diff --git a/src/netKnow/Class/IP.java b/src/netKnow/Class/IP.java
index 72320f1..83984af 100644
--- a/src/netKnow/Class/IP.java
+++ b/src/netKnow/Class/IP.java
@@ -19,6 +19,7 @@ public IP(String [] fullIPAdress){
         convertStringToMask();
     }
 
+
     private void convertStringToIPAdress(String [] fullIPAdress){
         for(int i = 0; i < 4; i++) {
             ipArray[i] = Integer.parseInt(fullIPAdress[i]);
diff --git a/src/netKnow/TODOfile b/src/netKnow/TODOfile
index 5d560a9..fb26516 100644
--- a/src/netKnow/TODOfile
+++ b/src/netKnow/TODOfile
@@ -2,4 +2,8 @@
 
 -> Router(PC)
 -> Switch
--> Siec
\ No newline at end of file
+-> Siec
+
+
+-> przy robieniu linkNode nie ma resetowania wartosci w textfieldach
+-> wywalic do pliku hasla
\ No newline at end of file
diff --git a/src/netKnow/controller/AggregationController.java b/src/netKnow/controller/AggregationController.java
index 5170e6b..11bf5c4 100644
--- a/src/netKnow/controller/AggregationController.java
+++ b/src/netKnow/controller/AggregationController.java
@@ -1,6 +1,7 @@
 package netKnow.controller;
 
 import javafx.fxml.FXML;
+import javafx.geometry.Pos;
 import javafx.scene.Scene;
 import javafx.scene.control.Button;
 import javafx.scene.control.Label;
@@ -9,6 +10,7 @@
 import javafx.scene.input.KeyCode;
 import javafx.scene.layout.HBox;
 import javafx.scene.layout.VBox;
+import javafx.scene.paint.Color;
 import netKnow.Class.IP;
 import netKnow.Code.NetworkAggregation;
 import netKnow.scene.AggregationPopUp;
@@ -26,13 +28,13 @@ public class AggregationController {
     @FXML
     private Button okButton;
     @FXML
-    private ScrollPane networkScrollPane;
-    @FXML
     private VBox networkListVbox;
     @FXML
     private Button backButton;
     @FXML
     private Button aggregateButton;
+    @FXML
+    private Label errorLabel;
 
     List<SingleIP> arrayListSingleIp;
     int amount=0;
@@ -41,7 +43,7 @@ public class AggregationController {
     public IP[] aggregatedNetwork;
 
     @FXML
-    void initialize(){ 
+    void initialize(){
         amountNetwork.setOnKeyPressed(event -> {
             if(event.getCode() == KeyCode.ENTER ){
                 okButton.fire();
@@ -50,15 +52,19 @@ void initialize(){
         okButton.setOnAction(event -> {
 
             amount = Integer.parseInt(amountNetwork.getText());
-            networkListVbox.getChildren().clear();
 
-            arrayListSingleIp = new ArrayList<SingleIP>();
-            for (int i=0; i<amount ; i++){
-                arrayListSingleIp.add(new SingleIP(networkListVbox));
+            networkListVbox.getChildren().clear();
+            if(amount > 10){
+                errorLabel.setText("Liczba sieci do agregacji nie może być > 10");
+            }else if(amount < 1){
+                errorLabel.setText("Liczba nie może być <= 0");
+            }else{
+                arrayListSingleIp = new ArrayList<>();
+                for (int i=0; i<amount ; i++){
+                    arrayListSingleIp.add(new SingleIP(networkListVbox));
+                }
+                clickedAggregation = true;
             }
-
-            clickedAggregation = true;
-
         });
 
         aggregateButton.setOnAction(event -> {
diff --git a/src/netKnow/controller/RegistrationController.java b/src/netKnow/controller/RegistrationController.java
index c42bcad..d2869a8 100644
--- a/src/netKnow/controller/RegistrationController.java
+++ b/src/netKnow/controller/RegistrationController.java
@@ -10,6 +10,7 @@
 import netKnow.MailSender;
 import netKnow.PasswordEncrypter;
 import netKnow.scene.LoginScene;
+import netKnow.scene.SuccessfulRegistrationScene;
 
 import javax.mail.MessagingException;
 import java.security.MessageDigest;
@@ -85,6 +86,7 @@ void initialize(){
                             } catch (MessagingException e1) {
                                 e1.printStackTrace();
                             }
+                            new SuccessfulRegistrationScene(scene);
                         }else{
                             registrationErrorLabel.setText("Hasła nie pasują do siebie");
                         }
diff --git a/src/netKnow/controller/RoutingController.java b/src/netKnow/controller/RoutingController.java
index 049b8f6..c530753 100644
--- a/src/netKnow/controller/RoutingController.java
+++ b/src/netKnow/controller/RoutingController.java
@@ -78,7 +78,7 @@ private void initialize() {
 
         String [] labels = {"Komputer", "Router", "Switch", "Chodar"};
         //populate left pane with multiple colored icons for testing
-        for (int i = 0; i < 4; i++) {
+        for (int i = 0; i < 3; i++) {
 
             DragIcon icn = new DragIcon();
             Label descriptionLabel = new Label(labels[i]);
diff --git a/src/netKnow/controller/SuccessfulRegistrationController.java b/src/netKnow/controller/SuccessfulRegistrationController.java
new file mode 100644
index 0000000..5aa8c8e
--- /dev/null
+++ b/src/netKnow/controller/SuccessfulRegistrationController.java
@@ -0,0 +1,29 @@
+package netKnow.controller;
+
+import javafx.fxml.FXML;
+import javafx.scene.Scene;
+import javafx.scene.control.Button;
+import javafx.scene.control.Label;
+import netKnow.scene.LoginScene;
+
+public class SuccessfulRegistrationController {
+
+    private Scene scene;
+    @FXML
+    private Label infoLabel;
+
+    @FXML
+    private Button loginButton;
+
+
+    @FXML
+    void initialize(){
+        loginButton.setOnAction(e ->{
+            new LoginScene(scene);
+        });
+    }
+
+    public void setScene(Scene scene){
+        this.scene = scene;
+    }
+}
diff --git a/src/netKnow/fxml/network_aggregation.fxml b/src/netKnow/fxml/network_aggregation.fxml
index 21b8a93..2538644 100644
--- a/src/netKnow/fxml/network_aggregation.fxml
+++ b/src/netKnow/fxml/network_aggregation.fxml
@@ -10,7 +10,7 @@
 <?import javafx.scene.layout.VBox?>
 <?import javafx.scene.text.Font?>
 
-<GridPane maxHeight="-Infinity" maxWidth="-Infinity" minHeight="-Infinity" minWidth="-Infinity" prefHeight="400.0" prefWidth="600.0" xmlns:fx="http://javafx.com/fxml/1" xmlns="http://javafx.com/javafx/8.0.111" fx:controller="netKnow.controller.AggregationController">
+<GridPane maxHeight="-Infinity" maxWidth="-Infinity" minHeight="-Infinity" minWidth="-Infinity" prefHeight="400.0" prefWidth="600.0" xmlns="http://javafx.com/javafx/8.0.111" xmlns:fx="http://javafx.com/fxml/1" fx:controller="netKnow.controller.AggregationController">
   <columnConstraints>
     <ColumnConstraints halignment="CENTER" hgrow="SOMETIMES" minWidth="10.0" prefWidth="100.0" />
   </columnConstraints>
@@ -43,6 +43,7 @@
       <GridPane GridPane.rowIndex="2">
         <columnConstraints>
           <ColumnConstraints hgrow="SOMETIMES" minWidth="10.0" prefWidth="100.0" />
+            <ColumnConstraints halignment="CENTER" hgrow="SOMETIMES" minWidth="10.0" percentWidth="60.0" prefWidth="100.0" />
           <ColumnConstraints halignment="RIGHT" hgrow="SOMETIMES" minWidth="10.0" prefWidth="100.0" />
         </columnConstraints>
         <rowConstraints>
@@ -54,11 +55,12 @@
                   <Insets left="20.0" top="5.0" />
                </GridPane.margin>
             </Button>
-            <Button fx:id="aggregateButton" mnemonicParsing="false" text="Agreguj" GridPane.columnIndex="1">
+            <Button fx:id="aggregateButton" mnemonicParsing="false" text="Agreguj" GridPane.columnIndex="2">
                <GridPane.margin>
                   <Insets right="20.0" top="5.0" />
                </GridPane.margin>
             </Button>
+            <Label fx:id="errorLabel" GridPane.columnIndex="1" textFill="#fc0000"/>
          </children>
          <GridPane.margin>
             <Insets bottom="10.0" />
diff --git a/src/netKnow/fxml/successful_registration.fxml b/src/netKnow/fxml/successful_registration.fxml
new file mode 100644
index 0000000..272c91b
--- /dev/null
+++ b/src/netKnow/fxml/successful_registration.fxml
@@ -0,0 +1,26 @@
+<?xml version="1.0" encoding="UTF-8"?>
+
+<?import javafx.geometry.Insets?>
+<?import javafx.scene.control.Button?>
+<?import javafx.scene.control.Label?>
+<?import javafx.scene.layout.VBox?>
+<?import javafx.scene.text.Font?>
+
+<VBox alignment="CENTER" maxHeight="-Infinity" maxWidth="-Infinity" minHeight="-Infinity" minWidth="-Infinity" prefHeight="400.0" prefWidth="600.0" xmlns="http://javafx.com/javafx/8.0.111" xmlns:fx="http://javafx.com/fxml/1" fx:controller="netKnow.controller.SuccessfulRegistrationController">
+   <children>
+      <Label text="Rejestracja przebiegła pomyślnie">
+         <font>
+            <Font name="System Bold" size="24.0" />
+         </font>
+         <VBox.margin>
+            <Insets bottom="20.0" top="20.0" />
+         </VBox.margin>
+      </Label>
+      <Label fx:id="infoLabel" text="Na podany przez Ciebie adres email zostały przesłane dane rejestracji.&#10;Dziękujemy za rejestrację w naszej aplikacji!" textAlignment="CENTER">
+         <VBox.margin>
+            <Insets bottom="20.0" top="10.0" />
+         </VBox.margin>
+      </Label>
+      <Button fx:id="loginButton" mnemonicParsing="false" text="Wróć do logowania" />
+   </children>
+</VBox>
diff --git a/src/netKnow/resources/application.css b/src/netKnow/resources/application.css
index cb55cd0..029d50d 100644
--- a/src/netKnow/resources/application.css
+++ b/src/netKnow/resources/application.css
@@ -19,11 +19,6 @@
     -fx-background-position: center;
     -fx-background-size: 100% 100%;
 }
-.icon-label {
-    -fx-background-image: url("chodar.png");
-    -fx-background-position: center;
-    -fx-background-size: 100% 100%;
-}
 
 .draggable-icon {
     -fx-border-width: 1;
diff --git a/src/netKnow/resources/chodar.png b/src/netKnow/resources/chodar.png
deleted file mode 100644
index 65a5863..0000000
Binary files a/src/netKnow/resources/chodar.png and /dev/null differ
diff --git a/src/netKnow/resources/ruszil.png b/src/netKnow/resources/ruszil.png
deleted file mode 100644
index a426ff3..0000000
Binary files a/src/netKnow/resources/ruszil.png and /dev/null differ
diff --git a/src/netKnow/resources/slowiak.png b/src/netKnow/resources/slowiak.png
deleted file mode 100644
index c0e7487..0000000
Binary files a/src/netKnow/resources/slowiak.png and /dev/null differ
diff --git a/src/netKnow/resources/switch.png b/src/netKnow/resources/switch.png
deleted file mode 100644
index ace80c3..0000000
Binary files a/src/netKnow/resources/switch.png and /dev/null differ
diff --git a/src/netKnow/resources/turek.png b/src/netKnow/resources/turek.png
deleted file mode 100644
index b893897..0000000
Binary files a/src/netKnow/resources/turek.png and /dev/null differ
diff --git a/src/netKnow/scene/DraggableNodePopUp.java b/src/netKnow/scene/DraggableNodePopUp.java
index 911cb30..5723096 100644
--- a/src/netKnow/scene/DraggableNodePopUp.java
+++ b/src/netKnow/scene/DraggableNodePopUp.java
@@ -6,9 +6,9 @@
 import javafx.scene.control.Button;
 import javafx.scene.control.Label;
 import javafx.scene.control.TextField;
+import javafx.scene.input.KeyCode;
 import javafx.scene.layout.ColumnConstraints;
 import javafx.scene.layout.GridPane;
-import javafx.scene.layout.HBox;
 import javafx.scene.layout.VBox;
 import javafx.scene.text.Font;
 import javafx.scene.text.FontWeight;
@@ -49,7 +49,6 @@ public static DraggableNodeData display(){
         options.addRow(0, nameLabel, nameField);
         options.addRow(1, hostLabel, hostField);
 
-
         Button applyButton = new Button("Zatwierdź");
         Button cancelButton = new Button("Anuluj");
         applyButton.setPrefSize(100, 40);
@@ -85,9 +84,16 @@ public static DraggableNodeData display(){
 
         cancelButton.setOnAction(e -> {
             draggableNodeData = null;
+            resetTextFields();
             window.close();
         });
 
+        hostField.setOnKeyPressed(e -> {
+            if(e.getCode() == KeyCode.ENTER){
+                applyButton.fire();
+            }
+        });
+
         Scene scene = new Scene(layout);
         window.setScene(scene);
         window.showAndWait();
diff --git a/src/netKnow/scene/NodeLinkPopUp.java b/src/netKnow/scene/NodeLinkPopUp.java
index f7d138a..c8016ef 100644
--- a/src/netKnow/scene/NodeLinkPopUp.java
+++ b/src/netKnow/scene/NodeLinkPopUp.java
@@ -5,6 +5,7 @@
 import javafx.geometry.Pos;
 import javafx.scene.Scene;
 import javafx.scene.control.*;
+import javafx.scene.input.KeyCode;
 import javafx.scene.layout.*;
 import javafx.scene.paint.Paint;
 import javafx.scene.text.Font;
@@ -111,9 +112,16 @@ public static NodeLinkData display(){
 
         cancelButton.setOnAction(e ->{
             someIP = null;
+            resetTextFields();
             window.close();
         });
 
+        typeOfConnectionChoiceBox.setOnKeyPressed(e -> {
+            if(e.getCode() == KeyCode.ENTER){
+                applyButton.fire();
+            }
+        });
+
         Scene scene = new Scene(layout);
         window.setScene(scene);
         window.showAndWait();
diff --git a/src/netKnow/scene/SingleIP.java b/src/netKnow/scene/SingleIP.java
index 0d60cca..773bf89 100644
--- a/src/netKnow/scene/SingleIP.java
+++ b/src/netKnow/scene/SingleIP.java
@@ -2,6 +2,7 @@
 
 import com.sun.javafx.sg.prism.NGNode;
 import javafx.geometry.Insets;
+import javafx.geometry.Pos;
 import javafx.scene.control.Label;
 import javafx.scene.control.TextField;
 import javafx.scene.layout.HBox;
@@ -15,6 +16,7 @@ public class SingleIP extends HBox{
     VBox vBox;
     public SingleIP(VBox vBox){
         hBox = new HBox();
+        hBox.setAlignment(Pos.CENTER);
         this.vBox = vBox;
 
         tv1 = new TextField();
diff --git a/src/netKnow/scene/SuccessfulRegistrationScene.java b/src/netKnow/scene/SuccessfulRegistrationScene.java
new file mode 100644
index 0000000..5380290
--- /dev/null
+++ b/src/netKnow/scene/SuccessfulRegistrationScene.java
@@ -0,0 +1,40 @@
+package netKnow.scene;
+
+import javafx.fxml.FXMLLoader;
+import javafx.scene.Scene;
+import javafx.scene.layout.VBox;
+import netKnow.controller.SuccessfulRegistrationController;
+
+import java.io.IOException;
+
+/**
+ * Created by MQ on 2017-05-25.
+ */
+public class SuccessfulRegistrationScene {
+    private Scene scene;
+    private FXMLLoader loader;
+    private SuccessfulRegistrationController successfulRegistrationController;
+
+    public SuccessfulRegistrationScene(Scene scene) {
+        this.scene = scene;
+        setScene();
+        setController();
+    }
+
+    private void setScene() {
+        loader = new FXMLLoader();
+        loader.setLocation(getClass().getResource("/netKnow/fxml/successful_registration.fxml"));
+
+        try {
+            VBox content = loader.load();
+            scene.setRoot(content);
+        } catch (IOException e) {
+            e.printStackTrace();
+        }
+    }
+
+    private void setController() {
+        successfulRegistrationController = loader.getController();
+        successfulRegistrationController.setScene(scene);
+    }
+}