diff --git a/seminarwahl_cleaner.py b/seminarwahl_cleaner.py
index d524eae..630fc46 100644
--- a/seminarwahl_cleaner.py
+++ b/seminarwahl_cleaner.py
@@ -1,4 +1,6 @@
 import re
+import sys
+import io
 import tkinter as tk
 import tkinter.filedialog as tkfd
 import tkinter.messagebox as tkm
@@ -9,26 +11,37 @@ root.rowconfigure(0, weight=3)
 root.columnconfigure(0, weight=1)
 root.columnconfigure(1, weight=1)
 root.columnconfigure(2, weight=1)
+root.columnconfigure(3, weight=1)
 
 content = ""
 content_lines = list()
 newcontent = ""
 fname = ""
 
+if sys.platform == "win32":
+    out_encoding = "cp1252"
+else:
+    out_encoding = "utf-8"
+
 def load_file(event=None):
     global content
     global content_lines
     global fname
     fname = tkfd.askopenfilename(filetypes=(("CSV files","*.csv"),("text files","*.txt")))
-    try:
-        f = open(fname, mode='r')
+    try:               
+        f = io.open(fname, mode='rt', encoding='utf-8', newline="") # mit allen Steuerzeichen
         content = f.read()
-        f.seek(0)
-        for line in f:
+        content = content.replace("\r","")
+        content_orig_lines = content.split("\n")
+        for line in content_orig_lines:
+            line = line.replace("\r","")
+            print(line)
             content_lines.append(line)
         t_preview.insert(0.0,content)
         f.close()
-    except:
+    except Exception as e:
+        print(e)
+        content = [""]
         tkm.showerror(title="Fehler beim Öffnen",
                       message="Öffnen der Datei fehlgeschlagen.")
 
@@ -44,8 +57,12 @@ def clean(event=None):
         tc = [e.strip() for e in tc]
         print(tc)
         # Umsortieren
-        tcnew = [tc[-1]] + [tc[1]] + [tc[0]] + tc[2:-1]
-        tcnew[-1] = tcnew[-1] + "\n"
+        try:
+            tcnew = [tc[-1]] + [tc[1]] + [tc[0]] + tc[2:-1]
+            tcnew[-1] = tcnew[-1] + "\n"
+        except Exception as e:
+            print(e)
+            break
         newline = ",".join(tcnew)
         newcontent += newline
     t_preview.insert(0.0,newcontent)
@@ -54,6 +71,7 @@ def clean(event=None):
 def save_file(event=None):
     global fname
     global newcontent
+    global out_encoding
 
     if fname == "":
         tkm.showerror(title="Fehler beim Speichern",
@@ -62,11 +80,12 @@ def save_file(event=None):
     
     fname_new = fname[:-4] + "c" + ".csv"
     try:
-        f = open(fname_new, mode='w')
+        f = open(fname_new, mode='w', encoding=out_encoding, errors='replace')
         f.write(newcontent)
         tkm.showinfo(title="Gespeichert",
                       message="Datei unter {} gespeichert.".format(fname_new))
-    except:
+    except Exception as e:
+        print(e)
         tkm.showerror(title="Fehler beim Speichern",
                       message="Speichern fehlgeschlagen")
 
@@ -86,7 +105,7 @@ bt_quit = tk.Button(root, text="Beenden", fg="red")
 bt_quit.grid(row=0, column=3)
 bt_quit["command"] = root.destroy
 
-t_preview = tk.Text(root, height = 10, width = 150)
+t_preview = tk.Text(root, height = 15, width = 150)
 t_preview.grid(row=1, column=0, columnspan=3, sticky="nwse")
 
 root.mainloop()