diff --git a/src/main/java/de/paginagmbh/epubchecker/PaginaEPUBChecker.java b/src/main/java/de/paginagmbh/epubchecker/PaginaEPUBChecker.java
index 4ff8784..996c224 100644
--- a/src/main/java/de/paginagmbh/epubchecker/PaginaEPUBChecker.java
+++ b/src/main/java/de/paginagmbh/epubchecker/PaginaEPUBChecker.java
@@ -12,6 +12,8 @@
 import javax.swing.JFrame;
 import javax.swing.UIManager;
 
+import de.paginagmbh.epubchecker.PreferenceManager.Preference;
+
 
 
 /**
@@ -131,6 +133,8 @@ public PaginaEPUBChecker(String[] args) {
 
 				// write window dimension and position to config file
 				StringHelper.writeStringToFile(FileManager.path_WindowFile, (int)MainGuiDimension.getWidth() + "x" + (int)MainGuiDimension.getHeight() + "@" + (int)MainGuiPosition.getX() + "," + (int)MainGuiPosition.getY());
+				PreferenceManager.savePref(Preference.WINDOWPOSITION, (int)MainGuiPosition.getX() + "," + (int)MainGuiPosition.getY());
+				System.out.println(PreferenceManager.getPref(Preference.WINDOWPOSITION));
 			}
 		});
 	}
diff --git a/src/main/java/de/paginagmbh/epubchecker/PreferenceManager.java b/src/main/java/de/paginagmbh/epubchecker/PreferenceManager.java
new file mode 100644
index 0000000..b1cdb22
--- /dev/null
+++ b/src/main/java/de/paginagmbh/epubchecker/PreferenceManager.java
@@ -0,0 +1,29 @@
+package de.paginagmbh.epubchecker;
+
+import java.util.prefs.BackingStoreException;
+import java.util.prefs.Preferences;
+
+
+public class PreferenceManager {
+
+	private static String prefsNode = "de/paginagmbh/epubchecker";
+	public enum Preference {
+		WINDOWPOSITION;
+	}
+
+	public static String getPref(Preference pref) {
+		Preferences prefs = Preferences.userRoot().node(prefsNode);
+		return prefs.get(pref.toString().toLowerCase(), null);
+	}
+
+	public static void savePref(Preference pref, String value) {
+		Preferences prefs = Preferences.userRoot().node(prefsNode);
+		prefs.put(pref.toString().toLowerCase(), value);
+		try {
+			prefs.flush();
+		} catch (BackingStoreException e) {
+			// TODO Auto-generated catch block
+			e.printStackTrace();
+		}
+	}
+}