diff --git a/Src/A69WD/General/Cfg.cs b/Src/A69WD/General/Cfg.cs
index 78545b6..9109ac0 100644
--- a/Src/A69WD/General/Cfg.cs
+++ b/Src/A69WD/General/Cfg.cs
@@ -144,6 +144,12 @@ namespace A69WD {
         public virtual string TextEditor { get { return textEditor; } set { textEditor = value; } }
         private string textEditor;
 
+        /// <summary>
+        /// Numero di thread secondari
+        /// </summary>
+        public virtual int nThread { get { return nthread; } set { nthread = value; } }
+        private int nthread;
+
         #endregion
 
 
diff --git a/Src/A69WD/Net/cLink_A69.cs b/Src/A69WD/Net/cLink_A69.cs
index 08249b0..49c8bb7 100644
--- a/Src/A69WD/Net/cLink_A69.cs
+++ b/Src/A69WD/Net/cLink_A69.cs
@@ -84,22 +84,22 @@ namespace A69WD.Net {
         
 
         public static bool InsertStartLink(Service_Crawler service) {
-            //int i = 1;
-            //try {
-            //    foreach (string cat in categorie) {
-            //        string url = LinkIdxBase.Replace("{Categoria}", cat).Replace("{ID}", i.ToString());
-            //        string name = string.Format("_A69_{0}_{1}.html", cat, i.ToString("0000"));
-            //        service.EnqueueUrl(new cLink_A69(url, name));
-            //    }
-            //    return true;
-            //} catch (Exception ex) {
-            //    Logger.Error("Errore inserendo A69 Start Link  -  " + ex.Message);
-            //    return false;
-            //}
-            string url = LinkIdxBase.Replace("{Categoria}", "altro").Replace("{ID}", "1");   //LinkIdxBase.Replace("{Categoria}", "trio").Replace("{ID}", "1");
-            string name = "_A69_altro_0001.html";    //"_A69_trio_0001.html";
-            service.EnqueueUrl(new cLink_A69(url, name));
-            return true;
+            //string url = LinkIdxBase.Replace("{Categoria}", "altro").Replace("{ID}", "1");   //LinkIdxBase.Replace("{Categoria}", "trio").Replace("{ID}", "1");
+            //string name = "_A69_altro_0001.html";    //"_A69_trio_0001.html";
+            //service.EnqueueUrl(new cLink_A69(url, name));
+            //return true;
+            int i = 1;
+            try {
+                foreach (string cat in categorie) {
+                    string url = LinkIdxBase.Replace("{Categoria}", cat).Replace("{ID}", i.ToString());
+                    string name = string.Format("_A69_{0}_{1}.html", cat, i.ToString("0000"));
+                    service.EnqueueUrl(new cLink_A69(url, name));
+                }
+                return true;
+            } catch (Exception ex) {
+                Logger.Error("Errore inserendo A69 Start Link  -  " + ex.Message);
+                return false;
+            }
         }
 
     }//class cLink_A69
diff --git a/Src/A69WD/Properties/AssemblyInfo.cs b/Src/A69WD/Properties/AssemblyInfo.cs
index c018051..61070cc 100644
--- a/Src/A69WD/Properties/AssemblyInfo.cs
+++ b/Src/A69WD/Properties/AssemblyInfo.cs
@@ -32,8 +32,23 @@ using System.Runtime.InteropServices;
 // È possibile specificare tutti i valori oppure impostare valori predefiniti per i numeri relativi alla revisione e alla build 
 // usando l'asterisco '*' come illustrato di seguito:
 // [assembly: AssemblyVersion("1.0.*")]
-[assembly: AssemblyVersion("0.3.1.2")]
-[assembly: AssemblyFileVersion("0.3.1.2")]
+[assembly: AssemblyVersion("0.4.0.0")]
+[assembly: AssemblyFileVersion("0.4.0.0")]
+
+
+/*
+ * 
+ * Vrs 0.4.0.0
+ * 
+ * Compilata da CSiCoAlm il 2025/12/27
+ * Gestione dell'autenticazione sul sito A69
+ * Impostato lavoro in parallelo
+ * 
+ * ToDo:
+ * - Aggiungere gestione parallela della FIFO secondo vecchi modello per aumentare il feedback alla UI
+ * - Inserire anche l'estrazione dei racconti
+ * 
+ */
 
 
 /*
diff --git a/Src/A69WD/Service/Service_Crawler.cs b/Src/A69WD/Service/Service_Crawler.cs
index d33bcf2..adc3e8f 100644
--- a/Src/A69WD/Service/Service_Crawler.cs
+++ b/Src/A69WD/Service/Service_Crawler.cs
@@ -22,7 +22,7 @@ namespace A69WD.Service {
         private readonly BlockingCollection<iLink> _urlQueue = new BlockingCollection<iLink>(new ConcurrentQueue<iLink>());
 
         // Semaforo per limitare il numero massimo di download simultanei
-        private readonly SemaphoreSlim _semaphore = new SemaphoreSlim(9);
+        private readonly SemaphoreSlim _semaphore = null;
 
         // Contatori
         private int _inCorso = 0;
@@ -33,8 +33,10 @@ namespace A69WD.Service {
         private iSiteType _site;
 
 
-        public Service_Crawler(Label lblInCorso) {
+        public Service_Crawler(Label lblInCorso, ProgressBar pbStatus) {
+            _semaphore = new SemaphoreSlim(Cfg.Settings.nThread);
             _lblInCorso = lblInCorso;
+            _progressBar = pbStatus;
         }
 
 
@@ -47,7 +49,7 @@ namespace A69WD.Service {
         //private readonly Label _lblCompletati;
         //private readonly Label _lblDaFare;
         //private readonly Label _lblErrori;
-        //private readonly ProgressBar _progressBar;
+        private readonly ProgressBar _progressBar;
 
 
 
@@ -128,11 +130,11 @@ namespace A69WD.Service {
 
             _lblInCorso.Text = $"In corso: {_inCorso} - Completati: {_completati} - Errori: {_errori} - Da fare: {daFare}";
 
-            //int totale = _inCorso + _completati + _errori + daFare;
-            //int fatti = _completati + _errori;
-            //
-            //_progressBar.Maximum = totale > 0 ? totale : 1;
-            //_progressBar.Value = fatti;
+            int totale = _inCorso + _completati + _errori + daFare;
+            int fatti = _completati + _errori;
+            
+            _progressBar.Maximum = totale > 0 ? totale : 1;
+            _progressBar.Value = fatti;
         }
 
 
diff --git a/Src/A69WD/Settings.cfg b/Src/A69WD/Settings.cfg
index 4a801ed..7b4bc86 100644
--- a/Src/A69WD/Settings.cfg
+++ b/Src/A69WD/Settings.cfg
@@ -19,5 +19,8 @@
 	<!-- Text editor per la visualizzazione dei file. -->
 	<TextEditor>C:\Program Files\Notepad++\notepad++.exe</TextEditor>
 
+	<!-- Numero di thread secondari. -->
+	<nThread>9</nThread>
+
 
 </Cfg>
\ No newline at end of file
diff --git a/Src/A69WD/UI/frmDownloader.Designer.cs b/Src/A69WD/UI/frmDownloader.Designer.cs
index e7416ac..b6a13a8 100644
--- a/Src/A69WD/UI/frmDownloader.Designer.cs
+++ b/Src/A69WD/UI/frmDownloader.Designer.cs
@@ -24,20 +24,17 @@
         /// </summary>
         private void InitializeComponent() {
             this.btnClose = new System.Windows.Forms.Button();
-            this.btnHide = new System.Windows.Forms.Button();
             this.btnDownloadAll = new System.Windows.Forms.Button();
             this.lblST = new System.Windows.Forms.Label();
             this.btnImportLinks = new System.Windows.Forms.Button();
             this.openFileDialog1 = new System.Windows.Forms.OpenFileDialog();
             this.btnShowLog = new System.Windows.Forms.Button();
-            this.cbSoloFileIndice = new System.Windows.Forms.CheckBox();
-            this.tbNumThred = new System.Windows.Forms.TextBox();
-            this.label1 = new System.Windows.Forms.Label();
+            this.pbST = new System.Windows.Forms.ProgressBar();
             this.SuspendLayout();
             // 
             // btnClose
             // 
-            this.btnClose.Location = new System.Drawing.Point(436, 12);
+            this.btnClose.Location = new System.Drawing.Point(263, 12);
             this.btnClose.Name = "btnClose";
             this.btnClose.Size = new System.Drawing.Size(79, 33);
             this.btnClose.TabIndex = 14;
@@ -45,24 +42,13 @@
             this.btnClose.UseVisualStyleBackColor = true;
             this.btnClose.Click += new System.EventHandler(this.btnClose_Click);
             // 
-            // btnHide
-            // 
-            this.btnHide.Location = new System.Drawing.Point(317, 19);
-            this.btnHide.Name = "btnHide";
-            this.btnHide.Size = new System.Drawing.Size(97, 33);
-            this.btnHide.TabIndex = 13;
-            this.btnHide.Text = "Hide";
-            this.btnHide.UseVisualStyleBackColor = true;
-            this.btnHide.Visible = false;
-            this.btnHide.Click += new System.EventHandler(this.btnHide_Click);
-            // 
             // btnDownloadAll
             // 
             this.btnDownloadAll.Location = new System.Drawing.Point(12, 12);
             this.btnDownloadAll.Name = "btnDownloadAll";
             this.btnDownloadAll.Size = new System.Drawing.Size(79, 33);
             this.btnDownloadAll.TabIndex = 11;
-            this.btnDownloadAll.Text = "Download All";
+            this.btnDownloadAll.Text = "Start A69";
             this.btnDownloadAll.UseVisualStyleBackColor = true;
             this.btnDownloadAll.Click += new System.EventHandler(this.btnDownloadAll_Click);
             // 
@@ -70,20 +56,21 @@
             // 
             this.lblST.BorderStyle = System.Windows.Forms.BorderStyle.FixedSingle;
             this.lblST.Dock = System.Windows.Forms.DockStyle.Bottom;
-            this.lblST.Location = new System.Drawing.Point(0, 52);
+            this.lblST.Location = new System.Drawing.Point(0, 73);
             this.lblST.Name = "lblST";
-            this.lblST.Size = new System.Drawing.Size(524, 22);
+            this.lblST.Size = new System.Drawing.Size(352, 22);
             this.lblST.TabIndex = 9;
             this.lblST.Text = "Status";
             this.lblST.TextAlign = System.Drawing.ContentAlignment.MiddleLeft;
             // 
             // btnImportLinks
             // 
+            this.btnImportLinks.Enabled = false;
             this.btnImportLinks.Location = new System.Drawing.Point(97, 12);
             this.btnImportLinks.Name = "btnImportLinks";
             this.btnImportLinks.Size = new System.Drawing.Size(79, 33);
             this.btnImportLinks.TabIndex = 15;
-            this.btnImportLinks.Text = "Import Links";
+            this.btnImportLinks.Text = "From DB";
             this.btnImportLinks.UseVisualStyleBackColor = true;
             this.btnImportLinks.Click += new System.EventHandler(this.btnImportLinks_Click);
             // 
@@ -102,65 +89,39 @@
             this.btnShowLog.UseVisualStyleBackColor = true;
             this.btnShowLog.Click += new System.EventHandler(this.btnShowLog_Click);
             // 
-            // cbSoloFileIndice
+            // pbST
             // 
-            this.cbSoloFileIndice.AutoSize = true;
-            this.cbSoloFileIndice.Location = new System.Drawing.Point(263, 20);
-            this.cbSoloFileIndice.Name = "cbSoloFileIndice";
-            this.cbSoloFileIndice.Size = new System.Drawing.Size(76, 17);
-            this.cbSoloFileIndice.TabIndex = 18;
-            this.cbSoloFileIndice.Text = "Solo Index";
-            this.cbSoloFileIndice.UseVisualStyleBackColor = true;
-            // 
-            // tbNumThred
-            // 
-            this.tbNumThred.Location = new System.Drawing.Point(345, 18);
-            this.tbNumThred.Name = "tbNumThred";
-            this.tbNumThred.Size = new System.Drawing.Size(22, 20);
-            this.tbNumThred.TabIndex = 19;
-            this.tbNumThred.Text = "3";
-            // 
-            // label1
-            // 
-            this.label1.AutoSize = true;
-            this.label1.Location = new System.Drawing.Point(369, 22);
-            this.label1.Name = "label1";
-            this.label1.Size = new System.Drawing.Size(66, 13);
-            this.label1.TabIndex = 20;
-            this.label1.Text = "Num Thread";
+            this.pbST.Dock = System.Windows.Forms.DockStyle.Bottom;
+            this.pbST.Location = new System.Drawing.Point(0, 55);
+            this.pbST.Name = "pbST";
+            this.pbST.Size = new System.Drawing.Size(352, 18);
+            this.pbST.TabIndex = 18;
             // 
             // frmDownloader
             // 
             this.AutoScaleDimensions = new System.Drawing.SizeF(6F, 13F);
             this.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font;
-            this.ClientSize = new System.Drawing.Size(524, 74);
-            this.Controls.Add(this.label1);
-            this.Controls.Add(this.tbNumThred);
-            this.Controls.Add(this.cbSoloFileIndice);
+            this.ClientSize = new System.Drawing.Size(352, 95);
+            this.Controls.Add(this.pbST);
             this.Controls.Add(this.btnShowLog);
             this.Controls.Add(this.btnImportLinks);
             this.Controls.Add(this.btnClose);
-            this.Controls.Add(this.btnHide);
             this.Controls.Add(this.btnDownloadAll);
             this.Controls.Add(this.lblST);
             this.FormBorderStyle = System.Windows.Forms.FormBorderStyle.FixedDialog;
             this.Name = "frmDownloader";
             this.Text = "frmDownloader";
             this.ResumeLayout(false);
-            this.PerformLayout();
 
         }
 
         #endregion
         private System.Windows.Forms.Button btnClose;
-        private System.Windows.Forms.Button btnHide;
         private System.Windows.Forms.Button btnDownloadAll;
         private System.Windows.Forms.Label lblST;
         private System.Windows.Forms.Button btnImportLinks;
         private System.Windows.Forms.OpenFileDialog openFileDialog1;
         private System.Windows.Forms.Button btnShowLog;
-        private System.Windows.Forms.CheckBox cbSoloFileIndice;
-        private System.Windows.Forms.TextBox tbNumThred;
-        private System.Windows.Forms.Label label1;
+        private System.Windows.Forms.ProgressBar pbST;
     }
 }
\ No newline at end of file
diff --git a/Src/A69WD/UI/frmDownloader.cs b/Src/A69WD/UI/frmDownloader.cs
index 3f2ba44..1fc7f7b 100644
--- a/Src/A69WD/UI/frmDownloader.cs
+++ b/Src/A69WD/UI/frmDownloader.cs
@@ -32,7 +32,7 @@ namespace A69WD {
 
         public frmDownloader() {
             InitializeComponent();
-            this.Text = String.Format("A69WD  -  Dowloader Testi            Vrs {0}", cTools.AssemblyVersion);
+            this.Text = String.Format("A69WD - Dowloader Testi    Vrs {0}", cTools.AssemblyVersion);
             //engine = new cA69Engine();
             //engine.Updating += Engine_Updating;
         }
@@ -99,7 +99,7 @@ namespace A69WD {
 
 
             // Preparo il servizio
-            service = new Service_Crawler(lblST);
+            service = new Service_Crawler(lblST, pbST);
             // Inserisco i link iniziali nella coda
             if (!cLink_A69.InsertStartLink(service)) {
                 lblST.Text = "Inserimento A69 start link fault.";