diff --git a/web/app/assets/javascripts/clientUpdate.js b/web/app/assets/javascripts/clientUpdate.js
index ee2c99ce9..627a0e48d 100644
--- a/web/app/assets/javascripts/clientUpdate.js
+++ b/web/app/assets/javascripts/clientUpdate.js
@@ -61,7 +61,7 @@
           return false;
         })
       }
-      else if (templateId == "update-restarting" || templateId == "update-error") {
+      else if (templateId == "update-restarting" || templateId == "update-error" || templateId == "manual-upgrade") {
 
         $("#client_update a.open-downloads").click(function () {
           context.JK.popExternalLink("https://www.jamkazam.com/downloads")
@@ -243,7 +243,13 @@
 
         // this will update the client dialog to how it should look when an update is just starting
         // and show it front-and-center on the screen
-        updateClientUpdateDialog("update-start", { uri: updateUri })
+        // XXX HACK
+        if(updateUri && gon.global.manual_override_installer_ends_with && updateUri.endsWith(gon.global.manual_override_installer_ends_with)) {
+          updateClientUpdateDialog("manual-upgrade", { uri: updateUri })
+        }
+        else {
+          updateClientUpdateDialog("update-start", { uri: updateUri })
+        }
       }
     }
 
@@ -251,6 +257,7 @@
     function check() {
 
       var os = context.JK.GetOSAsString();
+      //os = 'Win32'
 
       // check kill switch before all other logic
       if (!gon.check_for_client_updates) {
@@ -333,4 +340,4 @@
 
   return this;
 
-})(window, jQuery);
\ No newline at end of file
+})(window, jQuery);
diff --git a/web/app/views/clients/_client_update.html.erb b/web/app/views/clients/_client_update.html.erb
index a2d64ae05..ec80b0110 100644
--- a/web/app/views/clients/_client_update.html.erb
+++ b/web/app/views/clients/_client_update.html.erb
@@ -105,4 +105,30 @@
     <a href="#" class="button-grey close-application">CANCEL AND CLOSE APPLICATION</a>
   </div>
   -->
-</script>
\ No newline at end of file
+</script>
+
+
+<script type="text/template" id="template-manual-upgrade">
+  <h2 align="center">New Client Available</h2>
+  <br />
+
+  <div align="center">
+    <div class="download-manual">
+      <p class="fix"><b>Step 1:</b> Uninstall the JamKazam application manually.</p>
+      <br/>
+      <p class="fix"><b>Step 2:</b> Download the latest JamKazam installer from <a class="open-downloads" href="/downloads" rel="external">our downloads page.</a></p><br/>
+
+      <p class="fix"><b>Step 3:</b> Double-click the downloaded file, and then drag & drop the Jamkazam application into your Applications folder.</p>
+    </div>
+    <div class="error-detail">
+      Our automatic updater is temporarily not working for Mac OS on this release.
+    </div>
+  </div>
+
+
+  <!--
+  <div class="right">
+    <a href="#" class="button-grey close-application">CANCEL AND CLOSE APPLICATION</a>
+  </div>
+  -->
+</script>
diff --git a/web/config/application.rb b/web/config/application.rb
index 66d305676..6ecd32178 100644
--- a/web/config/application.rb
+++ b/web/config/application.rb
@@ -507,5 +507,6 @@ if defined?(Bundler)
       config.video_conferencing_host = "https://webrtc-demo.jamkazam.com"
       config.latency_data_host = "http://localhost:4001"
       config.latency_data_host_auth_code = "c2VydmVyOnBhc3N3b3Jk"
+      config.manual_override_installer_ends_with = "JamKazam-1.0.3776.dmg"
   end
 end
diff --git a/web/config/initializers/gon.rb b/web/config/initializers/gon.rb
index afe4a7f2a..cbf6ec62e 100644
--- a/web/config/initializers/gon.rb
+++ b/web/config/initializers/gon.rb
@@ -30,5 +30,6 @@ Gon.global.subscription_codes = Rails.application.config.subscription_codes
 Gon.global.braintree_token = Rails.application.config.braintree_token
 Gon.global.paypal_admin_only = Rails.application.config.paypal_admin_only
 Gon.global.use_video_conferencing_server = Rails.application.config.use_video_conferencing_server
+Gon.global.manual_override_installer_ends_with = Rails.application.config.manual_override_installer_ends_with
 Gon.global.env = Rails.env
 Gon.global.version = ::JamWeb::VERSION