diff --git a/Program.cs b/Program.cs
index cf66754..e9c62d6 100644
--- a/Program.cs
+++ b/Program.cs
@@ -117,6 +117,12 @@ class Program {
                 char[] chars = stringa.ToCharArray();
                 byte[] bytes = new byte[chars.Length];
 
+                for (int i = 0; i < chars.Length; i++) { //se il valore intero del singolo char è superiore al valore massimo di byte
+                    if (Convert.ToUInt64(chars[i]) > Byte.MaxValue) {
+                        chars[i] = Convert.ToChar(200); //lo sostituisco con un carattere a caso che è convertibile in byte, per non rompere la conversione successiva    
+                    }
+                }
+
                 for (int i = 0; i < chars.Length; i++) {
                     bytes[i] = Convert.ToByte(chars[i]);
                 }
@@ -219,7 +225,7 @@ class Program {
                 lettere[j] = p_lettera2;
             }
         }
-        
+
         return string.Join("", lettere);
     }
 
diff --git a/bin/Debug/net9.0/strings_2 b/bin/Debug/net9.0/strings_2
index 6654f9e..a09bfdb 100755
Binary files a/bin/Debug/net9.0/strings_2 and b/bin/Debug/net9.0/strings_2 differ
diff --git a/bin/Debug/net9.0/strings_2.dll b/bin/Debug/net9.0/strings_2.dll
index 42f6d64..662f4f9 100644
Binary files a/bin/Debug/net9.0/strings_2.dll and b/bin/Debug/net9.0/strings_2.dll differ
diff --git a/bin/Debug/net9.0/strings_2.pdb b/bin/Debug/net9.0/strings_2.pdb
index 305e94a..9108a72 100644
Binary files a/bin/Debug/net9.0/strings_2.pdb and b/bin/Debug/net9.0/strings_2.pdb differ
diff --git a/obj/Debug/net9.0/apphost b/obj/Debug/net9.0/apphost
index 6654f9e..a09bfdb 100755
Binary files a/obj/Debug/net9.0/apphost and b/obj/Debug/net9.0/apphost differ
diff --git a/obj/Debug/net9.0/ref/strings_2.dll b/obj/Debug/net9.0/ref/strings_2.dll
index 742a551..d1f0fc4 100644
Binary files a/obj/Debug/net9.0/ref/strings_2.dll and b/obj/Debug/net9.0/ref/strings_2.dll differ
diff --git a/obj/Debug/net9.0/refint/strings_2.dll b/obj/Debug/net9.0/refint/strings_2.dll
index 742a551..d1f0fc4 100644
Binary files a/obj/Debug/net9.0/refint/strings_2.dll and b/obj/Debug/net9.0/refint/strings_2.dll differ
diff --git a/obj/Debug/net9.0/strings_2.AssemblyInfo.cs b/obj/Debug/net9.0/strings_2.AssemblyInfo.cs
index b5431b7..971289a 100644
--- a/obj/Debug/net9.0/strings_2.AssemblyInfo.cs
+++ b/obj/Debug/net9.0/strings_2.AssemblyInfo.cs
@@ -13,10 +13,10 @@ using System.Reflection;
 [assembly: System.Reflection.AssemblyCompanyAttribute("strings_2")]
 [assembly: System.Reflection.AssemblyConfigurationAttribute("Debug")]
 [assembly: System.Reflection.AssemblyFileVersionAttribute("1.0.0.0")]
-[assembly: System.Reflection.AssemblyInformationalVersionAttribute("1.0.0+c3221a26e7024becb1a0bc5ca23f9d5951939a0e")]
+[assembly: System.Reflection.AssemblyInformationalVersionAttribute("1.0.0+c485179de4f282de45beb0f7d4860f49264ae15c")]
 [assembly: System.Reflection.AssemblyProductAttribute("strings_2")]
 [assembly: System.Reflection.AssemblyTitleAttribute("strings_2")]
 [assembly: System.Reflection.AssemblyVersionAttribute("1.0.0.0")]
 
-// Generated by the MSBuild WriteCodeFragment class.
+// Generato dalla classe WriteCodeFragment di MSBuild.
 
diff --git a/obj/Debug/net9.0/strings_2.AssemblyInfoInputs.cache b/obj/Debug/net9.0/strings_2.AssemblyInfoInputs.cache
index 0b139e9..7692be1 100644
--- a/obj/Debug/net9.0/strings_2.AssemblyInfoInputs.cache
+++ b/obj/Debug/net9.0/strings_2.AssemblyInfoInputs.cache
@@ -1 +1 @@
-286555a28e2b9519ad213c06727318c7aaa3c8f73011ee3c1eb75939a096b603
+37bc26bc3a12bdfd7035317c818bc790bd05aef4e0e1da67c548b475df3f0a61
diff --git a/obj/Debug/net9.0/strings_2.assets.cache b/obj/Debug/net9.0/strings_2.assets.cache
index 320de29..bbcd06d 100644
Binary files a/obj/Debug/net9.0/strings_2.assets.cache and b/obj/Debug/net9.0/strings_2.assets.cache differ
diff --git a/obj/Debug/net9.0/strings_2.csproj.CoreCompileInputs.cache b/obj/Debug/net9.0/strings_2.csproj.CoreCompileInputs.cache
index 22d4e6b..1e75d67 100644
--- a/obj/Debug/net9.0/strings_2.csproj.CoreCompileInputs.cache
+++ b/obj/Debug/net9.0/strings_2.csproj.CoreCompileInputs.cache
@@ -1 +1 @@
-4ef1c6e281a4279efbe6a93ea283d646bf9f249445f7fe51ef3162564a07b622
+db9d59f3f1e01603ca0db2532b95debe9b6ee3fc1ae01815ceaef6628a6d1799
diff --git a/obj/Debug/net9.0/strings_2.dll b/obj/Debug/net9.0/strings_2.dll
index 42f6d64..662f4f9 100644
Binary files a/obj/Debug/net9.0/strings_2.dll and b/obj/Debug/net9.0/strings_2.dll differ
diff --git a/obj/Debug/net9.0/strings_2.pdb b/obj/Debug/net9.0/strings_2.pdb
index 305e94a..9108a72 100644
Binary files a/obj/Debug/net9.0/strings_2.pdb and b/obj/Debug/net9.0/strings_2.pdb differ
diff --git a/obj/project.assets.json b/obj/project.assets.json
index dc146e0..3d87636 100644
--- a/obj/project.assets.json
+++ b/obj/project.assets.json
@@ -44,7 +44,7 @@
         "auditLevel": "low",
         "auditMode": "direct"
       },
-      "SdkAnalysisLevel": "9.0.100"
+      "SdkAnalysisLevel": "9.0.200"
     },
     "frameworks": {
       "net9.0": {
@@ -65,7 +65,7 @@
             "privateAssets": "all"
           }
         },
-        "runtimeIdentifierGraphPath": "/usr/share/dotnet/sdk/9.0.102/PortableRuntimeIdentifierGraph.json"
+        "runtimeIdentifierGraphPath": "/usr/share/dotnet/sdk/9.0.200/PortableRuntimeIdentifierGraph.json"
       }
     }
   }
diff --git a/obj/project.nuget.cache b/obj/project.nuget.cache
index 5a7d7da..d76972e 100644
--- a/obj/project.nuget.cache
+++ b/obj/project.nuget.cache
@@ -1,6 +1,6 @@
 {
   "version": 2,
-  "dgSpecHash": "0XXWvIaAHRU=",
+  "dgSpecHash": "EUX3oFtxQ78=",
   "success": true,
   "projectFilePath": "/home/Verde/git/strings_2/strings_2.csproj",
   "expectedPackageFiles": [],
diff --git a/obj/strings_2.csproj.nuget.dgspec.json b/obj/strings_2.csproj.nuget.dgspec.json
index 6ff1f69..81d259c 100644
--- a/obj/strings_2.csproj.nuget.dgspec.json
+++ b/obj/strings_2.csproj.nuget.dgspec.json
@@ -38,7 +38,7 @@
           "auditLevel": "low",
           "auditMode": "direct"
         },
-        "SdkAnalysisLevel": "9.0.100"
+        "SdkAnalysisLevel": "9.0.200"
       },
       "frameworks": {
         "net9.0": {
@@ -59,7 +59,7 @@
               "privateAssets": "all"
             }
           },
-          "runtimeIdentifierGraphPath": "/usr/share/dotnet/sdk/9.0.102/PortableRuntimeIdentifierGraph.json"
+          "runtimeIdentifierGraphPath": "/usr/share/dotnet/sdk/9.0.200/PortableRuntimeIdentifierGraph.json"
         }
       }
     }
diff --git a/obj/strings_2.csproj.nuget.g.props b/obj/strings_2.csproj.nuget.g.props
index 29b3d27..424e2e4 100644
--- a/obj/strings_2.csproj.nuget.g.props
+++ b/obj/strings_2.csproj.nuget.g.props
@@ -7,7 +7,7 @@
     <NuGetPackageRoot Condition=" '$(NuGetPackageRoot)' == '' ">/home/Verde/.nuget/packages/</NuGetPackageRoot>
     <NuGetPackageFolders Condition=" '$(NuGetPackageFolders)' == '' ">/home/Verde/.nuget/packages/</NuGetPackageFolders>
     <NuGetProjectStyle Condition=" '$(NuGetProjectStyle)' == '' ">PackageReference</NuGetProjectStyle>
-    <NuGetToolVersion Condition=" '$(NuGetToolVersion)' == '' ">6.12.2</NuGetToolVersion>
+    <NuGetToolVersion Condition=" '$(NuGetToolVersion)' == '' ">6.13.0</NuGetToolVersion>
   </PropertyGroup>
   <ItemGroup Condition=" '$(ExcludeRestorePackageImports)' != 'true' ">
     <SourceRoot Include="/home/Verde/.nuget/packages/" />