diff --git a/AIParkingApplication/Util.cs b/AIParkingApplication/Util.cs
index 1db17c6..1b350ae 100644
--- a/AIParkingApplication/Util.cs
+++ b/AIParkingApplication/Util.cs
@@ -80,6 +80,11 @@ namespace AIParkingApplication
 
         public static void UpdateImage(this PictureBox pictureBox, Bitmap image)
         {
+            if (pictureBox.IsDisposed)
+            {
+                return;
+            }
+
             pictureBox.Invoke(new Action(() =>
             {
                 pictureBox.Image?.Dispose();
@@ -89,6 +94,11 @@ namespace AIParkingApplication
 
         public static void UpdateLabel(this Label label, string text, Color backColor, Color foreColor)
         {
+            if (label.IsDisposed)
+            {
+                return;
+            }
+
             label.Invoke(new Action(() =>
             {
                 label.Text = text;
@@ -99,6 +109,11 @@ namespace AIParkingApplication
 
         public static void UpdateLabel(this Label label, string text, Color backColor)
         {
+            if (label.IsDisposed)
+            {
+                return;
+            }
+
             label.Invoke(new Action(() =>
             {
                 label.Text = text;
@@ -108,6 +123,11 @@ namespace AIParkingApplication
 
         public static void UpdateLabel(this Label label, string text)
         {
+            if (label.IsDisposed)
+            {
+                return;
+            }
+
             label.Invoke(new Action(() =>
             {
                 label.Text = text;