diff --git a/Lux.API/Controllers/JwdController.cs b/Lux.API/Controllers/JwdController.cs
index 5ece8ee0..debc6420 100644
--- a/Lux.API/Controllers/JwdController.cs
+++ b/Lux.API/Controllers/JwdController.cs
@@ -13,7 +13,7 @@ namespace Lux.API.Controllers
     {
         #region Public Constructors
 
-        public JwdController(IConfigurationManager config, ILogger<JwdController> logger, ExecProcessManager EgwProcManager)
+        public JwdController(IConfiguration config, ILogger<JwdController> logger, ExecProcessManager EgwProcManager)
         {
             _logger = logger;
             _config = config;
@@ -193,7 +193,7 @@ namespace Lux.API.Controllers
         #region Private Fields
 
         private readonly ILogger<JwdController> _logger;
-        private IConfigurationManager _config;
+        private IConfiguration _config;
         private bool enableEgwEng = true;
 
         //private Dictionary<int, string> listSvg = new Dictionary<int, string>();
diff --git a/Lux.API/Controllers/WindowController.cs b/Lux.API/Controllers/WindowController.cs
index 894f4a37..2efe236e 100644
--- a/Lux.API/Controllers/WindowController.cs
+++ b/Lux.API/Controllers/WindowController.cs
@@ -13,13 +13,13 @@ namespace Lux.API.Controllers
     {
         #region Public Constructors
 
-        public WindowController(IConfigurationManager config, ILogger<WindowController> logger, ExecProcessManager EgwProcManager, ImageCacheService imgServ)
+        public WindowController(IConfiguration config, ILogger<WindowController> logger, ImageCacheService imgServ, ExecProcessManager? EgwProcManager = null)
         {
             _logger = logger;
             _config = config;
             // verifico se usare engine
             enableEgwEng = _config.GetValue<bool>("ServerConf:EgwEngineEnab");
-            if (enableEgwEng)
+            if (enableEgwEng && EgwProcManager != null)
             {
                 ProcessMan = EgwProcManager;
                 ProcessMan.m_AnswerReceived += ProcessMan_m_AnswerReceived;
@@ -108,7 +108,7 @@ namespace Lux.API.Controllers
         #region Private Fields
 
         private readonly ILogger<WindowController> _logger;
-        private IConfigurationManager _config;
+        private IConfiguration _config;
         private bool enableEgwEng = true;
 
         //private Dictionary<int, string> listSvg = new Dictionary<int, string>();
diff --git a/Lux.API/appsettings.json b/Lux.API/appsettings.json
index 2843b501..92840c90 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": true,
+    "EgwEngineEnab": false,
     "BaseUrl": "/Lux/srv/"
   }
 }
diff --git a/Lux.Data/Services/ImageCacheService.cs b/Lux.Data/Services/ImageCacheService.cs
index 1c52cf0b..c40840ca 100644
--- a/Lux.Data/Services/ImageCacheService.cs
+++ b/Lux.Data/Services/ImageCacheService.cs
@@ -78,7 +78,7 @@ namespace Lux.Data.Services
             SendMessage(notifyChannel, svgContent);
             // salvo img in cache
             string currKey = $"{redisBaseKey}:{imgId.Replace("/", ":")}";
-            redisDb.StringSet(currKey, svgContent, LongCache);
+            redisDb.StringSet(currKey, svgContent);
         }
 
         #endregion Public Methods