diff --git a/Trenser.VehicleServiceSystem/Trenser.VehicleServiceSystem/services/ServiceManagementService.cpp b/Trenser.VehicleServiceSystem/Trenser.VehicleServiceSystem/services/ServiceManagementService.cpp
index a4d72bd..e975ac5 100644
--- a/Trenser.VehicleServiceSystem/Trenser.VehicleServiceSystem/services/ServiceManagementService.cpp
+++ b/Trenser.VehicleServiceSystem/Trenser.VehicleServiceSystem/services/ServiceManagementService.cpp
@@ -98,6 +98,7 @@ void ServiceManagementService::purchaseService(const util::Vector<std::string>&
     std::string title = "Service Booking succeeded";
     std::string message = "Your service booking has been successfully placed with ID " + serviceBooking->getId();
     sendNotification(authenticatedUser, title, message);
+    m_dataStore.saveServiceBookings();
     notifyAllAdmins("New Service Order Available", "A new service order has been placed with Service Booking ID " + serviceBooking->getId(), m_dataStore.getUsers(), this);
 }
 
diff --git a/Trenser.VehicleServiceSystem/Trenser.VehicleServiceSystem/views/AdminMenu.cpp b/Trenser.VehicleServiceSystem/Trenser.VehicleServiceSystem/views/AdminMenu.cpp
index 68ec663..62c64cd 100644
--- a/Trenser.VehicleServiceSystem/Trenser.VehicleServiceSystem/views/AdminMenu.cpp
+++ b/Trenser.VehicleServiceSystem/Trenser.VehicleServiceSystem/views/AdminMenu.cpp
@@ -163,7 +163,13 @@ Return type: void
 void AdminMenu::handleNotificationEvent()
 {
 	auto notifications = m_controller.getNotifications();
-	displayNewNotification(notifications);
+	const User* authenticatedUser = m_controller.getAuthenticatedUser();
+	std::string name;
+	if (authenticatedUser)
+	{
+		name = authenticatedUser->getName();
+	}
+	displayNewNotification(notifications, name);
 }
 
 /*
@@ -332,6 +338,23 @@ void AdminMenu::removeInventoryItem()
             std::string selectedItemId = selectedItem->getId();
             m_controller.removeInventoryItem(selectedItemId);
             std::cout << "Item " << selectedItem->getPartName() << " removed successfully." << std::endl;
+			const util::Map<std::string, const Service*>& listOfService = m_controller.getServices();
+			for (int serviceIndex = 0; serviceIndex < listOfService.getSize(); serviceIndex++)
+			{
+				const Service* service = listOfService.getValueAt(serviceIndex);
+				if (!service)
+				{
+					continue;
+				}
+				const util::Map<std::string, InventoryItem*>& requiredItems = service->getRequiredInventoryItems();
+				if (requiredItems.find(selectedItemId) != -1) 
+				{
+					m_controller.removeService(service->getId()); 
+					std::cout << "Service " << service->getName()
+						<< " removed as the item "
+						<< selectedItem->getPartName() << " required for the service has been removed." << std::endl;
+				}
+			}
         }
     }
     util::pressEnter();
diff --git a/Trenser.VehicleServiceSystem/Trenser.VehicleServiceSystem/views/CustomerMenu.cpp b/Trenser.VehicleServiceSystem/Trenser.VehicleServiceSystem/views/CustomerMenu.cpp
index 3932fba..a9d7990 100644
--- a/Trenser.VehicleServiceSystem/Trenser.VehicleServiceSystem/views/CustomerMenu.cpp
+++ b/Trenser.VehicleServiceSystem/Trenser.VehicleServiceSystem/views/CustomerMenu.cpp
@@ -134,7 +134,13 @@ Return type: void
 void CustomerMenu::handleNotificationEvent()
 {
     auto notifications = m_controller.getNotifications();
-    displayNewNotification(notifications);
+    const User* authenticatedUser = m_controller.getAuthenticatedUser();
+    std::string name;
+    if (authenticatedUser)
+    {
+        name = authenticatedUser->getName();
+    }
+    displayNewNotification(notifications, name);
 }
 
 /*
diff --git a/Trenser.VehicleServiceSystem/Trenser.VehicleServiceSystem/views/Menu.cpp b/Trenser.VehicleServiceSystem/Trenser.VehicleServiceSystem/views/Menu.cpp
index 2573c0e..e5881ff 100644
--- a/Trenser.VehicleServiceSystem/Trenser.VehicleServiceSystem/views/Menu.cpp
+++ b/Trenser.VehicleServiceSystem/Trenser.VehicleServiceSystem/views/Menu.cpp
@@ -133,10 +133,16 @@ Return type: void
 void Menu::handleAccountDisabledEvent()
 {
     m_isMenuActive.store(false);
+    const User* authenticatedUser = m_controller.getAuthenticatedUser();
+    std::string messageTitle = "Account Disabled";
+    if (authenticatedUser)
+    {
+        messageTitle += " - " + authenticatedUser->getName();
+    }
     MessageBoxA(
         GetConsoleWindow(),
         "Your account has been disabled.",
-        "Account Disabled",
+        messageTitle.c_str(),
         MB_OK |
         MB_ICONWARNING |
         MB_SETFOREGROUND |
diff --git a/Trenser.VehicleServiceSystem/Trenser.VehicleServiceSystem/views/MenuHelper.h b/Trenser.VehicleServiceSystem/Trenser.VehicleServiceSystem/views/MenuHelper.h
index 0d0f695..33cd5bd 100644
--- a/Trenser.VehicleServiceSystem/Trenser.VehicleServiceSystem/views/MenuHelper.h
+++ b/Trenser.VehicleServiceSystem/Trenser.VehicleServiceSystem/views/MenuHelper.h
@@ -28,6 +28,7 @@ Date: 21-May-2026
 #include "Utility.h"
 #include "Validator.h"
 #include "Vector.h"
+#include "StringHelper.h"
 
 /*
 Function: displayAllServices
@@ -1056,6 +1057,21 @@ inline const Service* selectServiceFromServices(const util::Map<std::string, con
         {
             continue;
         }
+        bool hasDepletedItem = false;
+        const util::Map<std::string, InventoryItem*>& requiredItems = currentService->getRequiredInventoryItems();
+        for (int itemIndex = 0; itemIndex < requiredItems.getSize(); itemIndex++)
+        {
+            const InventoryItem* item = requiredItems.getValueAt(itemIndex);
+            if (!item || item->getQuantity() < 1)
+            {
+                hasDepletedItem = true;
+                break;
+            }
+        }
+        if (hasDepletedItem)
+        {
+            continue; 
+        }
         activeServicesMap.insert(currentIndex, currentService);
         double partsCost = util::calculatePartsCost(currentService);
         std::cout << std::left
@@ -1415,9 +1431,10 @@ Description: Displays the most recent notification from the supplied
              notification collection.
 Parameter: util::Vector<const Notification*> notifications -
            collection of notifications
+           const std::string& - The name of the user currently authenticated with the system
 Return type: void
 */
-inline void displayNewNotification(util::Vector<const Notification*> notifications)
+inline void displayNewNotification(util::Vector<const Notification*> notifications, const std::string& name)
 {
     const Notification* notification = nullptr;
 	size_t numberOfNotifications = notifications.getSize();
@@ -1429,16 +1446,24 @@ inline void displayNewNotification(util::Vector<const Notification*> notificatio
 		}
 		else
 		{
-			if (notification->getId() < notifications[index]->getId())
+            if (util::extractNumber(notification->getId()) < util::extractNumber(notifications[index]->getId()))
 			{
 				notification = notifications[index];
 			}
 		}
 	}
-    MessageBoxA(
-        GetConsoleWindow(),
-        notification->getMessage().c_str(),
-        notification->getTitle().c_str(),
-        MB_OK |
-        MB_ICONINFORMATION);
-}
\ No newline at end of file
+    if (notification)
+    {
+        std::string messageTitle = notification->getTitle();
+        if (!name.empty())
+        {
+            messageTitle += " - " + name;
+        }
+        MessageBoxA(
+            GetConsoleWindow(),
+            notification->getMessage().c_str(),
+            messageTitle.c_str(),
+            MB_OK |
+            MB_ICONINFORMATION);
+    }
+}
diff --git a/Trenser.VehicleServiceSystem/Trenser.VehicleServiceSystem/views/TechnicianMenu.cpp b/Trenser.VehicleServiceSystem/Trenser.VehicleServiceSystem/views/TechnicianMenu.cpp
index 4b090d8..ee4576c 100644
--- a/Trenser.VehicleServiceSystem/Trenser.VehicleServiceSystem/views/TechnicianMenu.cpp
+++ b/Trenser.VehicleServiceSystem/Trenser.VehicleServiceSystem/views/TechnicianMenu.cpp
@@ -108,7 +108,13 @@ Return type: void
 void TechnicianMenu::handleNotificationEvent()
 {
     auto notifications = m_controller.getNotifications();
-    displayNewNotification(notifications);
+    const User* authenticatedUser = m_controller.getAuthenticatedUser();
+    std::string name;
+    if (authenticatedUser)
+    {
+        name = authenticatedUser->getName();
+    }
+    displayNewNotification(notifications, name);
 }
 
 /*