diff --git a/CMS_CORE_Application/Form1.cs b/CMS_CORE_Application/Form1.cs
index e28ebdc..06d212b 100644
--- a/CMS_CORE_Application/Form1.cs
+++ b/CMS_CORE_Application/Form1.cs
@@ -137,11 +137,13 @@ namespace CMS_CORE_Application
                     cmsError = N.NC_GetAvailableLanguages(ref info);
 
                     cmsError = N.NC_WLanguage(new CultureInfo("it"));
-                    if (cmsError.IsError()) { error = true; SetError(Lines, cmsError); }
+                    if (cmsError.IsError())
+                    { error = true; SetError(Lines, cmsError); }
 
 
                     cmsError = N.NC_WLanguage(new CultureInfo("en"));
-                    if (cmsError.IsError()) { error = true; SetError(Lines, cmsError); }
+                    if (cmsError.IsError())
+                    { error = true; SetError(Lines, cmsError); }
 
                     sw.Stop();
                     Console.WriteLine(sw.ElapsedMilliseconds); 
diff --git a/CMS_CORE_Library/CMS_CORE_Library.csproj b/CMS_CORE_Library/CMS_CORE_Library.csproj
index f8caa23..bcce2d5 100644
--- a/CMS_CORE_Library/CMS_CORE_Library.csproj
+++ b/CMS_CORE_Library/CMS_CORE_Library.csproj
@@ -1116,24 +1116,12 @@
     </None>
   </ItemGroup>
   <ItemGroup>
-    <EmbeddedResource Include="fwlib30i.dll">
-      <CopyToOutputDirectory>Always</CopyToOutputDirectory>
-    </EmbeddedResource>
-    <EmbeddedResource Include="fwlib30i64.dll">
-      <CopyToOutputDirectory>Always</CopyToOutputDirectory>
-    </EmbeddedResource>
     <EmbeddedResource Include="Fwlib32.dll">
       <CopyToOutputDirectory>Always</CopyToOutputDirectory>
     </EmbeddedResource>
-    <EmbeddedResource Include="Fwlib64.dll">
-      <CopyToOutputDirectory>Always</CopyToOutputDirectory>
-    </EmbeddedResource>
     <EmbeddedResource Include="fwlibe1.dll">
       <CopyToOutputDirectory>Always</CopyToOutputDirectory>
     </EmbeddedResource>
-    <EmbeddedResource Include="fwlibe64.dll">
-      <CopyToOutputDirectory>Always</CopyToOutputDirectory>
-    </EmbeddedResource>
     <EmbeddedResource Include="OsaiTool.dll">
       <CopyToOutputDirectory>Always</CopyToOutputDirectory>
     </EmbeddedResource>
diff --git a/CMS_CORE_Library/Fanuc/Nc_Fanuc.cs b/CMS_CORE_Library/Fanuc/Nc_Fanuc.cs
index e71b481..37e6b03 100644
--- a/CMS_CORE_Library/Fanuc/Nc_Fanuc.cs
+++ b/CMS_CORE_Library/Fanuc/Nc_Fanuc.cs
@@ -253,37 +253,53 @@ namespace CMS_CORE_Library.Fanuc
         public override CmsError NC_WLanguage(CultureInfo Language)
         {
             // set bit 7 to TRUE
-            byte langToWrite = (byte)(ConvertToNCLanguage(Language, out bool isSpecial) | 128);
+            //byte langToWrite = (byte)(ConvertToNCLanguage(Language, out bool isSpecial) | 128);
 
-            // write the byte
-            CmsError cmsError = MEM_RWByte(W, 0, PARAM_LING_FANUC_W.MemType, PARAM_LING_FANUC_W.Address, 0, ref langToWrite);
-            if (cmsError.IsError())
-                return cmsError;
+            //// write the byte
+            //CmsError cmsError = MEM_RWByte(W, 0, PARAM_LING_FANUC_W.MemType, PARAM_LING_FANUC_W.Address, 0, ref langToWrite);
+            //if (cmsError.IsError())
+            //    return cmsError;
 
-            // Set reset bit
-            bool b = false;
-            int n = 50;
-            do
-            {
-                // Wait before read
-                Thread.Sleep(100);
+            //// Set reset bit
+            //bool b = false;
+            //int n = 25;
+            //do
+            //{
+            //    // Wait before read
+            //    Thread.Sleep(200);
 
-                cmsError = MEM_RWBoolean(R, 0, MEMORY_TYPE.Fanuc_F, 545, 0, ref b); 
-                // Decrement
-                n--;
-            } while (!b && n > 0);
+            //    cmsError = MEM_RWBoolean(R, 0, MEMORY_TYPE.Fanuc_F, 545, 0, ref b); 
+            //    // Decrement
+            //    n--;
+            //} while (!b && n > 0);
 
-            b = false;
-            cmsError = MEM_RWBoolean(W, 0, PARAM_LING_FANUC_W.MemType, PARAM_LING_FANUC_W.Address, 7, ref b);
-            if (cmsError.IsError())
-                return cmsError;
+            //b = false;
+            //cmsError = MEM_RWBoolean(W, 0, PARAM_LING_FANUC_W.MemType, PARAM_LING_FANUC_W.Address, 7, ref b);
+            //if (cmsError.IsError())
+            //    return cmsError;
+
+
+/////// FANUC METODO
+//
+            //byte lang = ConvertToNCLanguage(Language, out bool isSpecial);
+            //ushort hndl;
+
+            ////Execute the method
+            //short nReturn = Focas1.cnc_allclibhndl3(Ip, Port, 5, out hndl);
+
+            //nReturn = Focas1.cnc_chglang(hndl, lang);
+            ////Throw Exception if there's an error
+            //if (nReturn != 0)
+            //    return GetNcError(nReturn);
+
+            //nReturn = Focas1.cnc_freelibhndl(hndl);
+
+            //// Write if the selected language is special
+            //CmsError cmsError = MEM_RWBoolean(W, 0, SPECIAL_LANGUAGE_BIT.MemType, SPECIAL_LANGUAGE_BIT.Address, SPECIAL_LANGUAGE_BIT.SubAddress, ref isSpecial);
+            //if (cmsError.IsError())
+            //    return cmsError;
 
-            // Write if the selected language is special
-            cmsError = MEM_RWBoolean(W, 0, SPECIAL_LANGUAGE_BIT.MemType, SPECIAL_LANGUAGE_BIT.Address, SPECIAL_LANGUAGE_BIT.SubAddress, ref isSpecial);
-            if (cmsError.IsError())
-                return cmsError;
             return NO_ERROR;
-
         }
 
         // Get the NC Serial Number
diff --git a/CMS_CORE_Library/Fanuc/fwlib32_64.cs b/CMS_CORE_Library/Fanuc/fwlib32_64.cs
index a6a6a24..fc07ea6 100644
--- a/CMS_CORE_Library/Fanuc/fwlib32_64.cs
+++ b/CMS_CORE_Library/Fanuc/fwlib32_64.cs
@@ -11762,8 +11762,12 @@ internal class Focas1
 
         [DllImport(FOCAS_LIB_NAME, EntryPoint = "cnc_getcurscrn")]
         internal static extern short cnc_getcurscrn(ushort FlibHndl, out short scrn_no);
-    
-        internal enum page_code: short
+
+        // funzioni aggiunte al marshalling
+        [DllImport("FWLIB32.dll", EntryPoint = "cnc_chglang")]
+        public static extern short cnc_chglang(ushort FlibHndl, byte b);
+
+    internal enum page_code: short
         {
             //POSITION
             ABS = 0x0100,
diff --git a/CMS_CORE_Library/Fwlib32.dll b/CMS_CORE_Library/Fwlib32.dll
index d74e191..fdad4ef 100644
Binary files a/CMS_CORE_Library/Fwlib32.dll and b/CMS_CORE_Library/Fwlib32.dll differ
diff --git a/CMS_CORE_Library/Siemens/Nc_Siemens.cs b/CMS_CORE_Library/Siemens/Nc_Siemens.cs
index 0794d6c..f273be1 100644
--- a/CMS_CORE_Library/Siemens/Nc_Siemens.cs
+++ b/CMS_CORE_Library/Siemens/Nc_Siemens.cs
@@ -516,12 +516,12 @@ namespace CMS_CORE_Library.Siemens
         // Set the NC Language
         public override CmsError NC_WLanguage(CultureInfo Language)
         {
-            CmsError cmsError = CheckConnection();
-            if (cmsError.IsError())
-                return cmsError;
+            //CmsError cmsError = CheckConnection();
+            //if (cmsError.IsError())
+            //    return cmsError;
 
-            // Write write the language
-            Infrastructure.CurrentLanguage = ConvertToNCLanguage(Language);
+            //// Write write the language
+            //Infrastructure.CurrentLanguage = ConvertToNCLanguage(Language);
 
             return NO_ERROR;
         }
diff --git a/CMS_CORE_Library/fwlibe1.dll b/CMS_CORE_Library/fwlibe1.dll
index 41f87b0..e041f2e 100644
Binary files a/CMS_CORE_Library/fwlibe1.dll and b/CMS_CORE_Library/fwlibe1.dll differ