diff --git a/src/main/java/org/gcube/portlets/user/td/tablewidget/client/validation/ValidationsTasksPanel.java b/src/main/java/org/gcube/portlets/user/td/tablewidget/client/validation/ValidationsTasksPanel.java
index 85580a7..49604dc 100644
--- a/src/main/java/org/gcube/portlets/user/td/tablewidget/client/validation/ValidationsTasksPanel.java
+++ b/src/main/java/org/gcube/portlets/user/td/tablewidget/client/validation/ValidationsTasksPanel.java
@@ -15,8 +15,6 @@ import org.gcube.portlets.user.td.widgetcommonevent.shared.TRId;
 
 import com.allen_sauer.gwt.log.client.Log;
 import com.google.gwt.cell.client.AbstractCell;
-import com.google.gwt.core.client.Scheduler;
-import com.google.gwt.core.client.Scheduler.ScheduledCommand;
 import com.google.gwt.resources.client.ImageResource;
 import com.google.gwt.safehtml.shared.SafeHtmlBuilder;
 import com.google.gwt.user.client.rpc.AsyncCallback;
@@ -50,6 +48,7 @@ public class ValidationsTasksPanel extends FramedPanel {
 
 	protected TreeDataGenerator gen;
 	protected TreeStore<BaseDto> store;
+	protected TreeGrid<BaseDto> tree;
 
 	class KeyProvider implements ModelKeyProvider<BaseDto> {
 		@Override
@@ -77,6 +76,9 @@ public class ValidationsTasksPanel extends FramedPanel {
 	}
 
 	protected void draw() {
+		if(tree!=null){
+			remove(tree);
+		}
 		init();
 		retrieveValidations();
 	}
@@ -111,7 +113,7 @@ public class ValidationsTasksPanel extends FramedPanel {
 		}
 
 		ColumnConfig<BaseDto, String> cc1 = new ColumnConfig<BaseDto, String>(
-				new ToStringValueProvider<BaseDto>("task"));
+				new ToStringValueProvider<BaseDto>("task"),168, "Task");
 		cc1.setHeader("Task");
 		cc1.setCell(new AbstractCell<String>() {
 
@@ -168,9 +170,8 @@ public class ValidationsTasksPanel extends FramedPanel {
 					public String getPath() {
 						return "valid";
 					}
-				});
+				}, 38, "Valid");
 		cc3.setHeader("Valid");
-		cc3.setWidth(48);
 		cc3.setCell(new AbstractCell<Boolean>() {
 
 			@Override
@@ -202,12 +203,18 @@ public class ValidationsTasksPanel extends FramedPanel {
 		l.add(cc3);
 		ColumnModel<BaseDto> cm = new ColumnModel<BaseDto>(l);
 
-		final TreeGrid<BaseDto> tree = new TreeGrid<BaseDto>(store, cm, cc1);
+		tree = new TreeGrid<BaseDto>(store, cm, cc1);
 		//tree.getStyle().setLeafIcon(ResourceBundle.INSTANCE.tableValidation());
-		//tree.getStyle().setNodeCloseIcon(ResourceBundle.INSTANCE.cog());
-		//tree.getStyle().setNodeOpenIcon(ResourceBundle.INSTANCE.cog());
+		
+		//tree.getView().setStripeRows(true);
+		//tree.getView().setColumnLines(true);
+		tree.getView().setAutoFill(true);
+		tree.setBorders(false);
+		tree.setLoadMask(true);
+		tree.setColumnResize(true);
 		tree.getView().setAutoExpandColumn(cc1);
 		
+
 		IconProvider<BaseDto> iconProvider=new IconProvider<BaseDto>() {
 
 			@Override
@@ -250,12 +257,7 @@ public class ValidationsTasksPanel extends FramedPanel {
 		add(tree, new MarginData(0));
 		onResize();
 		
-		Scheduler.get().scheduleDeferred(new ScheduledCommand() {
-
-			public void execute() {
-				tree.expandAll();
-			}
-		});
+		
 		
 	}