diff --git a/tbfDBBackup/Configuration.cs b/tbfDBBackup/Configuration.cs
index 9f8630f..a4e4663 100644
--- a/tbfDBBackup/Configuration.cs
+++ b/tbfDBBackup/Configuration.cs
@@ -8,20 +8,20 @@ public class Configuration
 {
     public const string ConfigDir = "config";
     public const string FileName = "configuration.json";
-    
+
     public string? PathToDumpMysql { get; set; }
-    
+
     [JsonIgnore(Condition = JsonIgnoreCondition.WhenWritingNull)]
     public Boolean? WaitOnEndCmdOpen { get; set; }
-    
-    [JsonIgnore(Condition = JsonIgnoreCondition.WhenWritingNull)] 
+
+    [JsonIgnore(Condition = JsonIgnoreCondition.WhenWritingNull)]
     public Boolean? PrintConfigurationEnabled { get; set; }
-    
+
     public List<DbConnection>? DbConnectionStrings { get; set; }
-    
+
     [JsonIgnore(Condition = JsonIgnoreCondition.WhenWritingNull)]
     public List<Update>? UpdateString { get; set; }
-    
+
     [JsonIgnore(Condition = JsonIgnoreCondition.WhenWritingNull)]
     public List<Backup>? BackupDB { get; set; }
 
@@ -30,7 +30,7 @@ public class Configuration
     {
         return JsonSerializer.Deserialize<Configuration>(jsonString);
     }
-    
+
     // Serialize method for saving
     public string SerializeToJson()
     {
@@ -65,7 +65,6 @@ public class Configuration
                 Console.WriteLine(backup.ToString());
             }
         }
-        
     }
 
     public List<BackupCombination> GetBackupCombinations()
@@ -80,7 +79,7 @@ public class Configuration
                 {
                     continue;
                 }
-                
+
                 combinations.AddRange(GetBackupCombinations(BackupDB, dbConnection));
             }
         }
@@ -96,7 +95,7 @@ public class Configuration
         {
             foreach (Backup backup in backups)
             {
-                if (!(backup.Enabled??true) ||  backup.DbConnectionStringsName != dbConnection.Name )
+                if (!(backup.Enabled ?? true) || backup.DbConnectionStringsName != dbConnection.Name)
                 {
                     continue;
                 }
@@ -117,10 +116,62 @@ public class Configuration
                         });
                     }
                 }
-                
             }
         }
 
         return combinations;
     }
+
+    public bool HasPotentialModification()
+    {
+        bool returnPotentialModification = false;
+
+        if (DbConnectionStrings != null)
+        {
+            foreach (DbConnection dbConnection in DbConnectionStrings)
+            {
+                if (dbConnection.isOneTimeEnabled())
+                {
+                    return true;
+                }
+            }
+        }
+
+
+        if (UpdateString != null)
+        {
+            foreach (Update update in UpdateString)
+            {
+                if (update.isOneTimeEnabled())
+                {
+                    return true;
+                }
+            }
+        }
+
+
+        if (BackupDB != null)
+        {
+            foreach (Backup backup in BackupDB)
+            {
+                if (backup.isOneTimeEnabled())
+                {
+                    return true;
+                }
+
+                if (backup.StoreDirPaths != null)
+                {
+                    foreach (PathWrapper path in backup.StoreDirPaths)
+                    {
+                        if (path.isOneTimeEnabled())
+                        {
+                            return true;
+                        }
+                    }
+                }
+            }
+        }
+
+        return returnPotentialModification;
+    }
 }
\ No newline at end of file
diff --git a/tbfDBBackup/Program.cs b/tbfDBBackup/Program.cs
index 9b3a366..1d86a4d 100644
--- a/tbfDBBackup/Program.cs
+++ b/tbfDBBackup/Program.cs
@@ -16,8 +16,11 @@ if (configuration == null)
     return -1;
 }
 
+bool storeConfigPotentialChanges = configuration.HasPotentialModification();
+
 //update part
-if (configuration.UpdateString != null){
+if (configuration.UpdateString != null)
+{
     try
     {
         UpdateDb(configuration);
@@ -47,7 +50,10 @@ foreach (BackupCombination combination in backupCombinations)
 //Update one time config
 
 //store configuration
-SaveConfiguration(configuration);
+if (storeConfigPotentialChanges)
+{
+    SaveConfiguration(configuration);
+}
 
 //final info
 Console.WriteLine("Program finished correctly!!");
@@ -64,8 +70,6 @@ return 0;
 
 Configuration? GetConfiguration()
 {
-
-
     try
     {
         Console.WriteLine($"---- program started path: {Environment.CurrentDirectory}");
@@ -100,7 +104,7 @@ void SaveConfiguration(Configuration configuration)
     {
         // Serialize the configuration back to JSON
         string jsonString = configuration.SerializeToJson();
-        
+
         string fileNamePath = ConfigurationFileNamePath();
         Console.WriteLine($"- full config file path: {fileNamePath}");
 
@@ -200,10 +204,10 @@ void BackupDatabase(BackupCombination backupCombination)
     }
 
     process.Close();
-    
+
     //Deactivate if only one time possible run
 
-    if ((backupCombination.Path.IsOneTimeOpaque ?? false) && (backupCombination.Path.Enabled??true))
+    if ((backupCombination.Path.IsOneTimeOpaque ?? false) && (backupCombination.Path.Enabled ?? true))
     {
         backupCombination.Path.Enabled = false;
     }
@@ -241,13 +245,14 @@ void UpdateDb(Configuration dbConfiguration)
                         int affectedItems = command.ExecuteNonQuery();
 
                         Console.WriteLine($"Affected items: {affectedItems}");
-                        
+
                         connection.Close();
 
                         if (update.IsOneTimeOpaque ?? false)
                         {
                             update.Enabled = false;
                         }
+
                         Console.WriteLine($"------ MySql Data upgrade name: {update.Name} finished! -----");
                     }
                     catch (Exception e)
@@ -263,9 +268,9 @@ string ConfigurationFileNamePath()
 {
     string s;
 #if DEBUG
-    Console.WriteLine("-- DEV version of THE PROJECT -- ");        
+    Console.WriteLine("-- DEV version of THE PROJECT -- ");
     string projectPath = Directory.GetParent(Directory.GetCurrentDirectory()).Parent.Parent.FullName;
-        
+
     s = Path.Combine(projectPath, Configuration.ConfigDir, Configuration.FileName);
 #else
         // For release mode, use an absolute path or the application base directory
diff --git a/tbfDBBackup/configuration/Backup.cs b/tbfDBBackup/configuration/Backup.cs
index e3363a9..3c9a938 100644
--- a/tbfDBBackup/configuration/Backup.cs
+++ b/tbfDBBackup/configuration/Backup.cs
@@ -6,7 +6,7 @@ public class Backup : StandardBehaviour
 {
   
     public string DbConnectionStringsName { get; set; }
-    public List<PathWrapper> StoreDirPaths { get; set; }
+    public List<PathWrapper>? StoreDirPaths { get; set; }
 
     public override string ToString()
     {
diff --git a/tbfDBBackup/configuration/StandardBehaviour.cs b/tbfDBBackup/configuration/StandardBehaviour.cs
index 8f9d419..f15e325 100644
--- a/tbfDBBackup/configuration/StandardBehaviour.cs
+++ b/tbfDBBackup/configuration/StandardBehaviour.cs
@@ -8,4 +8,9 @@ public class StandardBehaviour
     public Boolean? Enabled { get; set; }
     [JsonIgnore(Condition = JsonIgnoreCondition.WhenWritingNull)]
     public Boolean? IsOneTimeOpaque { get; set; }
+
+    public bool isOneTimeEnabled()
+    {
+        return ((Enabled ?? true) && (IsOneTimeOpaque ?? false));
+    }
 }
\ No newline at end of file