diff --git a/phpBB/adm/style/overall_footer.html b/phpBB/adm/style/overall_footer.html
index 549b6995af..dfe161fd76 100644
--- a/phpBB/adm/style/overall_footer.html
+++ b/phpBB/adm/style/overall_footer.html
@@ -18,7 +18,7 @@
 			{DEBUG_OUTPUT}
 		<!-- ENDIF -->
 
-		<div id="darkenwrapper">
+		<div id="darkenwrapper" data-ajax-error-title="{L_AJAX_ERROR_TITLE}" data-ajax-error-text="{L_AJAX_ERROR_TEXT}">
 			<div id="darken">&nbsp;</div>
 			<div class="jalert" id="loadingalert"><h3>{L_LOADING}</h3><p>{L_PLEASE_WAIT}</p></div>
 		</div>
diff --git a/phpBB/assets/javascript/core.js b/phpBB/assets/javascript/core.js
index 488b095b47..1faec27316 100644
--- a/phpBB/assets/javascript/core.js
+++ b/phpBB/assets/javascript/core.js
@@ -324,12 +324,28 @@ phpbb.ajaxify = function(options) {
 					{
 						phpbb.loading_alert();
 						data =  $('<form>' + res.S_HIDDEN_FIELDS + '</form>').serialize();
-						$.post(res.S_CONFIRM_ACTION, data + '&confirm=' + res.YES_VALUE, return_handler);
+						$.ajax({
+							url: res.S_CONFIRM_ACTION,
+							type: 'POST',
+							data: data + '&confirm=' + res.YES_VALUE,
+							success: return_handler
+						});
 					}
 				}, false);
 			}
 		}
 
+		function error_handler()
+		{
+			var alert;
+
+			alert = phpbb.alert(dark.attr('data-ajax-error-title'), dark.attr('data-ajax-error-text'));
+
+			dark.fadeOut(phpbb.alert_time, function() {
+				alert.hide();
+			});
+		}
+
 		// If the element is a form, POST must be used and some extra data must
 		// be taken from the form.
 		var run_filter = (typeof options.filter === 'function');
diff --git a/phpBB/language/en/common.php b/phpBB/language/en/common.php
index 4983aaca69..b92b915623 100644
--- a/phpBB/language/en/common.php
+++ b/phpBB/language/en/common.php
@@ -67,6 +67,8 @@ $lang = array_merge($lang, array(
 	'ADMINISTRATORS'				=> 'Administrators',
 	'AGE'							=> 'Age',
 	'AIM'							=> 'AIM',
+	'AJAX_ERROR_TITLE'				=> 'AJAX error',
+	'AJAX_ERROR_TEXT'				=> 'Something went wrong when processing your request.',
 	'ALLOWED'						=> 'Allowed',
 	'ALL_FILES'						=> 'All files',
 	'ALL_FORUMS'					=> 'All forums',
diff --git a/phpBB/styles/prosilver/template/overall_footer.html b/phpBB/styles/prosilver/template/overall_footer.html
index 00de9029ec..ccc5b8b5de 100644
--- a/phpBB/styles/prosilver/template/overall_footer.html
+++ b/phpBB/styles/prosilver/template/overall_footer.html
@@ -25,7 +25,7 @@
 		<!-- IF U_ACP --><br /><strong><a href="{U_ACP}">{L_ACP}</a></strong><!-- ENDIF -->
 	</div>
 
-	<div id="darkenwrapper">
+	<div id="darkenwrapper" data-ajax-error-title="{L_AJAX_ERROR_TITLE}" data-ajax-error-text="{L_AJAX_ERROR_TEXT}">
 		<div id="darken">&nbsp;</div>
 		<div class="jalert" id="loadingalert"><h3>{L_LOADING}</h3><p>{L_PLEASE_WAIT}</p></div>
 	</div>