diff --git a/src/main/java/fabrik/simulator/pic16f84/Controller_FileSelect.java b/src/main/java/fabrik/simulator/pic16f84/Controller_FileSelect.java
index ef0b08b..2d9fcda 100644
--- a/src/main/java/fabrik/simulator/pic16f84/Controller_FileSelect.java
+++ b/src/main/java/fabrik/simulator/pic16f84/Controller_FileSelect.java
@@ -36,7 +36,7 @@ public class Controller_FileSelect {
         FileChooser fileChooser = new FileChooser();
         fileChooser.setTitle("Open LST File");
         fileChooser.getExtensionFilters().addAll(
-                new FileChooser.ExtensionFilter("LST Files", "*.lst"),
+                new FileChooser.ExtensionFilter("LST Files", "*.lst", "*.LST"),
                 new FileChooser.ExtensionFilter("All Files", "*.*"));
         return fileChooser.showOpenDialog(null);
     }
diff --git a/src/main/java/fabrik/simulator/pic16f84/CreateWindow.java b/src/main/java/fabrik/simulator/pic16f84/CreateWindow.java
index 0aa5475..67ee83f 100644
--- a/src/main/java/fabrik/simulator/pic16f84/CreateWindow.java
+++ b/src/main/java/fabrik/simulator/pic16f84/CreateWindow.java
@@ -9,7 +9,7 @@ import javafx.scene.Scene;
 import javafx.scene.control.Label;
 import javafx.scene.control.TableColumn;
 import javafx.scene.control.TableView;
-import javafx.scene.layout.AnchorPane;
+import javafx.scene.layout.GridPane;
 import javafx.scene.layout.VBox;
 import javafx.stage.Stage;
 
@@ -65,20 +65,23 @@ public class CreateWindow extends Application {
         Label pclathLabel = new Label("PCLATH: 0x" + Integer.toHexString(DataRegister.getRegister(DataRegister.getPCLATH())).toUpperCase());
         Label intconLabel = new Label("INTCON: 0x" + Integer.toHexString(DataRegister.getRegister(DataRegister.getINTCON())).toUpperCase());
 
-        FXMLLoader fxmlLoader = new FXMLLoader(CreateWindow.class.getResource("frontend.fxml"));
-        Parent loadedRoot = fxmlLoader.load();
+        FXMLLoader codewindow = new FXMLLoader(CreateWindow.class.getResource("frontend.fxml"));
+        Parent code = codewindow.load();
+
 
 
         // Erstelle einen VBox, um die TableView und Labels anzuzeigen
-        VBox root = new VBox();
-        root.getChildren().addAll(tableView, pclLabel, statusLabel, fsrLabel, pclathLabel, intconLabel);
+        VBox table = new VBox();
+        table.getChildren().addAll(tableView, pclLabel, statusLabel, fsrLabel, pclathLabel, intconLabel);
 
-        AnchorPane Parent = new AnchorPane();
-        Parent.getChildren().addAll(root, loadedRoot);
+        GridPane grid = new GridPane();
 
+        grid.add(table, 0, 1);
+        grid.add(code, 1, 1);
 
+        grid.relocate(0, 0);
 
-        Scene scene = new Scene(Parent, 1600, 800);
+        Scene scene = new Scene(grid, 1600, 800);
         primaryStage.setScene(scene);
         primaryStage.setTitle("Simulator");
         primaryStage.show();