diff --git a/config.py b/config.py
index d8482b59f..57dc1342b 100644
--- a/config.py
+++ b/config.py
@@ -85,7 +85,7 @@ class DefaultConfig(object):
 
   # If true, CDN URLs will be used for our external dependencies, rather than the local
   # copies.
-  USE_CDN = True
+  USE_CDN = False
 
   # Authentication
   AUTHENTICATION_TYPE = 'Database'
diff --git a/templates/index.html b/templates/index.html
index b103efb4d..25204a5d4 100644
--- a/templates/index.html
+++ b/templates/index.html
@@ -22,10 +22,14 @@
   <!-- Note: Must be in the <body> tag -->
   <script src="static/standalonelib/jquery.overscroll.min.js"></script>
 
-  <div ng-view></div>
+  <div ng-view>
+    <div class="co-alert co-alert-danger">
+      The Quay application could not be loaded, which typically indicates an external library could not be loaded (usually due to an ad blocker). Please check the JavaScript console for errors.
+    </div>
+  </div>
 
   <!-- Modal message dialog -->
-  <div class="modal fade" id="sessionexpiredModal" data-backdrop="static">
+  <div class="modal fade" id="sessionexpiredModal" data-backdrop="static" style="display: none">
     <div class="modal-dialog">
       <div class="modal-content">
         <div class="modal-header">
@@ -42,7 +46,7 @@
   </div><!-- /.modal -->
 
   <!-- Modal message dialog -->
-  <div class="modal fade" id="cannotContactService" data-backdrop="static">
+  <div class="modal fade" id="cannotContactService" data-backdrop="static" style="display: none;">
     <div class="modal-dialog">
       <div class="modal-content">
         <div class="modal-header">
