diff --git a/VCLScript.js b/VCLScript.js
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+// ==UserScript==
+// @name         VM Warning Dialog Script with Specific Fullscreen Button
+// @namespace    http://tampermonkey.net/
+// @version      0.6
+// @description  Show a warning dialog and click specific fullscreen button for VM
+// @match        https://your-vm-site-url.com/*
+// @grant        none
+// ==/UserScript==
+
+(function() {
+    'use strict';
+
+    function debug(message) {
+        console.log('VM Warning Script Debug: ' + message);
+    }
+
+    function clickFullscreenButton() {
+        debug('Attempting to click fullscreen button');
+        // Target the specific fullscreen button based on its structure
+        var fullscreenButton = document.querySelector('span.ms-Button-flexContainer[data-automationid="splitbuttonprimary"] i[data-icon-name="FullScreenRegular"]');
+        if (fullscreenButton) {
+            // Click the parent button element, not just the icon
+            var parentButton = fullscreenButton.closest('button');
+            if (parentButton) {
+                parentButton.click();
+                debug('Fullscreen button clicked');
+            } else {
+                debug('Parent button not found');
+            }
+        } else {
+            debug('Fullscreen button not found');
+        }
+    }
+
+    function showWarningDialog() {
+        debug('Showing warning dialog');
+        var dialog = document.createElement('div');
+        dialog.id = 'vm-warning-dialog';
+        dialog.style.cssText = `
+            position: fixed;
+            top: 50%;
+            left: 50%;
+            transform: translate(-50%, -50%);
+            background-color: white;
+            padding: 20px;
+            border: 2px solid black;
+            z-index: 10000;
+            text-align: center;
+        `;
+
+        dialog.innerHTML = `
+            <h2>Warning</h2>
+            <p>Data is not saved after this session. Please use OneDrive to save your files.</p>
+            <button id="okButton">OK</button>
+        `;
+
+        document.body.appendChild(dialog);
+
+        document.getElementById('okButton').addEventListener('click', function() {
+            dialog.remove();
+            debug('Dialog closed');
+            
+            // Attempt to click the fullscreen button
+            setTimeout(clickFullscreenButton, 1000); // Delay to ensure page is ready
+        });
+    }
+
+    window.addEventListener('load', showWarningDialog);
+
+    // Fallback
+    setTimeout(function() {
+        if (!document.getElementById('vm-warning-dialog')) {
+            debug('Dialog not shown after load event, attempting to show now');
+            showWarningDialog();
+        }
+    }, 2000);
+})();
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