diff --git a/PS5 NOR Modifier/Form1.cs b/PS5 NOR Modifier/Form1.cs
index 8f6dec8..fcecc0a 100644
--- a/PS5 NOR Modifier/Form1.cs	
+++ b/PS5 NOR Modifier/Form1.cs	
@@ -84,11 +84,15 @@ private void Form1_Load(object sender, EventArgs e)
         {
             // Upon first launch, we need to get a list of COM ports available for UART
             string[] ports = SerialPort.GetPortNames();
-            comboComPorts.Items.Clear();
-            comboComPorts.Items.AddRange(ports);
-            comboComPorts.SelectedIndex = 0;
-            btnConnectCom.Enabled = true;
-            btnDisconnectCom.Enabled = false;
+            if (ports != null && ports.Length > 0)
+            {
+                comboComPorts.Items.Clear();
+                comboComPorts.Items.AddRange(ports);
+                comboComPorts.SelectedIndex = 0;
+                btnConnectCom.Enabled = true;
+                btnDisconnectCom.Enabled = false;
+            }
+            else MessageBox.Show("No available COM ports were detected.", "COM Ports", MessageBoxButtons.OK, MessageBoxIcon.Information);
         }
 
         // Declare offsets to detect console version
@@ -827,11 +831,15 @@ private void btnRefreshPorts_Click(object sender, EventArgs e)
         {
             // When the "refresh ports" button is pressed, we need to refresh the list of available COM ports for UART
             string[] ports = SerialPort.GetPortNames();
-            comboComPorts.Items.Clear();
-            comboComPorts.Items.AddRange(ports);
-            comboComPorts.SelectedIndex = 0;
-            btnConnectCom.Enabled = true;
-            btnDisconnectCom.Enabled = false;
+            if (ports.Length > 0)
+            {
+                comboComPorts.Items.Clear();
+                comboComPorts.Items.AddRange(ports);
+                comboComPorts.SelectedIndex = 0;
+                btnConnectCom.Enabled = true;
+                btnDisconnectCom.Enabled = false;
+            }
+            else MessageBox.Show("Not existing COM ports were found!", "COM Ports", MessageBoxButtons.OK, MessageBoxIcon.Information);
         }
 
         private void btnConnectCom_Click(object sender, EventArgs e)