cannot upload neither browse

<?php

function CheckAuthentication()
{
   return true;
}
$config['LicenseName'] = '';
$config['LicenseKey'] = '';

 error_reporting(E_ALL);
 ini_set('display_errors', 1);

$baseUrl = 'http://www.xxxxxxxxxxxxxx.de/_pics/_content/';
$baseDir = 'd:/www/www4/_pics/_content/';


$config['Thumbnails'] = Array(
      'url' => $baseUrl . '_thumbs',
      'directory' => $baseDir . '_thumbs',
      'enabled' => true,
      'directAccess' => false,
      'maxWidth' => 100,
      'maxHeight' => 100,
      'bmpSupported' => false,
      'quality' => 80);


$config['Images'] = Array(
      'maxWidth' => 1600,
      'maxHeight' => 1200,
      'quality' => 80);

$config['RoleSessionVar'] = 'CKFinder_UserRole';
//session_start();

$config['AccessControl'][] = Array(
      'role' => '*',
      'resourceType' => '*',
      'folder' => '/_pics/_content/',

      'folderView' => true,
      'folderCreate' => true,
      'folderRename' => true,
      'folderDelete' => true,

      'fileView' => true,
      'fileUpload' => true,
      'fileRename' => true,
      'fileDelete' => true);

$config['DefaultResourceTypes'] = '';
$config['ResourceType'][] = Array(
      'name' => 'Images',
      'url' => $baseUrl,
      'directory' => $baseDir,
      'maxSize' => 0,
      'allowedExtensions' => 'bmp,gif,jpeg,jpg,png',
      'deniedExtensions' => '');




$config['CheckDoubleExtension'] = false;
$config['FilesystemEncoding'] = 'UTF-8';
$config['SecureImageUploads'] = false;
$config['CheckSizeAfterScaling'] = false;
$config['HtmlExtensions'] = array('html', 'htm', 'xml', 'js');

$config['HideFolders'] = Array(".svn", "CVS");
$config['ChmodFiles'] = 0777 ;
$config['ChmodFolders'] = 0755 ;
$config['ForceAscii'] = false;

include_once "plugins/imageresize/plugin.php";
include_once "plugins/fileeditor/plugin.php";

$config['plugin_imageresize']['smallThumb'] = '90x90';
$config['plugin_imageresize']['mediumThumb'] = '120x120';
$config['plugin_imageresize']['largeThumb'] = '180x180';