diff --git a/lib/Cake/Controller/CakeErrorController.php b/lib/Cake/Controller/CakeErrorController.php
index 6131bcb14..577864881 100644
--- a/lib/Cake/Controller/CakeErrorController.php
+++ b/lib/Cake/Controller/CakeErrorController.php
@@ -54,12 +54,15 @@ class CakeErrorController extends AppController {
 			$this->components[] = 'RequestHandler';
 		}
 		$this->constructClasses();
+		if ($this->Components->enabled('Auth')) {
+			$this->Components->disable('Auth');
+		}
+		if ($this->Components->enabled('Security')) {
+			$this->Components->disable('Security');
+		}
 		$this->startupProcess();
 
 		$this->_set(array('cacheAction' => false, 'viewPath' => 'Errors'));
-		if (isset($this->RequestHandler)) {
-			$this->RequestHandler->startup($this);
-		}
 	}
 
 /**
diff --git a/lib/Cake/Controller/Component/AuthComponent.php b/lib/Cake/Controller/Component/AuthComponent.php
index 35b7ccc7f..311b95a6c 100644
--- a/lib/Cake/Controller/Component/AuthComponent.php
+++ b/lib/Cake/Controller/Component/AuthComponent.php
@@ -264,10 +264,6 @@ class AuthComponent extends Component {
  * @return boolean
  */
 	public function startup(Controller $controller) {
-		if ($controller->name == 'CakeError') {
-			return true;
-		}
-
 		$methods = array_flip(array_map('strtolower', $controller->methods));
 		$action = strtolower($controller->request->params['action']);
 
diff --git a/lib/Cake/Controller/Component/SecurityComponent.php b/lib/Cake/Controller/Component/SecurityComponent.php
index cb842deeb..1a2043895 100644
--- a/lib/Cake/Controller/Component/SecurityComponent.php
+++ b/lib/Cake/Controller/Component/SecurityComponent.php
@@ -206,10 +206,6 @@ class SecurityComponent extends Component {
  * @return void
  */
 	public function startup(Controller $controller) {
-		if ($controller->name == 'CakeError') {
-			return true;
-		}
-
 		$this->request = $controller->request;
 		$this->_action = $this->request->params['action'];
 		$this->_methodsRequired($controller);
diff --git a/lib/Cake/Model/Model.php b/lib/Cake/Model/Model.php
index 6e745a3c2..a6692cfe4 100644
--- a/lib/Cake/Model/Model.php
+++ b/lib/Cake/Model/Model.php
@@ -2370,13 +2370,14 @@ class Model extends Object implements CakeEventListener {
 						break;
 					}
 				}
-
-				$keys = $this->find('first', array(
-					'fields' => $this->_collectForeignKeys(),
-					'conditions' => array($this->alias . '.' . $this->primaryKey => $id),
-					'recursive' => -1,
-					'callbacks' => false
-				));
+				if ($updateCounterCache) {
+					$keys = $this->find('first', array(
+						'fields' => $this->_collectForeignKeys(),
+						'conditions' => array($this->alias . '.' . $this->primaryKey => $id),
+						'recursive' => -1,
+						'callbacks' => false
+					));
+				}
 			}
 
 			if ($db->delete($this, array($this->alias . '.' . $this->primaryKey => $id))) {
diff --git a/lib/Cake/Test/Case/Model/Datasource/Database/MysqlTest.php b/lib/Cake/Test/Case/Model/Datasource/Database/MysqlTest.php
index d86295b77..dcd9aefe1 100644
--- a/lib/Cake/Test/Case/Model/Datasource/Database/MysqlTest.php
+++ b/lib/Cake/Test/Case/Model/Datasource/Database/MysqlTest.php
@@ -147,8 +147,8 @@ class MysqlTest extends CakeTestCase {
 	public function testLocalizedFloats() {
 		$this->skipIf(DS === '\\', 'The locale is not supported in Windows and affect the others tests.');
 
-		$restore = setlocale(LC_ALL, 0);
-		setlocale(LC_ALL, 'de_DE');
+		$restore = setlocale(LC_NUMERIC, 0);
+		setlocale(LC_NUMERIC, 'de_DE');
 
 		$result = $this->Dbo->value(3.141593);
 		$this->assertEquals('3.141593', $result);
@@ -171,7 +171,7 @@ class MysqlTest extends CakeTestCase {
 		$result = $this->db->value(2.2E-54);
 		$this->assertEquals('2.2E-54', (string)$result);
 
-		setlocale(LC_ALL, $restore);
+		setlocale(LC_NUMERIC, $restore);
 	}
 
 /**
diff --git a/lib/Cake/Test/Case/Utility/CakeNumberTest.php b/lib/Cake/Test/Case/Utility/CakeNumberTest.php
index 7c2dab19e..2d9f8aafd 100644
--- a/lib/Cake/Test/Case/Utility/CakeNumberTest.php
+++ b/lib/Cake/Test/Case/Utility/CakeNumberTest.php
@@ -484,6 +484,22 @@ class CakeNumberTest extends CakeTestCase {
 		$this->assertEquals($expected, $result);
 	}
 
+/**
+ * test toReadableSize() with locales
+ *
+ * @return void
+ */
+	public function testReadableSizeLocalized() {
+		$restore = setlocale(LC_ALL, 0);
+		setlocale(LC_ALL, 'de_DE');
+		$result = $this->Number->toReadableSize(1321205);
+		$this->assertRegExp('/1[,.]26 MB/', $result);
+
+		$result = $this->Number->toReadableSize(1024 * 1024 * 1024 * 512);
+		$this->assertRegExp('/512[,.]00 GB/', $result);
+		setlocale(LC_ALL, $restore);
+	}
+
 /**
  * testToPercentage method
  *
diff --git a/lib/Cake/Utility/CakeNumber.php b/lib/Cake/Utility/CakeNumber.php
index 99f271495..3b21cbc36 100644
--- a/lib/Cake/Utility/CakeNumber.php
+++ b/lib/Cake/Utility/CakeNumber.php
@@ -70,13 +70,13 @@ class CakeNumber {
 /**
  * Formats a number with a level of precision.
  *
- * @param float $number	A floating point number.
+ * @param float $number A floating point number.
  * @param integer $precision The precision of the returned number.
  * @return float Formatted float.
  * @link http://book.cakephp.org/2.0/en/core-libraries/helpers/number.html#NumberHelper::precision
  */
 	public static function precision($number, $precision = 3) {
-		return sprintf("%01.{$precision}f", $number);
+		return sprintf("%01.{$precision}F", $number);
 	}
 
 /**