diff --git a/start.sh b/start.sh
index 4bcbbc6..d744ae8 100644
--- a/start.sh
+++ b/start.sh
@@ -1,21 +1,28 @@
 #!/bin/bash
 
-# VNC Passwort setzen (Standard: changeme)
-echo "changeme" | vncpasswd -f > /root/.vnc/passwd
-chmod 600 /root/.vnc/passwd
+export USER=root
+export HOME=/root
+export DISPLAY=:1
 
-# xstartup konfigurieren
-cat <<EOF > /root/.vnc/xstartup
+# VNC Passwort setzen
+mkdir -p $HOME/.vnc
+echo "${VNC_PASSWORD:-changeme}" | vncpasswd -f > $HOME/.vnc/passwd
+chmod 600 $HOME/.vnc/passwd
+
+# Alte Locks entfernen (wichtig!)
+rm -rf /tmp/.X1-lock /tmp/.X11-unix/X1
+
+# xstartup korrekt setzen
+cat > $HOME/.vnc/xstartup <<EOF
 #!/bin/bash
 unset SESSION_MANAGER
 unset DBUS_SESSION_BUS_ADDRESS
-exec startxfce4 &
+exec dbus-launch --exit-with-session startxfce4
 EOF
 
-chmod +x /root/.vnc/xstartup
+chmod +x $HOME/.vnc/xstartup
 
 # VNC Server starten
-vncserver -geometry 1280x800 -depth 24 $DISPLAY
+vncserver :1 -geometry 1280x800 -depth 24
 
-# Container offen halten
-tail -f /root/.vnc/*.log
\ No newline at end of file
+tail -f $HOME/.vnc/*.log
\ No newline at end of file