diff --git a/DocuMentor.wxs b/DocuMentor.wxs
index f841036..2db2d42 100644
--- a/DocuMentor.wxs
+++ b/DocuMentor.wxs
@@ -4,7 +4,7 @@
   <!-- Paket-Definition (ersetzt Product in v4) -->
   <Package 
     Name="DocuMentor" 
-    Version="1.6.0"
+    Version="1.6.1"
     Manufacturer="Vitali Graf / Software- und Datenbankentwicklung" 
     UpgradeCode="F498B66C-726D-44AA-95F4-CB4FBDCEF26E"
     Language="1031"
diff --git a/THIRD_PARTY_LICENSES.txt b/THIRD_PARTY_LICENSES.txt
index 1eb902f..22cb0a6 100644
--- a/THIRD_PARTY_LICENSES.txt
+++ b/THIRD_PARTY_LICENSES.txt
@@ -253,5 +253,5 @@ HINWEISE
 
 ================================================================================
 Stand: April 2026
-Erstellt für: DocuMentor v1.6.0
+Erstellt für: DocuMentor v1.6.1
 ================================================================================
diff --git a/installer.iss b/installer.iss
index 7417a22..74f01e1 100644
--- a/installer.iss
+++ b/installer.iss
@@ -10,7 +10,7 @@
 ; Build-Befehl: iscc installer.iss
 
 #define MyAppName "DocuMentor"
-#define MyAppVersion "1.6.0"
+#define MyAppVersion "1.6.1"
 #define MyAppPublisher "Ihr Name/Organisation"
 #define MyAppURL "https://github.com/yourusername/xsl-validator"
 #define MyAppExeName "DocuMentor.exe"
diff --git a/pyproject.toml b/pyproject.toml
index 6de9a21..e34b2d7 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [project]
 name = "DocuMentor"
-version = "1.6.0"
+version = "1.6.1"
 description = "Professionelle XSL-Transformations-Verwaltung und PDF-Generierung"
 readme = "README.md"
 license = {text = "MIT"}
diff --git a/src/main.py b/src/main.py
index 472ee05..b0e6e00 100644
--- a/src/main.py
+++ b/src/main.py
@@ -1,6 +1,8 @@
 import sys
 import logging
+from pathlib import Path
 
+from PySide6.QtGui import QIcon
 from PySide6.QtWidgets import QApplication
 
 from ui.MainWindow import MainWindow
@@ -80,9 +82,19 @@ def main():
     # Alte Log-Dateien aufräumen (erst nach Logger-Init)
     cleanup_old_logs(log_dir, max_age_hours=24)
 
+    # Unter Windows: AppUserModelID setzen, damit die Taskleiste das richtige Symbol zeigt
+    if sys.platform == "win32":
+        import ctypes
+        ctypes.windll.shell32.SetCurrentProcessExplicitAppUserModelID("de.vitaligraf.documentor")
+
     # QApplication-Instanz erstellen
     app = QApplication(sys.argv)
 
+    # App-Symbol setzen
+    icon_path = Path(__file__).parent.parent / "resources" / "icon.ico"
+    if icon_path.exists():
+        app.setWindowIcon(QIcon(str(icon_path)))
+
     # Hauptfenster erstellen
     window = MainWindow()
 
diff --git a/uv.lock b/uv.lock
index b078643..b690569 100644
--- a/uv.lock
+++ b/uv.lock
@@ -34,7 +34,7 @@ wheels = [
 
 [[package]]
 name = "documentor"
-version = "1.6.0"
+version = "1.6.1"
 source = { virtual = "." }
 dependencies = [
     { name = "connectorx" },