDTak+S08V2+A==",
+      "path": "microsoft.netcore.platforms/1.1.0",
+      "hashPath": "microsoft.netcore.platforms.1.1.0.nupkg.sha512"
+    },
+    "NETStandard.Library/2.0.3": {
+      "type": "package",
+      "serviceable": true,
+      "sha512": "sha512-st47PosZSHrjECdjeIzZQbzivYBJFv6P2nv4cj2ypdI204DO+vZ7l5raGMiX4eXMJ53RfOIg+/s4DHVZ54Nu2A==",
+      "path": "netstandard.library/2.0.3",
+      "hashPath": "netstandard.library.2.0.3.nupkg.sha512"
+    },
+    "Newtonsoft.Json/13.0.3": {
+      "type": "package",
+      "serviceable": true,
+      "sha512": "sha512-HrC5BXdl00IP9zeV+0Z848QWPAoCr9P3bDEZguI+gkLcBKAOxix/tLEAAHC+UvDNPv4a2d18lOReHMOagPa+zQ==",
+      "path": "newtonsoft.json/13.0.3",
+      "hashPath": "newtonsoft.json.13.0.3.nupkg.sha512"
+    }
+  }
+}
\ No newline at end of file
diff --git a/Lux.API/ExtLib/EgwMultiEngineManager.dll b/Lux.API/ExtLib/EgwMultiEngineManager.dll
index 3cf51d27..7276ed64 100644
Binary files a/Lux.API/ExtLib/EgwMultiEngineManager.dll and b/Lux.API/ExtLib/EgwMultiEngineManager.dll differ
diff --git a/Lux.API/Program.cs b/Lux.API/Program.cs
index c5ab87f7..043ade18 100644
--- a/Lux.API/Program.cs
+++ b/Lux.API/Program.cs
@@ -21,13 +21,16 @@ builder.Services.AddControllers();
 builder.Services.AddEndpointsApiExplorer();
 builder.Services.AddSwaggerGen();
 
+ExecProcessManager? myExecProcessManager = null;
+
 // solo se abilitato da conf
 if (enableEgwEng)
 {
     // aggiungo rif libreria EgwManager
     string sCamExePath = @"c:\EgtProg\EgtEngine\EgtEngineR32.exe";
     string sMainLuaPath = @"c:\Temp\EgwMultiEngineManager\Pipe.lua";
-    ExecProcessManager myExecProcessManager = new ExecProcessManager(sCamExePath, sMainLuaPath, 1, ExecProcessManager.ReturnModes.EVENT_);
+    myExecProcessManager = new ExecProcessManager(sCamExePath, sMainLuaPath, 1, ExecProcessManager.ReturnModes.EVENT_);
+    myExecProcessManager.StartExecutionThread();
     builder.Services.AddSingleton<ExecProcessManager>(myExecProcessManager);
 }
 builder.Services.AddSingleton<ImageCacheService>();
@@ -52,4 +55,16 @@ app.UseAuthorization();
 
 app.MapControllers();
 
-app.Run();
+// inserisco evento in chiusura x fermare i thread di calcolo sottostanti:
+// https://shazwazza.com/post/aspnet-core-application-shutdown-events/
+// https://dotnetblog.asphostportal.com/how-to-handle-application-shutdown-in-asp-net-core/
+app.Lifetime.ApplicationStopping.Register(() =>
+{
+    if (myExecProcessManager != null)
+    {
+        myExecProcessManager.StopExecutionThread();
+    }
+});
+
+// avvio app
+app.Run();
\ No newline at end of file
diff --git a/Lux.API/appsettings.json b/Lux.API/appsettings.json
index 92840c90..2843b501 100644
--- a/Lux.API/appsettings.json
+++ b/Lux.API/appsettings.json
@@ -57,7 +57,7 @@
     "Redis": "redis.ufficio:26379, serviceName=devel, DefaultDatabase=6, keepAlive=180, connectTimeout=15000, syncTimeout=15000, asyncTimeout=15000, abortConnect=false, ssl=false, allowAdmin=true"
   },
   "ServerConf": {
-    "EgwEngineEnab": false,
+    "EgwEngineEnab": true,
     "BaseUrl": "/Lux/srv/"
   }
 }