diff --git a/EXEC.bat b/EXEC.bat
new file mode 100644
index 0000000..bf31763
--- /dev/null
+++ b/EXEC.bat
@@ -0,0 +1,8 @@
+@echo off
+cd /d %~dp0
+echo Starting OPC UA Robot Control Dashboard...
+echo.
+
+REM Use conda run instead of activate (more reliable)
+conda run -n opcua_com streamlit run app.py --server.port 8505
+
diff --git a/EXEC_DASHBOARD.bat b/EXEC_DASHBOARD.bat
deleted file mode 100644
index a562816..0000000
--- a/EXEC_DASHBOARD.bat
+++ /dev/null
@@ -1,29 +0,0 @@
-@echo off
-cd /d %~dp0
-echo Starting OPC UA Robot Control Dashboard...
-echo.
-
-REM Check if conda is available
-where conda >nul 2>nul
-if %ERRORLEVEL% NEQ 0 (
-    echo ERROR: Conda is not installed or not in PATH
-    echo Please install Anaconda or Miniconda first
-    pause
-    exit /b 1
-)
-
-echo Setting up conda environment...
-
-REM Try to create environment, if it exists, update it
-conda env create -f environment.yml 2>nul
-if %ERRORLEVEL% NEQ 0 (
-    echo Environment already exists, updating...
-    conda env update -f environment.yml
-)
-
-echo.
-echo Starting Streamlit app on port 8505 using conda run...
-conda run -n opcua_com --no-capture-output streamlit run app.py --server.port 8505
-echo.
-echo Streamlit exited with code %ERRORLEVEL%.
-pause
diff --git a/INSTALL.bat b/INSTALL.bat
new file mode 100644
index 0000000..08aa7d7
--- /dev/null
+++ b/INSTALL.bat
@@ -0,0 +1,44 @@
+@echo off
+cd /d %~dp0
+echo Installing OPC UA Robot Control Dashboard...
+echo.
+
+REM Check if conda is available
+where conda >nul 2>nul
+if %ERRORLEVEL% NEQ 0 (
+    echo ERROR: Conda is not installed or not in PATH
+    echo Please install Anaconda or Miniconda first
+    pause
+    exit /b 1
+)
+
+echo Checking if environment 'opcua_com' exists...
+
+REM Check if environment exists using conda info --envs
+conda info --envs | findstr "opcua_com" >nul 2>&1
+if %ERRORLEVEL% EQU 0 (
+    echo Environment 'opcua_com' found, updating...
+    conda env update -f environment.yml
+    if %ERRORLEVEL% NEQ 0 (
+        echo WARNING: Failed to update environment, but continuing...
+    ) else (
+        echo Environment updated successfully!
+    )
+) else (
+    echo Environment 'opcua_com' not found, creating...
+    conda env create -f environment.yml
+    if %ERRORLEVEL% NEQ 0 (
+        echo ERROR: Failed to create environment
+        echo Please check the environment.yml file
+        pause
+        exit /b 1
+    ) else (
+        echo Environment created successfully!
+    )
+)
+
+echo.
+echo Environment 'opcua_com' is ready!
+echo You can now run EXEC.bat to start the dashboard.
+echo.
+pause
\ No newline at end of file
diff --git a/app.py b/app.py
index 633472a..817ed79 100644
--- a/app.py
+++ b/app.py
@@ -103,8 +103,7 @@ def is_opcua_connected(OPCcon) -> bool:
     try:
         if OPCcon is None:
             return False
-        client = OPCcon.opcuaclient
-        return hasattr(client, 'uaclient') and client.uaclient and getattr(client.uaclient, 'session', None) is not None
+        return OPCcon.check_connection() == 1
     except Exception:
         return False
 
@@ -119,35 +118,6 @@ def add_log(message):
     """No-op logger (logs disabled for minimal UI)."""
     return None
 
-def check_opcua_server(OPCcon):
-    """Check if OPC UA server is reachable"""
-    try:
-        # Check if already connected
-        if hasattr(OPCcon.opcuaclient, 'uaclient') and OPCcon.opcuaclient.uaclient:
-            add_log("✅ OPC UA server already connected")
-            return True
-        
-        # Try to connect
-        OPCcon.opcuaclient.connect()
-        add_log("✅ OPC UA server is reachable")
-        return True
-    except Exception as e:
-        add_log(f"❌ Error connecting to OPC UA server: {e}")
-        return False
-
-def establish_connection(OPCcon):
-    """Establish connection to OPC UA server"""
-    try:
-        if OPCcon.opcuaclient.uaclient:
-            add_log("✅ OPC UA connection established")
-            return True
-        else:
-            add_log("❌ Error establishing connection")
-            return False
-    except Exception as e:
-        add_log(f"❌ Error establishing connection: {e}")
-        return False
-
 def push_button(OPCcon, btn_name):
     """Push a button on the OPC UA server"""
     try:
@@ -165,17 +135,16 @@ def push_button(OPCcon, btn_name):
 def initialize_connection():
     """Initialize OPC UA connection"""
     try:
-        config = yaml.safe_load(open('./cfg.yaml'))
+        config = yaml.safe_load(_APP_CFG)
         OPCcon = opcua_connector(config)
         
-        # Check server
-        if check_opcua_server(OPCcon):
-            # Establish connection
-            if establish_connection(OPCcon):
-                st.session_state.opcua_connector = OPCcon
-                st.session_state.connection_status = "Connected"
-                add_log("🎉 Connection initialized successfully")
-                return True
+        # Connect and check status
+        OPCcon.opcuaclient.connect()
+        if OPCcon.check_connection() == 1:
+            st.session_state.opcua_connector = OPCcon
+            st.session_state.connection_status = "Connected"
+            add_log("🎉 Connection initialized successfully")
+            return True
         
         st.session_state.connection_status = "Disconnected"
         return False
@@ -216,10 +185,9 @@ with st.sidebar:
                     st.session_state.opcua_connector.influxclient.close()
                     add_log("📊 InfluxDB connection closed")
                 
-                # Disconnect OPC UA
-                if hasattr(st.session_state.opcua_connector, 'opcuaclient'):
-                    st.session_state.opcua_connector.opcuaclient.disconnect()
-                    add_log("🔌 Disconnected from OPC UA server")
+                # Disconnect OPC UA using the new method
+                st.session_state.opcua_connector.disconnect()
+                add_log("🔌 Disconnected from OPC UA server")
                 
             except Exception as e:
                 add_log(f"⚠️ Warning during disconnect: {e}")
diff --git a/opcua_connector.py b/opcua_connector.py
index a1565d5..8796de9 100644
--- a/opcua_connector.py
+++ b/opcua_connector.py
@@ -22,6 +22,33 @@ class opcua_connector:
         self.influx_bucket = config['cred']["influxdb"]["bucket"]
         self.varlist_dict = self.read_varlist(config['data']["cfg_varlist"])
 
+    
+        
+    def check_connection(self):
+        '''
+        check if the connection is established
+        '''
+        try:
+            if self.opcuaclient:
+                print("ROBOT-OPCUA connection established.")
+                return 1
+            else:
+                print("ROBOT-OPCUA connection not established.")
+                return 0
+        except Exception as e:            
+            print(f"ROBOT-OPCUA Error establishing connection")
+            return 0
+
+    def disconnect(self):
+        '''
+        disconnect from the robot
+        '''
+        try:
+            self.opcuaclient.disconnect()
+        except Exception as e:
+            raise e
+
+
     def press_btn(self, btn_name):
         var = self.varlist_dict[btn_name]
         print(var)
@@ -40,15 +67,15 @@ class opcua_connector:
         object_node = self.opcuaclient.get_node("ns=2;s=/Methods")
         object_node.call_method(method_node, self.config['cred']["robot"]["username"], access_rights)
 
-def _get_opcua_data(self, var_list):
-    """ Retrieve OPC UA node values based on the list of variable nodes. """
-    return [self.opcuaclient.get_node(var).get_value() for var in var_list]
+    def _get_opcua_data(self, var_list):
+        """ Retrieve OPC UA node values based on the list of variable nodes. """
+        return [self.opcuaclient.get_node(var).get_value() for var in var_list]
 
 
-def _sent_opcua_data_impuls(self, var):
-    node = self.opcuaclient.get_node(var)
-    node.set_value(1)  # Set node to 1
-    # time.sleep(1)  # Wait for 1 second
-    # node.set_value(0)  # Set node back to 0
+    def _sent_opcua_data_impuls(self, var):
+        node = self.opcuaclient.get_node(var)
+        node.set_value(1)  # Set node to 1
+        # time.sleep(1)  # Wait for 1 second
+        # node.set_value(0)  # Set node back to 0