diff --git a/NKC_WF/WebUserControls/cmp_secScreen.ascx.cs b/NKC_WF/WebUserControls/cmp_secScreen.ascx.cs
index d0912f9..e6b444d 100644
--- a/NKC_WF/WebUserControls/cmp_secScreen.ascx.cs
+++ b/NKC_WF/WebUserControls/cmp_secScreen.ascx.cs
@@ -163,15 +163,34 @@ namespace NKC_WF.WebUserControls
             }
             set
             {
-                // poiché è necessario copiare in locale il pdf...
-                string nameOnly = $"~/temp/{itemCode}.pdf";
-                hfItemPdf.Value = nameOnly;
-                // svuoto files vecchi...
-                removeOldTemp();
-                // copio in locale file...
-                File.Copy(value.Trim(), Server.MapPath(nameOnly));
-                // update...
-                hlPdfOpener.NavigateUrl = nameOnly;
+                // check preliminare: deve essere un file ".pdf..."
+                if (value.Trim().EndsWith(".pdf"))
+                {
+                    // poiché è necessario copiare in locale il pdf...
+                    string nameOnly = $"~/temp/{itemCode}.pdf";
+                    hfItemPdf.Value = nameOnly;
+                    // svuoto files vecchi...
+                    removeOldTemp();
+                    try
+                    {
+                        // loggo che sto x copiare
+                        logger.lg.scriviLog($"Requested copy from {value.Trim()} --> Server.MapPath(nameOnly)");
+                        // copio in locale file...
+                        File.Copy(value.Trim(), Server.MapPath(nameOnly));
+                    }
+                    catch (Exception exc)
+                    {
+                        string fullMessage = $"SecScreed: Exception on setPdfPath:{Environment.NewLine}{exc}";
+                        logger.lg.scriviLog(fullMessage);
+                    }
+                    // update...
+                    hlPdfOpener.NavigateUrl = nameOnly;
+                }
+                else
+                {
+                    string fullMessage = $"SecScreed: Error on pdfPath set value: [{value}]";
+                    logger.lg.scriviLog(fullMessage);
+                }
             }
         }
 
@@ -217,7 +236,7 @@ namespace NKC_WF.WebUserControls
         {
             // valutato ma non usato pdf.js:
             // https://mozilla.github.io/pdf.js/examples/index.html#interactive-examples
-            
+
             // se è variato da current...
             if (newDtmx != itemDtmx)
             {