diff --git a/admin/includes/inc_all_admin.php b/admin/includes/inc_all_admin.php
index fb600215..8c051fba 100644
--- a/admin/includes/inc_all_admin.php
+++ b/admin/includes/inc_all_admin.php
@@ -1,16 +1,16 @@
 <?php
 
-require_once "../config.php";
-require_once "../functions.php";
-require_once "../includes/check_login.php";
-require_once "../includes/page_title.php";
+require_once $_SERVER['DOCUMENT_ROOT'] . '/config.php';
+require_once $_SERVER['DOCUMENT_ROOT'] . '/functions.php';
+require_once $_SERVER['DOCUMENT_ROOT'] . '/includes/check_login.php';
+require_once $_SERVER['DOCUMENT_ROOT'] . '/includes/page_title.php';
 if (!isset($session_is_admin) || !$session_is_admin) {
     exit(WORDING_ROLECHECK_FAILED . "<br>Tell your admin: Your role does not have admin access.");
 }
-require_once "../includes/header.php";
-require_once "../includes/top_nav.php";
-require_once "includes/side_nav.php";
-require_once "../includes/inc_wrapper.php";
-require_once "../includes/inc_alert_feedback.php";
-require_once "../includes/filter_header.php";
-require_once "../includes/app_version.php";
+require_once $_SERVER['DOCUMENT_ROOT'] . '/includes/header.php';
+require_once $_SERVER['DOCUMENT_ROOT'] . '/includes/top_nav.php';
+require_once 'includes/side_nav.php';
+require_once $_SERVER['DOCUMENT_ROOT'] . '/includes/inc_wrapper.php';
+require_once $_SERVER['DOCUMENT_ROOT'] . '/includes/inc_alert_feedback.php';
+require_once $_SERVER['DOCUMENT_ROOT'] . '/includes/filter_header.php';
+require_once $_SERVER['DOCUMENT_ROOT'] . '/includes/app_version.php';
diff --git a/admin/includes/side_nav.php b/admin/includes/side_nav.php
index ee85e322..89b06517 100644
--- a/admin/includes/side_nav.php
+++ b/admin/includes/side_nav.php
@@ -1,6 +1,6 @@
 <!-- Main Sidebar Container -->
 <aside class="main-sidebar sidebar-dark-<?php echo nullable_htmlentities($config_theme); ?> d-print-none">
-    <a class="brand-link pb-1 mt-1" href="../agent/<?php echo $config_start_page ?>">
+    <a class="brand-link pb-1 mt-1" href="/agent/<?php echo $config_start_page ?>">
         <p class="h6">
             <i class="nav-icon fas fa-arrow-left ml-3 mr-2"></i>
             <span class="brand-text">
diff --git a/agent/includes/inc_all.php b/agent/includes/inc_all.php
index 6af71f8e..6729b01c 100644
--- a/agent/includes/inc_all.php
+++ b/agent/includes/inc_all.php
@@ -1,19 +1,19 @@
 <?php
 // Configuration & core
-require_once "../config.php";
-require_once "../functions.php";
-require_once "../includes/check_login.php";
+require_once $_SERVER['DOCUMENT_ROOT'] . '/config.php';
+require_once $_SERVER['DOCUMENT_ROOT'] . '/functions.php';
+require_once $_SERVER['DOCUMENT_ROOT'] . '/includes/check_login.php';
 
 // Page setup
-require_once "../includes/page_title.php";
+require_once $_SERVER['DOCUMENT_ROOT'] . '/includes/page_title.php';
 
 // Layout UI
-require_once "../includes/header.php";
-require_once "../includes/top_nav.php";
-require_once "includes/get_side_nav_counts.php";
-require_once "includes/side_nav.php";
+require_once $_SERVER['DOCUMENT_ROOT'] . '/includes/header.php';
+require_once $_SERVER['DOCUMENT_ROOT'] . '/includes/top_nav.php';
+require_once 'includes/get_side_nav_counts.php';
+require_once 'includes/side_nav.php';
 
 // Wrapper & alerts
-require_once "../includes/inc_wrapper.php";
-require_once "../includes/inc_alert_feedback.php";
-require_once "../includes/filter_header.php";
+require_once $_SERVER['DOCUMENT_ROOT'] . '/includes/inc_wrapper.php';
+require_once $_SERVER['DOCUMENT_ROOT'] . '/includes/inc_alert_feedback.php';
+require_once $_SERVER['DOCUMENT_ROOT'] . '/includes/filter_header.php';
diff --git a/agent/includes/inc_all_client.php b/agent/includes/inc_all_client.php
index 2c78f774..f2324474 100644
--- a/agent/includes/inc_all_client.php
+++ b/agent/includes/inc_all_client.php
@@ -1,9 +1,9 @@
 <?php
 
-require_once "../config.php";
-require_once "../functions.php";
-require_once "../includes/check_login.php";
-require_once "../includes/page_title.php";
+require_once $_SERVER['DOCUMENT_ROOT'] . '/config.php';
+require_once $_SERVER['DOCUMENT_ROOT'] . '/functions.php';
+require_once $_SERVER['DOCUMENT_ROOT'] . '/includes/check_login.php';
+require_once $_SERVER['DOCUMENT_ROOT'] . '/includes/page_title.php';
 
 // Perms
 enforceUserPermission('module_client');
@@ -35,7 +35,7 @@ if (isset($_GET['client_id'])) {
     );
 
     if (mysqli_num_rows($sql) == 0) {
-        require_once "../includes/header.php";
+        require_once $_SERVER['DOCUMENT_ROOT'] . '/includes/header.php';
 
         echo "<center><h1 class='text-secondary mt-5'>Nothing to see here</h1></center>";
     } else {
@@ -304,10 +304,10 @@ if (isset($_GET['client_id'])) {
     }
 }
 
-require_once "../includes/header.php";
-require_once "../includes/top_nav.php";
-require_once "includes/client_side_nav.php";
-require_once "../includes/inc_wrapper.php";
-require_once "../includes/inc_alert_feedback.php";
-require_once "includes/inc_client_top_head.php";
-require_once "../includes/filter_header.php";
+require_once $_SERVER['DOCUMENT_ROOT'] . '/includes/header.php';
+require_once $_SERVER['DOCUMENT_ROOT'] . '/includes/top_nav.php';
+require_once 'includes/client_side_nav.php';
+require_once $_SERVER['DOCUMENT_ROOT'] . '/includes/inc_wrapper.php';
+require_once $_SERVER['DOCUMENT_ROOT'] . '/includes/inc_alert_feedback.php';
+require_once 'includes/inc_client_top_head.php';
+require_once $_SERVER['DOCUMENT_ROOT'] . '/includes/filter_header.php';
diff --git a/agent/includes/inc_client_overview_all.php b/agent/includes/inc_client_overview_all.php
index 22dce8c0..7a44e384 100644
--- a/agent/includes/inc_client_overview_all.php
+++ b/agent/includes/inc_client_overview_all.php
@@ -1,12 +1,12 @@
 <?php
 
-require_once "../config.php";
-require_once "../functions.php";
-require_once "../includes/check_login.php";
-require_once "../includes/page_title.php";
-require_once "../includes/header.php";
-require_once "../includes/top_nav.php";
-require_once "includes/client_overview_side_nav.php";
-require_once "../includes/inc_wrapper.php";
-require_once "../includes/inc_alert_feedback.php";
-require_once "../includes/filter_header.php";
+require_once $_SERVER['DOCUMENT_ROOT'] . '/config.php';
+require_once $_SERVER['DOCUMENT_ROOT'] . '/functions.php';
+require_once $_SERVER['DOCUMENT_ROOT'] . '/includes/check_login.php';
+require_once $_SERVER['DOCUMENT_ROOT'] . '/includes/page_title.php';
+require_once $_SERVER['DOCUMENT_ROOT'] . '/includes/header.php';
+require_once $_SERVER['DOCUMENT_ROOT'] . '/includes/top_nav.php';
+require_once 'includes/client_overview_side_nav.php';
+require_once $_SERVER['DOCUMENT_ROOT'] . '/includes/inc_wrapper.php';
+require_once $_SERVER['DOCUMENT_ROOT'] . '/includes/inc_alert_feedback.php';
+require_once $_SERVER['DOCUMENT_ROOT'] . '/includes/filter_header.php';
diff --git a/agent/reports/includes/inc_all_reports.php b/agent/reports/includes/inc_all_reports.php
index 60ac3c69..24fa2ed0 100644
--- a/agent/reports/includes/inc_all_reports.php
+++ b/agent/reports/includes/inc_all_reports.php
@@ -1,17 +1,17 @@
 <?php
 
-require_once "../../config.php";
-require_once "../../functions.php";
-require_once "../../includes/check_login.php";
-require_once "../../includes/page_title.php";
+require_once $_SERVER['DOCUMENT_ROOT'] . '/config.php';
+require_once $_SERVER['DOCUMENT_ROOT'] . '/functions.php';
+require_once $_SERVER['DOCUMENT_ROOT'] . '/includes/check_login.php';
+require_once $_SERVER['DOCUMENT_ROOT'] . '/includes/page_title.php';
 // Reporting Perms
 enforceUserPermission('module_reporting');
-require_once "../../includes/header.php";
-require_once "../../includes/top_nav.php";
-require_once "includes/reports_side_nav.php";
-require_once "../../includes/inc_wrapper.php";
-require_once "../../includes/inc_alert_feedback.php";
-require_once "../../includes/filter_header.php";
+require_once $_SERVER['DOCUMENT_ROOT'] . '/includes/header.php';
+require_once $_SERVER['DOCUMENT_ROOT'] . '/includes/top_nav.php';
+require_once $_SERVER['DOCUMENT_ROOT'] . '/agent/reports/includes/reports_side_nav.php';
+require_once $_SERVER['DOCUMENT_ROOT'] . '/includes/inc_wrapper.php';
+require_once $_SERVER['DOCUMENT_ROOT'] . '/includes/inc_alert_feedback.php';
+require_once $_SERVER['DOCUMENT_ROOT'] . '/includes/filter_header.php';
 
 // Set variable default values
 $largest_income_month = 0;
diff --git a/agent/user/includes/inc_all_user.php b/agent/user/includes/inc_all_user.php
index 72429109..c1b60d35 100644
--- a/agent/user/includes/inc_all_user.php
+++ b/agent/user/includes/inc_all_user.php
@@ -1,13 +1,12 @@
 <?php
 
-require_once "../../config.php";
-require_once "../../functions.php";
-require_once "../../includes/check_login.php";
-require_once "../../includes/page_title.php";
-require_once "../../includes/header.php";
-require_once "../../includes/top_nav.php";
-require_once "includes/user_side_nav.php";
-require_once "../../includes/inc_wrapper.php";
-require_once "../../includes/inc_alert_feedback.php";
-require_once "../../includes/filter_header.php";
-
+require_once $_SERVER['DOCUMENT_ROOT'] . '/config.php';
+require_once $_SERVER['DOCUMENT_ROOT'] . '/functions.php';
+require_once $_SERVER['DOCUMENT_ROOT'] . '/includes/check_login.php';
+require_once $_SERVER['DOCUMENT_ROOT'] . '/includes/page_title.php';
+require_once $_SERVER['DOCUMENT_ROOT'] . '/includes/header.php';
+require_once $_SERVER['DOCUMENT_ROOT'] . '/includes/top_nav.php';
+require_once $_SERVER['DOCUMENT_ROOT'] . '/agent/user/includes/user_side_nav.php';
+require_once $_SERVER['DOCUMENT_ROOT'] . '/includes/inc_wrapper.php';
+require_once $_SERVER['DOCUMENT_ROOT'] . '/includes/inc_alert_feedback.php';
+require_once $_SERVER['DOCUMENT_ROOT'] . '/includes/filter_header.php';
diff --git a/client/includes/check_login.php b/client/includes/check_login.php
index d5935f96..52f26af7 100644
--- a/client/includes/check_login.php
+++ b/client/includes/check_login.php
@@ -16,18 +16,18 @@ if (!isset($_SESSION)) {
 }
 
 if (!isset($_SESSION['client_logged_in']) || !$_SESSION['client_logged_in']) {
-    header("Location: login.php");
+    header("Location: /client/login.php");
     die;
 }
 
 // Check user type
 if ($_SESSION['user_type'] !== 2) {
-    header("Location: login.php");
+    header("Location: /client/login.php");
     exit();
 }
 
 // Set Timezone
-require_once "../includes/inc_set_timezone.php";
+require_once $_SERVER['DOCUMENT_ROOT'] . '/includes/inc_set_timezone.php';
 
 // User IP & UA
 $session_ip = sanitizeInput(getIP());
diff --git a/client/includes/footer.php b/client/includes/footer.php
index 4cb42257..301d9ab0 100644
--- a/client/includes/footer.php
+++ b/client/includes/footer.php
@@ -21,7 +21,7 @@
 </p>
 
 
-<?php require_once "../includes/inc_confirm_modal.php"; ?>
+<?php require_once $_SERVER['DOCUMENT_ROOT'] . '/includes/inc_confirm_modal.php'; ?>
 
 <!-- jQuery -->
 <script src="/plugins/jquery/jquery.min.js"></script>
diff --git a/client/includes/header.php b/client/includes/header.php
index 1bf3e2b2..6b8ff41c 100644
--- a/client/includes/header.php
+++ b/client/includes/header.php
@@ -20,7 +20,7 @@ header("X-Frame-Options: DENY"); // Legacy
 
     <!-- Favicon: If Fav Icon exists, else use the default one -->
     <?php if(file_exists($_SERVER['DOCUMENT_ROOT'] . '/uploads/favicon.ico')) { ?>
-        <link rel="icon" type="image/x-icon" href="/uploads/favicon.ico">
+        <link rel="icon" href="/uploads/favicon.ico">
     <?php } ?>
 
     <!-- Font Awesome -->
@@ -43,10 +43,10 @@ header("X-Frame-Options: DENY"); // Legacy
         <div class="collapse navbar-collapse" id="navbarSupportedContent">
             <ul class="navbar-nav mr-auto">
                 <li class="nav-item <?php if (basename($_SERVER['PHP_SELF']) == "index.php") {echo "active";} ?>">
-                    <a class="nav-link" href="index.php">Home</a>
+                    <a class="nav-link" href="/client/index.php">Home</a>
                 </li>
                 <li class="nav-item">
-                    <a class="nav-link <?php if (basename($_SERVER['PHP_SELF']) == "tickets.php" || basename($_SERVER['PHP_SELF']) == "ticket_add.php" || basename($_SERVER['PHP_SELF']) == "ticket.php") {echo "active";} ?>" href="tickets.php">Tickets</a>
+                    <a class="nav-link <?php if (basename($_SERVER['PHP_SELF']) == "tickets.php" || basename($_SERVER['PHP_SELF']) == "ticket_add.php" || basename($_SERVER['PHP_SELF']) == "ticket.php") {echo "active";} ?>" href="/client/tickets.php">Tickets</a>
                 </li>
 
                 <?php if (($session_contact_primary == 1 || $session_contact_is_billing_contact) && $config_module_enable_accounting == 1) { ?>
@@ -55,10 +55,10 @@ header("X-Frame-Options: DENY"); // Legacy
                             Finance
                         </a>
                         <div class="dropdown-menu" aria-labelledby="navbarDropdown1">
-                            <a class="dropdown-item" href="invoices.php">Invoices</a>
-                            <a class="dropdown-item" href="recurring_invoices.php">Recurring Invoices</a>
-                            <a class="dropdown-item" href="quotes.php">Quotes</a>
-                            <a class="dropdown-item" href="saved_payment_methods.php">Saved Payments</a>
+                            <a class="dropdown-item" href="/client/invoices.php">Invoices</a>
+                            <a class="dropdown-item" href="/client/recurring_invoices.php">Recurring Invoices</a>
+                            <a class="dropdown-item" href="/client/quotes.php">Quotes</a>
+                            <a class="dropdown-item" href="/client/saved_payment_methods.php">Saved Payments</a>
                         </div>
                     </li>
                 <?php } ?>
@@ -69,12 +69,12 @@ header("X-Frame-Options: DENY"); // Legacy
                             Technical
                         </a>
                         <div class="dropdown-menu" aria-labelledby="navbarDropdown2">
-                            <a class="dropdown-item" href="contacts.php">Contacts</a>
-                            <a class="dropdown-item" href="assets.php">Assets</a>
-                            <a class="dropdown-item" href="documents.php">Documents</a>
-                            <a class="dropdown-item" href="domains.php">Domains</a>
-                            <a class="dropdown-item" href="certificates.php">Certificates</a>
-                            <a class="dropdown-item" href="ticket_view_all.php">All tickets</a>
+                            <a class="dropdown-item" href="/client/contacts.php">Contacts</a>
+                            <a class="dropdown-item" href="/client/assets.php">Assets</a>
+                            <a class="dropdown-item" href="/client/documents.php">Documents</a>
+                            <a class="dropdown-item" href="/client/domains.php">Domains</a>
+                            <a class="dropdown-item" href="/client/certificates.php">Certificates</a>
+                            <a class="dropdown-item" href="/client/ticket_view_all.php">All tickets</a>
                         </div>
                     </li>
                 <?php } ?>
@@ -110,9 +110,9 @@ header("X-Frame-Options: DENY"); // Legacy
                         <?php echo stripslashes(nullable_htmlentities($session_contact_name)); ?>
                     </a>
                     <div class="dropdown-menu">
-                        <a class="dropdown-item" href="profile.php"><i class="fas fa-fw fa-user mr-2"></i>Account</a>
+                        <a class="dropdown-item" href="/client/profile.php"><i class="fas fa-fw fa-user mr-2"></i>Account</a>
                         <div class="dropdown-divider"></div>
-                        <a class="dropdown-item" href="post.php?logout"><i class="fas fa-fw fa-sign-out-alt mr-2"></i>Sign out</a>
+                        <a class="dropdown-item" href="/client/post.php?logout"><i class="fas fa-fw fa-sign-out-alt mr-2"></i>Sign out</a>
                     </div>
                 </li>
             </ul>
@@ -128,7 +128,7 @@ header("X-Frame-Options: DENY"); // Legacy
     <div class="row mb-3">
         <div class="col-md-1 text-center">
             <?php if (!empty($session_contact_photo)) { ?>
-                <img src="<?php echo "../uploads/clients/$session_client_id/$session_contact_photo"; ?>" alt="..." height="50" width="50" class="img-circle img-responsive">
+                <img src="/uploads/clients/<?= $session_client_id ?>/<?= $session_contact_photo ?>" alt="..." height="50" width="50" class="img-circle img-responsive">
 
             <?php } else { ?>
                 <span class="fa-stack fa-2x rounded-left">
diff --git a/client/includes/inc_all.php b/client/includes/inc_all.php
index 6c85263d..8feae165 100644
--- a/client/includes/inc_all.php
+++ b/client/includes/inc_all.php
@@ -4,9 +4,9 @@
  * Includes for all pages (except login)
  */
 
-require_once '../config.php';
-require_once '../includes/load_global_settings.php';
-require_once '../functions.php';
-require_once 'check_login.php';
-require_once 'functions.php';
-require_once "header.php";
+require_once $_SERVER['DOCUMENT_ROOT'] . '/config.php';
+require_once $_SERVER['DOCUMENT_ROOT'] . '/includes/load_global_settings.php';
+require_once $_SERVER['DOCUMENT_ROOT'] . '/functions.php';
+require_once $_SERVER['DOCUMENT_ROOT'] . '/client/includes/check_login.php';
+require_once $_SERVER['DOCUMENT_ROOT'] . '/client/functions.php';
+require_once $_SERVER['DOCUMENT_ROOT'] . '/client/includes/header.php';
diff --git a/guest/includes/guest_header.php b/guest/includes/guest_header.php
index 339d66ac..e1d907a3 100644
--- a/guest/includes/guest_header.php
+++ b/guest/includes/guest_header.php
@@ -37,7 +37,7 @@ $session_company_name = $row['company_name'];
     If Fav Icon exists else use the default one 
     -->
     <?php if(file_exists($_SERVER['DOCUMENT_ROOT'] . '/uploads/favicon.ico')) { ?>
-        <link rel="icon" type="image/x-icon" href="/uploads/favicon.ico">
+        <link rel="icon" href="/uploads/favicon.ico">
     <?php } ?>
 
     <!-- Font Awesome Icons -->
@@ -46,10 +46,10 @@ $session_company_name = $row['company_name'];
     <link rel="stylesheet" href="/plugins/adminlte/css/adminlte.min.css">
 
     <!-- Custom Style Sheet -->
-    <link href="/plugins/tempusdominus-bootstrap-4/css/tempusdominus-bootstrap-4.min.css" rel="stylesheet" type="text/css">
-    <link href="/plugins/select2/css/select2.min.css" rel="stylesheet" type="text/css">
-    <link href="/plugins/select2-bootstrap4-theme/select2-bootstrap4.min.css" rel="stylesheet" type="text/css">
-    <link href='/plugins/daterangepicker/daterangepicker.css' rel='stylesheet' />
+    <link rel="stylesheet" href="/plugins/tempusdominus-bootstrap-4/css/tempusdominus-bootstrap-4.min.css">
+    <link rel="stylesheet" href="/plugins/select2/css/select2.min.css">
+    <link rel="stylesheet" href="/plugins/select2-bootstrap4-theme/select2-bootstrap4.min.css">
+    <link rel="stylesheet" href='/plugins/daterangepicker/daterangepicker.css'>
 
 </head>
 <body class="layout-top-nav">
diff --git a/includes/settings_localization_array.php b/includes/settings_localization_array.php
index 926c49d3..6555e2da 100644
--- a/includes/settings_localization_array.php
+++ b/includes/settings_localization_array.php
@@ -773,4 +773,3 @@ $locales_array = [
     'zu_ZA'       => 'Zulu (South Africa)',
     'zu'          => 'Zulu',
 ];
-?>
\ No newline at end of file
diff --git a/modals/notifications.php b/modals/notifications.php
index 5bd0b39d..dd1a30df 100644
--- a/modals/notifications.php
+++ b/modals/notifications.php
@@ -1,8 +1,6 @@
 <?php
 
-require_once "../config.php";
-require_once "../functions.php";
-require_once "../includes/check_login.php";
+require_once $_SERVER['DOCUMENT_ROOT'] . '/includes/modal_header.php';
 
 header('Content-Type: application/json');
 
@@ -137,7 +135,5 @@ $(document).ready(function () {
 </script>
 
 <?php
-    $content = ob_get_clean();
 
-    // Return the title and content as a JSON response
-    echo json_encode(['content' => $content]);
+require_once $_SERVER['DOCUMENT_ROOT'] . '/includes/modal_footer.php';