diff --git a/Helper/HelperGdb.cs b/Helper/HelperGdb.cs
index 53d0b38..24f9163 100644
--- a/Helper/HelperGdb.cs
+++ b/Helper/HelperGdb.cs
@@ -24,6 +24,7 @@ using OliviaAddInPro.View;
 using OliviaAddInPro.Model.contract;
 using ArcGIS.Core.Data.DDL;
 using ArcGIS.Core.CIM;
+using System.Threading;
 
 namespace OliviaAddInPro.Helper
 {
@@ -1741,7 +1742,8 @@ namespace OliviaAddInPro.Helper
                 ArcGIS.Core.Geometry.SpatialReference spatref = GetSpatRef(nom_shp);
                 var environments = Geoprocessing.MakeEnvironmentArray(outputCoordinateSystem: spatref);
                 CancelableProgressorSource cps = new CancelableProgressorSource();
-                IGPResult gpResult = Geoprocessing.ExecuteToolAsync("FeatureClassToFeatureClass_conversion", Geoprocessing.MakeValueArray(args), environments,cps.CancellationTokenSource.Token, 
+                var completa = false;
+                var gpres = Geoprocessing.ExecuteToolAsync("FeatureClassToFeatureClass_conversion", args, environments,cps.CancellationTokenSource.Token, 
                                (event_name, o) =>  // implement delegate and handle events
                                {
                                    switch (event_name)
@@ -1765,6 +1767,7 @@ namespace OliviaAddInPro.Helper
                                                var av = (int)o;
                                                if ((int)o < 0)
                                                {
+                                                   completa = true;
                                                    //System.Windows.MessageBox.Show(msg2);
                                                    //cps.CancellationTokenSource.Cancel();
                                                    
@@ -1772,13 +1775,18 @@ namespace OliviaAddInPro.Helper
                                                break;
                                            }
                                    }
-                               }).Result;
-                if (gpResult.IsCanceled)
+                               });
+
+                while (!gpres.IsCompleted && gpres.IsCanceled && gpres.IsFaulted && !completa)
+                    Thread.Sleep(10);
+                
+                if (gpres.IsCanceled)
                 {
                     return res;
                 }
-                if (gpResult.IsFailed)
+                if (gpres.IsFaulted)
                 {
+                    var gpResult = gpres.Result;
                     string msg;
                     if (gpResult.ErrorMessages != null)
                         msg = gpResult.ErrorMessages.First().Text;
@@ -1787,6 +1795,15 @@ namespace OliviaAddInPro.Helper
                     res.Error.Add("Error: " + msg);
                     return res;
                 }
+                try
+                {
+                    gpres.Dispose();
+                }
+                catch (Exception e)
+                {
+                    string msg = "";
+                    msg = e.Message;
+                }
                 res.Value = true;
                 //actualiza la gdb
                 Refresh(System.IO.Path.GetDirectoryName(Gdb_dataset));