diff --git a/src/main/java/org/gcube/portlets/user/workspace/client/AppController.java b/src/main/java/org/gcube/portlets/user/workspace/client/AppController.java
index 168ff82..e74b0ff 100644
--- a/src/main/java/org/gcube/portlets/user/workspace/client/AppController.java
+++ b/src/main/java/org/gcube/portlets/user/workspace/client/AppController.java
@@ -82,14 +82,12 @@ import org.gcube.portlets.user.workspace.client.view.windows.InfoDisplay;
 import org.gcube.portlets.user.workspace.client.view.windows.MessageBoxAlert;
 import org.gcube.portlets.user.wsmail.client.forms.MailForm;
 
-import com.extjs.gxt.ui.client.widget.ContentPanel;
 import com.extjs.gxt.ui.client.widget.LayoutContainer;
 import com.extjs.gxt.ui.client.widget.layout.FitLayout;
 import com.google.gwt.core.client.GWT;
 import com.google.gwt.core.client.RunAsyncCallback;
 import com.google.gwt.core.client.Scheduler;
 import com.google.gwt.core.client.Scheduler.ScheduledCommand;
-import com.google.gwt.dev.asm.tree.IntInsnNode;
 import com.google.gwt.event.shared.HandlerManager;
 import com.google.gwt.user.client.Cookies;
 import com.google.gwt.user.client.Window;
@@ -137,6 +135,7 @@ public class AppController implements SubscriberInterface {
 		bind();
 	}
 
+	
 	public static HandlerManager getEventBus() {
 		return eventBus;
 	}
@@ -810,14 +809,22 @@ public class AppController implements SubscriberInterface {
 		final String searchParameter = Window.Location.getParameter(ConstantsPortlet.GET_SEARCH_PARAMETER);
 		final String itemIdParameter = Window.Location.getParameter(ConstantsPortlet.GET_ITEMID_PARAMETER);
 		final String operationParameter = Window.Location.getParameter(ConstantsPortlet.GET_OPEARATION_PARAMETER);
+		final String validateSession = Window.Location.getParameter(ConstantsPortlet.GET_VALIDATE_SESSION);
+		
+		boolean sessionValidating = true;
+		
+		if(validateSession!=null && validateSession.compareToIgnoreCase("false")==0)
+			sessionValidating = false;
 
 		GWT.log("GET PARAMETER "+ConstantsPortlet.GET_SEARCH_PARAMETER+": "+searchParameter);
 		GWT.log("GET PARAMETER "+ConstantsPortlet.GET_ITEMID_PARAMETER+": "+itemIdParameter);
 		GWT.log("GET PARAMETER "+ConstantsPortlet.GET_OPEARATION_PARAMETER+": "+operationParameter);
+		GWT.log("GET PARAMETER "+ConstantsPortlet.GET_VALIDATE_SESSION+": "+validateSession);
 		
 		final boolean instanceWithGrouping = readCookieWorkspaceGridViewSetting();
 		
 		System.out.println("Cookie "+ConstantsPortlet.GCUBE_COOKIE_WORKSPACE_GRID_VIEW_SETTING + " return "+instanceWithGrouping);
+		System.out.println("Session Validating is "+sessionValidating);
 		
 		boolean isSearch = false;
 		boolean isSearchForItemId = false;
@@ -842,18 +849,20 @@ public class AppController implements SubscriberInterface {
 		final boolean searchingForItemId = isSearchForItemId;
 		
 		//VALIDATING SESSION
-		if(appContrExplorer!=null){
+		if(appContrExplorer!=null && sessionValidating){
 			appContrExplorer.getRpcWorkspaceService().isSessionExpired(new AsyncCallback<Boolean>() {
 
 				@Override
 				public void onFailure(Throwable caught) {
-					GWT.log("ERROR ON VALIDATING SESSION");
-					
+					GWT.log("ERROR ON VALIDATING SESSION - DEFAULT INIT");
+					initPortlet(rootPanel, instanceWithGrouping, searchingForItemId, searchParameter, itemIdParameter, operationParameter);
 				}
 
 				@Override
 				public void onSuccess(Boolean result) {
 				
+					GWT.log("SESSION IS EXPIRED: "+result);
+					
 					//SESSION IS NOT EXPIRED
 					if(!result)
 						initPortlet(rootPanel, instanceWithGrouping, searchingForItemId, searchParameter, itemIdParameter, operationParameter);
@@ -861,6 +870,7 @@ public class AppController implements SubscriberInterface {
 						//SESSION IS EXPIRED
 						
 						rootPanel.add(showProblems());
+						getMainPanel().setHeight(350);
 					}
 						
 				}
@@ -910,7 +920,7 @@ public class AppController implements SubscriberInterface {
 		 
 		errorPanel.add(new HTML("<div class=\"nofeed-message\">" +
 				"Ops! There were problems while retrieving your workspace!" +
-				"<br> Your session expired, please try to login again <a href=\"\\\">Press here</a> "));
+				"<br> Your session expired, please try to <a href=\"/c/portal/logout\">login again</a> "));
 		
 		return errorPanel;
 	 }
diff --git a/src/main/java/org/gcube/portlets/user/workspace/client/ConstantsPortlet.java b/src/main/java/org/gcube/portlets/user/workspace/client/ConstantsPortlet.java
index e389416..2f02520 100644
--- a/src/main/java/org/gcube/portlets/user/workspace/client/ConstantsPortlet.java
+++ b/src/main/java/org/gcube/portlets/user/workspace/client/ConstantsPortlet.java
@@ -19,6 +19,7 @@ public class ConstantsPortlet {
 	public static final String GET_SEARCH_PARAMETER ="search";
 	public static final String GET_ITEMID_PARAMETER ="itemid";
 	public static final String GET_OPEARATION_PARAMETER ="operation";
+	public static final String GET_VALIDATE_SESSION="validatesession";
 	
 	
 	// Div Gwt
diff --git a/src/main/java/org/gcube/portlets/user/workspace/client/view/grids/GxtGridFilterGroupPanel.java b/src/main/java/org/gcube/portlets/user/workspace/client/view/grids/GxtGridFilterGroupPanel.java
index 73544fe..ce61508 100644
--- a/src/main/java/org/gcube/portlets/user/workspace/client/view/grids/GxtGridFilterGroupPanel.java
+++ b/src/main/java/org/gcube/portlets/user/workspace/client/view/grids/GxtGridFilterGroupPanel.java
@@ -70,15 +70,16 @@ public class GxtGridFilterGroupPanel extends LayoutContainer {
 		ColumnConfig creationDate = new ColumnConfig(ConstantsExplorer.GRIDCOLUMNCREATIONDATE, ConstantsExplorer.GRIDCOLUMNCREATIONDATE, 100);
 		ColumnConfig category = new ColumnConfig(ConstantsExplorer.SHORTCUTCATEGORY, ConstantsExplorer.SHORTCUTCATEGORY, 100);
 		ColumnConfig size = new ColumnConfig(ConstantsExplorer.SIZE, ConstantsExplorer.SIZE, 50);
+		ColumnConfig ownerFullName = new ColumnConfig(ConstantsExplorer.OWNERFULLNAME, ConstantsExplorer.OWNER, 80);
 		
 		size.setEditor(new CellEditor(new NumberField()));   
 		
 		ColumnModel cm  = null;
 		
 		if(group)
-			cm = new ColumnModel(Arrays.asList(icon, name, type, creationDate, size, category));
+			cm = new ColumnModel(Arrays.asList(icon, name, type, creationDate, size, ownerFullName, category));
 		else
-			cm = new ColumnModel(Arrays.asList(icon, name, type, creationDate, size));
+			cm = new ColumnModel(Arrays.asList(icon, name, type, creationDate, size, ownerFullName));
 			
 		final ColumnModel columnModel = cm;
 		
diff --git a/src/main/webapp/workspaceportlet.css b/src/main/webapp/workspaceportlet.css
index e775d10..ecf35ca 100644
--- a/src/main/webapp/workspaceportlet.css
+++ b/src/main/webapp/workspaceportlet.css
@@ -5,6 +5,8 @@
 	font-family: 'Architects Daughter', arial, sans-serif;
 	font-size: 15px;
 	text-align: center;
+	height: 350px;
+	background-color: white;
 }