diff --git a/src/brovski-adress-etiketten-verwaltung.py b/src/brovski-adress-etiketten-verwaltung.py
index b00c2f3..e96f0e5 100644
--- a/src/brovski-adress-etiketten-verwaltung.py
+++ b/src/brovski-adress-etiketten-verwaltung.py
@@ -9,7 +9,13 @@ from tkinter import messagebox
 from tkinter import ttk
 import json
 
-from PyInstaller.utils.hooks import collect_data_files
+
+def show_error(message_title: str, message: str, parent: tk.Tk | tk.Toplevel):
+    messagebox.showwarning(
+        title=message_title,
+        message=message,
+        parent=parent
+    )
 
 
 class SettingsWindow(tk.Toplevel):
@@ -32,7 +38,8 @@ class SettingsWindow(tk.Toplevel):
 
         tk.Label(path_frame, text="Datenpfad JSON Datei").grid(row=0, column=0)
         tk.Entry(path_frame, textvariable=self.json_file, width=50).grid(row=1, column=0)
-        tk.Button(path_frame, text="Pfad", command=lambda: self.set_json_path(self.json_file.get())).grid(row=1, column=1)
+        tk.Button(path_frame, text="Pfad", command=lambda: self.set_json_path(self.json_file.get())).grid(row=1,
+                                                                                                          column=1)
 
         tk.Label(path_frame, text="Datenpfad CSV Export Datei").grid(row=2, column=0)
         tk.Entry(path_frame, textvariable=self.csv_file, width=50).grid(row=3, column=0)
@@ -76,7 +83,9 @@ class SettingsWindow(tk.Toplevel):
 
     def ok(self):
         if self.json_file.get() == "" or self.csv_file.get() == "":
-            messagebox.showwarning(title="Fehlerhafte Konfiguration", message="Pfad für JSON oder CSV Datei fehlt")
+            show_error(message_title="Fehlerhafte Konfiguration",
+            message="Pfad für JSON oder CSV Datei fehlt",
+            parent=self)
             return
         self.config.set("json", "path", self.json_file.get())
         self.config.set("csv", "path", self.csv_file.get())
@@ -167,8 +176,10 @@ class Application:
 
         # leave application if settings are bad
         if not self.config_good:
-            self.show_error("Fehler Konfiguration",
-                            "Die Konfiguration ist fehlerhaft, bitte prüfe deine config.ini")
+            show_error(message_title="Fehler Konfiguration",
+            message="Die Konfiguration ist fehlerhaft, bitte prüfe deine config.ini",
+            parent=self.root
+            )
             sys.exit()
 
         top_frame = tk.Frame(self.root)
@@ -241,9 +252,9 @@ class Application:
             self.show_settings()
 
     def show_config_error(self):
-        if self.show_error("Fehlerhafte Konfiguration",
-                           "Konnte benötigte Parameter in config.ini nicht finden"):
-            print("Fehlerhafte Konfiguration")
+        show_error(message_title="Fehlerhafte Konfiguration",
+        message="Konnte benötigte Parameter in config.ini nicht finden",
+        parent=self.root)
 
     def on_close(self):
         self.root.destroy()
@@ -364,9 +375,10 @@ class Application:
                 self.address_list = json.load(f)
                 self.address_list.sort(key=lambda x: (x[0], x[1]))
         except FileNotFoundError:
-            self.show_error(
+            show_error(
                 message_title="Datei nicht gefunden",
-                message=f"{self.json_file_name} nicht gefunden, erstelle leere Datei unter {self.json_path}"
+                message=f"{self.json_file_name} nicht gefunden, erstelle leere Datei unter {self.json_path}",
+                parent=self.root
             )
             self.address_list = [["", "firma", "name", "adresse", "plz/ort"]]
             with open(self.json_file, "w", encoding="utf-8") as f:
@@ -379,8 +391,10 @@ class Application:
             with open(self.json_file, "w", encoding="utf-8") as f:
                 json.dump(self.address_list, f, indent=4, sort_keys=True)
         except FileNotFoundError:
-            self.show_error(
-                message_title="Unexpected Error: File not found?!", message=f"{self.json_file_name} not found"
+            show_error(
+                message_title="Unexpected Error: File not found?!",
+                message=f"{self.json_file_name} not found",
+                parent=self.root
             )
 
     def export_csv(self):
@@ -395,7 +409,10 @@ class Application:
                         del address[0]
                     writer.writerow(address)
         except FileNotFoundError:
-            self.show_error("Unexpected error", f"Could not write file {self.csv_file}")
+            show_error(message_title="Unexpected error",
+            message=f"Could not write file {self.csv_file}",
+            parent=self.root
+            )
 
     def populate_table(self):
         self.delete_all_table_items()
@@ -413,10 +430,6 @@ class Application:
         for item in self.table.get_children():
             self.table.delete(item)
 
-    @staticmethod
-    def show_error(message_title: str, message: str):
-        messagebox.showwarning(title=message_title, message=message)
-
 
 if __name__ == '__main__':
     Application()