diff --git a/pom.xml b/pom.xml
index d05d97a..008e683 100644
--- a/pom.xml
+++ b/pom.xml
@@ -52,6 +52,16 @@
     <artifactId>github-api</artifactId>
     <version>1.127</version>
 </dependency>
+<dependency>
+    <groupId>com.sun.mail</groupId>
+    <artifactId>javax.mail</artifactId>
+    <version>1.6.2</version>
+</dependency>
+<dependency>
+    <groupId>mysql</groupId>
+    <artifactId>mysql-connector-java</artifactId>
+    <version>8.0.33</version>
+</dependency>
 <dependency>
   <groupId>io.qtjambi</groupId>
   <artifactId>qtjambi</artifactId>
diff --git a/src/data/DownloadLevels.java b/src/data/DownloadLevels.java
index 708ecb8..6ce2634 100644
--- a/src/data/DownloadLevels.java
+++ b/src/data/DownloadLevels.java
@@ -83,6 +83,7 @@ public class DownloadLevels {
         	                fileOutputStream.write(dataBuffer, 0, bytesRead);
         	                
         	            }
+        	            
         	        } catch (IOException e) {
         	            e.printStackTrace();
         	        }
diff --git a/src/errorhandler/ErrorHandler.java b/src/errorhandler/ErrorHandler.java
new file mode 100644
index 0000000..025836b
--- /dev/null
+++ b/src/errorhandler/ErrorHandler.java
@@ -0,0 +1,21 @@
+package errorhandler;
+
+import java.io.PrintWriter;
+import java.io.StringWriter;
+
+import javax.swing.JOptionPane;
+
+public class ErrorHandler {
+	
+	public void newError(Throwable e) {
+		e.printStackTrace();
+		
+		StringWriter sw = new StringWriter();
+        PrintWriter pw = new PrintWriter(sw);
+        e.printStackTrace(pw);
+		
+		JOptionPane.showMessageDialog(null, sw.toString() + "", e.getMessage(), JOptionPane.ERROR_MESSAGE);
+        System.exit(-1);
+	}
+
+}
diff --git a/src/errorhandler/ErrorSubmission.java b/src/errorhandler/ErrorSubmission.java
new file mode 100644
index 0000000..b559320
--- /dev/null
+++ b/src/errorhandler/ErrorSubmission.java
@@ -0,0 +1,18 @@
+package errorhandler;
+
+import java.util.Properties;
+
+import javax.mail.Authenticator;
+import javax.mail.Message;
+import javax.mail.MessagingException;
+import javax.mail.PasswordAuthentication;
+import javax.mail.Session;
+import javax.mail.Transport;
+import javax.mail.internet.InternetAddress;
+import javax.mail.internet.MimeMessage;
+
+public class ErrorSubmission {
+	
+	
+
+}
diff --git a/src/main/Main.java b/src/main/Main.java
index 273c262..ffd1825 100644
--- a/src/main/Main.java
+++ b/src/main/Main.java
@@ -3,11 +3,14 @@ package main;
 import java.io.IOException;
 import java.util.zip.DataFormatException;
 
+import javax.swing.JOptionPane;
+
 import api.GetApiData;
 import data.FetchData;
 import data.ManageFiles;
 import database.DatabaseManager;
 import database.Sqlite;
+import errorhandler.ErrorHandler;
 import filestructure.CreateFileStructure;
 import gui.LoadMenu;
 import preload.PreChecks;
@@ -16,6 +19,16 @@ import settingsfunctions.LoadSettings;
 public class Main {
 	
 	public static void main(String[] args) throws IOException, DataFormatException { 
+		
+		Thread.setDefaultUncaughtExceptionHandler(new Thread.UncaughtExceptionHandler() {
+            @Override
+            public void uncaughtException(Thread t, Throwable e) {
+                ErrorHandler error = new ErrorHandler();
+                error.newError(e);
+            }
+        });
+		
+		try {
 
 		LoadMenu load = new LoadMenu();
 		load.onLoad();
@@ -54,6 +67,10 @@ public class Main {
 
 		load.updateBar("Ladevorgang abgeschlossen");
 		load.close();
+		
+		} catch (Exception e) {
+			System.out.println("fehler");
+		}
 	}
 
 }
diff --git a/src/module-info.java b/src/module-info.java
index b6e02a2..8ef6234 100644
--- a/src/module-info.java
+++ b/src/module-info.java
@@ -10,4 +10,5 @@
 		requires java.xml;
 		requires org.apache.commons.codec;
 		requires github.api;
+		requires java.mail;
 	}
\ No newline at end of file