diff --git a/addons/base/controllers/main.py b/addons/base/controllers/main.py
index 2df86d3ce7e..618d86f3750 100644
--- a/addons/base/controllers/main.py
+++ b/addons/base/controllers/main.py
@@ -130,7 +130,13 @@ class Session(openerpweb.Controller):
             db = kw.get('db')
             password = kw.get('password')
             
-            return req.session.proxy("db").drop(password, db)
+            try:
+                return req.session.proxy("db").drop(password, db)
+            except Exception, e:
+                if e.faultCode and e.faultCode.split(':')[0] == 'AccessDenied':
+                    return {'error': 'Bad super admin password !'}
+                else:
+                    return {'error': 'Could not drop database !'}
         
         elif flag == 'backup':
             db = kw.get('db')
@@ -141,8 +147,11 @@ class Session(openerpweb.Controller):
                     cherrypy.response.headers['Content-Type'] = "application/data"
                     cherrypy.response.headers['Content-Disposition'] = 'filename="' + db + '.dump"'
                     return base64.decodestring(res)
-            except Exception:
-                return {'error': 'Could not create backup !'}
+            except Exception, e:
+                if e.faultCode and e.faultCode.split(':')[0] == 'AccessDenied':
+                    return {'error': 'Bad super admin password !'}
+                else:
+                    return {'error': 'Could not drop database !'}
             
         elif flag == 'restore':
             filename = kw.get('filename')
@@ -150,19 +159,26 @@ class Session(openerpweb.Controller):
             password = kw.get('password')
             
             try:
-                if filename:
-                    data = base64.encodestring(filename.file.read())
-                    return req.session.proxy("db").restore(password, db, data)
-            except Exception:
-                return {'error': 'Could not restore database !'}
+                data = base64.encodestring(filename.file.read())
+                return req.session.proxy("db").restore(password, db, data)
+            except Exception, e:
+                if e.faultCode and e.faultCode.split(':')[0] == 'AccessDenied':
+                    return {'error': 'Bad super admin password !'}
+                else:
+                    return {'error': 'Could not restore database !'}
         
         elif flag == 'change_password':
             old_password = kw.get('old_password')
             new_password = kw.get('new_password')
             confirm_password = kw.get('confirm_password')
             
-            if old_password and new_password and confirm_password:
+            try:
                 return req.session.proxy("db").change_admin_password(old_password, new_password)
+            except Exception, e:
+                if e.faultCode and e.faultCode.split(':')[0] == 'AccessDenied':
+                    return {'error': 'Bad super admin password !'}
+                else:
+                    return {'error': 'Error, password not changed !'}
             
     @openerpweb.jsonrequest
     def modules(self, req):
diff --git a/addons/base/static/src/js/chrome.js b/addons/base/static/src/js/chrome.js
index db831387823..47e3de67677 100644
--- a/addons/base/static/src/js/chrome.js
+++ b/addons/base/static/src/js/chrome.js
@@ -974,18 +974,29 @@ openerp.base.Database = openerp.base.Controller.extend({
        			demo_data = 'False';
        		
        		self.rpc("/base/session/db_operation", {
-					'flag': 'create', 
-					'super_admin_pwd': super_admin_pwd,
-					'db': db, 
-					'demo_data': demo_data,
-					'db_lang': db_lang,
-					'admin_pwd': admin_pwd,
-					'confirm_pwd': confirm_pwd
-				}, 
-	        	function(result) {
-	        		if (result && !result.error) {
-		        		
-		        	}
+				'flag': 'create', 
+				'super_admin_pwd': super_admin_pwd,
+				'db': db, 
+				'demo_data': demo_data,
+				'db_lang': db_lang,
+				'admin_pwd': admin_pwd,
+				'confirm_pwd': confirm_pwd
+			}, 
+        	function(result) {
+        		if (result && !result.error) {
+	        		
+	        	} else if(result.error) {
+	        		var db_error_dialog = _.uniqueId("db_error_dialog");
+                  		$('<div>', {id: db_error_dialog}).dialog({
+		                modal: true,
+		                title: "Create Database",
+		                buttons: {
+		                    Ok: function() {
+		                        $(this).dialog("close");
+		                    }
+		                }
+		            }).html("<center style='padding-top: 15px; font-size: 15px'>" + result.error + "</center>");
+	        	}
        		});
 		});
     },
@@ -1005,12 +1016,23 @@ openerp.base.Database = openerp.base.Controller.extend({
         	
         	if (confirm("Do you really want to delete the database: " + db + " ?")) {
 	        	self.rpc("/base/session/db_operation", {'flag': 'drop', 'db': db, 'password': password}, 
-		        	function(result) {
-		        		if (result && !result.error) {
-			        		self.$option_id.find("select[name=drop_db] :selected").remove();
-			        		self.notification.notify("Dropping database", "The database '" + db + "' has been dropped");
-			        	}
-		        	});
+	        	function(result) {
+	        		if (result && ! result.error) {
+		        		self.$option_id.find("select[name=drop_db] :selected").remove();
+		        		self.notification.notify("Dropping database", "The database '" + db + "' has been dropped");
+		        	} else if(result.error) {
+		        		var db_error_dialog = _.uniqueId("db_error_dialog");
+                   		$('<div>', {id: db_error_dialog}).dialog({
+			                modal: true,
+			                title: "Drop Database",
+			                buttons: {
+			                    Ok: function() {
+			                        $(this).dialog("close");
+			                    }
+			                }
+			            }).html("<center style='padding-top: 15px; font-size: 15px'>" + result.error + "</center>");
+		        	}
+	        	});
 	        }
         });
     },
@@ -1032,8 +1054,17 @@ openerp.base.Database = openerp.base.Controller.extend({
         	function(result) {
         		if (result && !result.error) {
 	        		self.notification.notify("Backup Database", "Backup has been created for the database: '" + db + "'");
-	        	} else if (result.error) {
-	        		self.notification.notify("Backup Database", result.error);
+	        	} else if(result.error) {
+	        		var db_error_dialog = _.uniqueId("db_error_dialog");
+                  		$('<div>', {id: db_error_dialog}).dialog({
+		                modal: true,
+		                title: "Backup Database",
+		                buttons: {
+		                    Ok: function() {
+		                        $(this).dialog("close");
+		                    }
+		                }
+		            }).html("<center style='padding-top: 15px; font-size: 15px'>" + result.error + "</center>");
 	        	}
         	});
        	});
@@ -1057,8 +1088,17 @@ openerp.base.Database = openerp.base.Controller.extend({
         	function(result) {
         		if (result && !result.error) {
 	        		self.notification.notify("Restore Database", "You restored your database as: '" + new_db + "'");
-	        	} else if (result.error) {
-	        		self.notification.notify("Restore Database", result.error);
+	        	} else if(result.error) {
+	        		var db_error_dialog = _.uniqueId("db_error_dialog");
+                  		$('<div>', {id: db_error_dialog}).dialog({
+		                modal: true,
+		                title: "Restore Database",
+		                buttons: {
+		                    Ok: function() {
+		                        $(this).dialog("close");
+		                    }
+		                }
+		            }).html("<center style='padding-top: 15px; font-size: 15px'>" + result.error + "</center>");
 	        	}
         	});
        	});
@@ -1103,6 +1143,17 @@ openerp.base.Database = openerp.base.Controller.extend({
 	        	function(result) {
 	        		if (result && !result.error) {
 		        		self.notification.notify("Changed Password", "Password has been changed successfully");
+		        	} else if(result.error) {
+		        		var db_error_dialog = _.uniqueId("db_error_dialog");
+                   		$('<div>', {id: db_error_dialog}).dialog({
+			                modal: true,
+			                title: "Change Password",
+			                buttons: {
+			                    Ok: function() {
+			                        $(this).dialog("close");
+			                    }
+			                }
+			            }).html("<center style='padding-top: 15px; font-size: 15px'>" + result.error + "</center>");
 		        	}
 	        	});
 	       	});
diff --git a/openerpweb/openerpweb.py b/openerpweb/openerpweb.py
index 25beb6bbcee..13864d3e026 100644
--- a/openerpweb/openerpweb.py
+++ b/openerpweb/openerpweb.py
@@ -314,27 +314,16 @@ class JsonRequest(object):
                 }
             }
         except xmlrpclib.Fault, e:
-            if e.faultCode and e.faultCode.split(':')[0] == 'AccessDenied':
-                message, string = e.faultCode.split(':')
-                error = {
-                     'code': 200,
-                     'message': message,
-                     'data': {
-                              'type': 'server_exception',
-                              'debug': string
-                      }
-                 }
-            else:
-                error = {
-                    'code': 200,
-                    'message': "OpenERP Server Error",
-                    'data': {
-                        'type': 'server_exception',
-                        'fault_code': e.faultCode,
-                        'debug': "Client %s\nServer %s" % (
-                        "".join(traceback.format_exception("", None, sys.exc_traceback)), e.faultString)
-                    }
+            error = {
+                'code': 200,
+                'message': "OpenERP Server Error",
+                'data': {
+                    'type': 'server_exception',
+                    'fault_code': e.faultCode,
+                    'debug': "Client %s\nServer %s" % (
+                    "".join(traceback.format_exception("", None, sys.exc_traceback)), e.faultString)
                 }
+            }
         except Exception:
             cherrypy.log("An error occured while handling a json request",
                          severity=logging.ERROR, traceback=True)