diff --git a/MaddoLibrary b/MaddoLibrary
index d9b6b42..5987cc2 160000
--- a/MaddoLibrary
+++ b/MaddoLibrary
@@ -1 +1 @@
-Subproject commit d9b6b42b847a86423577b66a74320fe90669fc2e
+Subproject commit 5987cc26521d839bf81bdaab19d101488294da19
diff --git a/WPFCatalog/MainWindowViewModel.cs b/WPFCatalog/MainWindowViewModel.cs
index 63c76f7..cd4a4b2 100644
--- a/WPFCatalog/MainWindowViewModel.cs
+++ b/WPFCatalog/MainWindowViewModel.cs
@@ -87,45 +87,99 @@ namespace WPFCatalog
         //private List<ImageTask> _tasks;
         private async void Start()
         {
-            Task outerTask = new Task(() =>
-            {
-                var tasks = new List<Task>();
-                // todo folder mode
-                MaddoLogger.Log("Starting elaboration");
-                foreach (var file in Directory.EnumerateFiles(PicSettings.DirectorySorgente))
-                {
-                    //Task t = new Task(() =>
-                    //{
-                       
-                    //    //CompleteFile(file);
-                    //});
-                    tasks.Add(FileTask(file));
-                    //_tasks.Add(new ImageTask() { ImageName = file, TaskImage = t, Completed = false });
-                    //t.Start();
+            //Task outerTask = new Task(() =>
+            //{
+            //    Stopwatch s = new Stopwatch();
+
+            //    var tasks = new List<Task>();
+            //    // todo folder mode
+            //    MaddoLogger.Log("Starting elaboration");
+            //    foreach (var file in Directory.EnumerateFiles(PicSettings.DirectorySorgente))
+            //    {
+            //        //Task t = new Task(() =>
+            //        //{
+
+            //        //    //CompleteFile(file);
+            //        //});
+            //        var t = FileTask(file);
+            //        if (t != null)
+            //        {
+            //            tasks.Add(t);
+            //        }
+            //        else
+            //        {
+            //            MaddoLogger.LogError("Task was null for file: {0}", file);
+            //        }
+            //        //_tasks.Add(new ImageTask() { ImageName = file, TaskImage = t, Completed = false });
+            //        //t.Start();
 
 
 
-                }
-                
-                 Task.WhenAll(tasks).Start();
+            //    }
+            //    s.Start();
 
-                //tt.RunSynchronously();
-                MaddoLogger.Log("Finished");
-                DialogHelper.PopUpAlert("Finished", "message");
-            });
+            //    await Task.WhenAll(tasks);
 
-            
-            outerTask.Start();
+            //    Task.WhenAll(tasks).Start();
+            //    s.Stop();
+            //    //tt.RunSynchronously();
+            //    MaddoLogger.Log("Finished: {0}, {1}", s.Elapsed, s.ElapsedMilliseconds);
+            //    DialogHelper.PopUpAlert($"Finished: {s.Elapsed}, {s.ElapsedMilliseconds}", "message");
+            //});
+
+            Task outerTask = OuterTask();
+
+            await outerTask;
         }
 
-        private Task FileTask(string file)
+        private async Task OuterTask()
+        {
+            Stopwatch s = new Stopwatch();
+
+            var tasks = new List<Task>();
+            // todo folder mode
+            MaddoLogger.Log("Starting elaboration");
+            foreach (var file in Directory.EnumerateFiles(PicSettings.DirectorySorgente))
+            {
+                //Task t = new Task(() =>
+                //{
+
+                //    //CompleteFile(file);
+                //});
+                var t = FileTask(file);
+                if (t != null)
+                {
+                    tasks.Add(t);
+                }
+                else
+                {
+                    MaddoLogger.LogError("Task was null for file: {0}", file);
+                }
+                //_tasks.Add(new ImageTask() { ImageName = file, TaskImage = t, Completed = false });
+                //t.Start();
+
+
+
+            }
+            s.Start();
+
+            await Task.WhenAll(tasks);
+
+            //Task.WhenAll(tasks).Start();
+            s.Stop();
+            //tt.RunSynchronously();
+            MaddoLogger.Log("Finished: {0}, {1}", s.Elapsed, s.ElapsedMilliseconds);
+            DialogHelper.PopUpAlert($"Finished: {s.Elapsed}, {s.ElapsedMilliseconds}", "message");
+        }
+
+
+        private async Task FileTask(string file)
         {
             MaddoLogger.Log("Starting task for image {0}", file);
             IImageProcessor i = new ImgSharpCreator();
-
-            //ImageCreator2 i = new ImageCreator2();
-            i.Start(new FileInfo(file));
-            return null;
+            await Task.Run(() => i.Start(new FileInfo(file)));
+            
+            
         }
 
         private void CompleteFile(string file)