diff --git a/assets/css/custom.css b/assets/css/custom.css
index 03275d0..ea58ee6 100644
--- a/assets/css/custom.css
+++ b/assets/css/custom.css
@@ -246,6 +246,8 @@ body {
     padding: 2rem;
     transition: all 0.3s;
     min-height: 100vh;
+    display: flex;
+    flex-direction: column;
 }
 
 [dir="rtl"] .main-content {
@@ -296,6 +298,7 @@ body {
     display: flex;
     justify-content: space-between;
     align-items: center;
+    flex-shrink: 0;
 }
 
 /* UI Components */
@@ -332,6 +335,8 @@ body {
 .main-footer {
     background: transparent;
     color: var(--text-muted);
+    margin-top: auto;
+    flex-shrink: 0;
 }
 
 .main-footer .border-top {
diff --git a/index.php b/index.php
index eea9493..5130a2a 100644
--- a/index.php
+++ b/index.php
@@ -2,10 +2,26 @@
 declare(strict_types=1);
 
 // Sessions setup
-if (!is_dir(__DIR__ . '/sessions')) {
-    mkdir(__DIR__ . '/sessions', 0777, true);
+$sessions_dir = __DIR__ . '/sessions';
+if (!is_dir($sessions_dir)) {
+    @mkdir($sessions_dir, 0777, true);
+}
+if (is_writable($sessions_dir)) {
+    session_save_path($sessions_dir);
+}
+
+// Check for required extensions
+$required_extensions = ['pdo', 'pdo_mysql', 'curl', 'json'];
+$missing_extensions = [];
+foreach ($required_extensions as $ext) {
+    if (!extension_loaded($ext)) {
+        $missing_extensions[] = $ext;
+    }
+}
+
+if (!empty($missing_extensions)) {
+    die("Error: The following PHP extensions are required but missing: " . implode(', ', $missing_extensions) . ". Please contact your hosting provider to enable them.");
 }
-session_save_path(__DIR__ . '/sessions');
 
 // Enhanced session security and iframe compatibility
 if ((isset($_SERVER['HTTPS']) && $_SERVER['HTTPS'] === 'on') || (isset($_SERVER['HTTP_X_FORWARDED_PROTO']) && $_SERVER['HTTP_X_FORWARDED_PROTO'] === 'https')) {
@@ -37,9 +53,15 @@ $lang = $_SESSION['lang'];
 $dir = ($lang === 'ar') ? 'rtl' : 'ltr';
 
 // Licensing Middleware
-$is_activated = LicenseService::isActivated();
-$trial_days = LicenseService::getTrialRemainingDays();
-$can_access = LicenseService::canAccess();
+try {
+    $is_activated = LicenseService::isActivated();
+    $trial_days = LicenseService::getTrialRemainingDays();
+    $can_access = LicenseService::canAccess();
+} catch (PDOException $e) {
+    die("Database Connection Error: " . $e->getMessage() . "<br><br>Please check your <b>db/config.php</b> settings.");
+} catch (Exception $e) {
+    die("Application Error: " . $e->getMessage());
+}
 $page = $_GET['page'] ?? 'dashboard';
 
 if (!$can_access && $page !== 'activate') {
@@ -11255,8 +11277,10 @@ document.addEventListener('DOMContentLoaded', function() {
     </div>
 
     <footer class="main-footer d-print-none">
-        <div class="text-center py-4 border-top mt-5">
-            <span class="text-muted small">Powered By Meezan Accounting omanapp.cloud aalabry@gmail.com- Whatsapp:+96899359472</span>
+        <div class="text-center py-3 border-top mt-5">
+            <div class="text-muted small">
+                Powered By <strong>Meezan Accounting</strong> &bull; omanapp.cloud &bull; aalabry@gmail.com &bull; Whatsapp: +968 99359472
+            </div>
         </div>
     </footer>
 </div>
diff --git a/installation/index.php b/installation/index.php
index 5b7a54f..26701a8 100644
--- a/installation/index.php
+++ b/installation/index.php
@@ -23,6 +23,11 @@ if ($step === 1) {
             'status' => extension_loaded('pdo_mysql'),
             'current' => extension_loaded('pdo_mysql') ? 'Loaded' : 'Missing'
         ],
+        'curl' => [
+            'name' => 'cURL Extension (Required for Licensing)',
+            'status' => extension_loaded('curl'),
+            'current' => extension_loaded('curl') ? 'Loaded' : 'Missing'
+        ],
         'config_writable' => [
             'name' => 'db/config.php Writable',
             'status' => is_writable(__DIR__ . '/../db/config.php'),