diff --git a/application/Espo/Core/Container.php b/application/Espo/Core/Container.php
index 9fe1d7499d..3fadccfbdd 100644
--- a/application/Espo/Core/Container.php
+++ b/application/Espo/Core/Container.php
@@ -76,9 +76,7 @@ class Container
 	private function loadFileManager()
     {
     	return new \Espo\Core\Utils\File\Manager(
-			array(
-				'defaultPermissions' => $this->get('config')->get('defaultPermissions'),
-			)
+			$this->get('config')
 		);
     }
 
diff --git a/application/Espo/Core/Utils/File/Manager.php b/application/Espo/Core/Utils/File/Manager.php
index 8fa325a152..7581bad3c9 100644
--- a/application/Espo/Core/Utils/File/Manager.php
+++ b/application/Espo/Core/Utils/File/Manager.php
@@ -29,9 +29,17 @@ class Manager
 {
 	private $permission;
 
-	public function __construct(array $params = null)
+	public function __construct(\Espo\Core\Utils\Config $config = null)
 	{
-		$this->permission = new Permission($params);
+		$params = null;
+		if (isset($config)) {
+			$params = array(
+				'defaultPermissions' => $config->get('defaultPermissions'),
+				'permissionMap' => $config->get('permissionMap'),
+			);
+		}
+
+		$this->permission = new Permission($this, $params);
 	}
 
 	public function getPermissionUtils()
@@ -39,8 +47,6 @@ class Manager
 		return $this->permission;
 	}
 
-
-
 	/**
 	 * Get a list of files in specified directory
 	 *
@@ -173,7 +179,12 @@ class Manager
 			throw new Error('Permission denied in '. $path);
 		}
 
-		return (file_put_contents($fullPath, $data, $flags, $context) !== FALSE);
+		$res = (file_put_contents($fullPath, $data, $flags, $context) !== FALSE);
+		if ($res && function_exists('opcache_invalidate')) {
+			opcache_invalidate($fullPath);
+		}
+
+		return $res;
 	}
 
 	/**
diff --git a/application/Espo/Core/Utils/File/Permission.php b/application/Espo/Core/Utils/File/Permission.php
index ab9ad1ac58..ef641f8aaf 100644
--- a/application/Espo/Core/Utils/File/Permission.php
+++ b/application/Espo/Core/Utils/File/Permission.php
@@ -18,7 +18,7 @@
  *
  * You should have received a copy of the GNU General Public License
  * along with EspoCRM. If not, see http://www.gnu.org/licenses/.
- ************************************************************************/ 
+ ************************************************************************/
 
 namespace Espo\Core\Utils\File;
 
@@ -27,71 +27,121 @@ use Espo\Core\Utils,
 
 class Permission
 {
+	private $fileManager;
+
+	/**
+	 * Last permission error
+	 *
+	 * @var array | string
+	 */
+	protected $permissionError = null;
+
+	protected $permissionErrorRules = null;
+
 	protected $params = array(
 		'defaultPermissions' => array (
-		    'dir' => '0775',
-		    'file' => '0664',
-		    'user' => '',
-		    'group' => '',
+			'dir' => '0775',
+			'file' => '0664',
+			'user' => '',
+			'group' => '',
+		),
+		'permissionMap' => array(
+
+			/** array('0664', '0775') */
+			'writable' => array(
+				'data',
+				'custom',
+			),
+
+			/** array('0644', '0755') */
+			'readable' => array(
+				'api',
+				'application',
+				'client',
+				'vendor',
+				'index.php',
+				'cron.php',
+				'rebuild.php',
+				'main.html',
+				'reset.html',
+			),
 		),
 	);
 
+	protected $permissionRules = array(
+		'writable' => array('0664', '0775'),
+		'readable' => array('0644', '0755'),
+	);
 
-	public function __construct(array $params = null)
+
+	public function __construct(Manager $fileManager, array $params = null)
 	{
+		$this->fileManager = $fileManager;
 		if (isset($params)) {
 			$this->params = $params;
 		}
 	}
 
+	protected function getFileManager()
+	{
+		return $this->fileManager;
+	}
+
 	protected function getParams()
 	{
 		return $this->params;
 	}
 
 
-    /**
-     * Get default settings
+	/**
+	 * Get default settings
 	 *
 	 * @return object
 	 */
-    public function getDefaultPermissions()
+	public function getDefaultPermissions()
 	{
 		$params = $this->getParams();
 		return $params['defaultPermissions'];
 	}
 
 
+	public function getPermissionRules()
+	{
+		return $this->permissionRules;
+	}
+
+
+
 	/**
-     * Set default permission
+	 * Set default permission
 	 *
 	 * @param string $path
 	 * @param bool $recurse
 	 *
 	 * @return bool
 	 */
-    public function setDefaultPermissions($path, $recurse = false)
+	public function setDefaultPermissions($path, $recurse = false)
 	{
 		if (!file_exists($path)) {
 			return false;
 		}
 
-        $permission = $this->getDefaultPermissions();
+		$permission = $this->getDefaultPermissions();
 
-        $result = $this->chmod($path, array($permission['file'], $permission['dir']), $recurse);
+		$result = $this->chmod($path, array($permission['file'], $permission['dir']), $recurse);
 		if (!empty($permission['user'])) {
-        	$result &= $this->chown($path, $permission['user'], $recurse);
+			$result &= $this->chown($path, $permission['user'], $recurse);
 		}
 		if (!empty($permission['group'])) {
-        	$result &= $this->chgrp($path, $permission['group'], $recurse);
+			$result &= $this->chgrp($path, $permission['group'], $recurse);
 		}
 
-        return $result;
+		return $result;
 	}
 
 
 	/**
-     * Get current permissions
+	 * Get current permissions
 	 *
 	 * @param string $filename
 	 * @return string | bool
@@ -108,7 +158,7 @@ class Permission
 	}
 
 	/**
-     * Change permissions
+	 * Change permissions
 	 *
 	 * @param string $filename
 	 * @param int | array $octal - ex. 0755, array(0644, 0755), array('file'=>0644, 'dir'=>0755)
@@ -118,7 +168,7 @@ class Permission
 	 */
 	public function chmod($path, $octal, $recurse = false)
 	{
-    	if (!file_exists($path)) {
+		if (!file_exists($path)) {
 			return false;
 		}
 
@@ -130,17 +180,17 @@ class Permission
 			foreach ($octal as $key => $val) {
 				$pKey= strval($key);
 				if (!in_array($pKey, $rule)) {
-                	$pKey= $rule[$count];
+					$pKey= $rule[$count];
 				}
 
 				if (!empty($pKey)) {
-                	$permission[$pKey]= $val;
+					$permission[$pKey]= $val;
 				}
-                $count++;
+				$count++;
 			}
 		}
 		elseif (is_int((int)$octal)) {
-        	$permission= array(
+			$permission= array(
 				'file' => $octal,
 				'dir' => $octal,
 			);
@@ -152,25 +202,25 @@ class Permission
 		//conver to octal value
 		foreach($permission as $key => $val) {
 			if (is_string($val)) {
-            	$permission[$key]= base_convert($val,8,10);
+				$permission[$key]= base_convert($val,8,10);
 			}
 		}
 
 		//Set permission for non-recursive request
 		if (!$recurse) {
 			if (is_dir($path)) {
-            	return $this->chmodReal($path, $permission['dir']);
+				return $this->chmodReal($path, $permission['dir']);
 			}
-            return $this->chmodReal($path, $permission['file']);
+			return $this->chmodReal($path, $permission['file']);
 		}
 
 		//Recursive permission
-        return $this->chmodRecurse($path, $permission['file'], $permission['dir']);
+		return $this->chmodRecurse($path, $permission['file'], $permission['dir']);
 	}
 
 
-    /**
-     * Change permissions recursive
+	/**
+	 * Change permissions recursive
 	 *
 	 * @param string $filename
 	 * @param int $fileOctal - ex. 0644
@@ -189,8 +239,7 @@ class Permission
 		}
 
 		if (is_dir($path)) {
-			$allFiles = scandir($path);
-			$items = array_slice($allFiles, 2);
+			$allFiles = $this->getFileManager()->getFileList($path);
 
 			foreach ($items as $item) {
 				$this->chmodRecurse($path. Utils\Util::getSeparator() .$item, $fileOctal, $dirOctal);
@@ -203,11 +252,11 @@ class Permission
 	}
 
 
-	
+
 
 
 	/**
-     * Change owner permission
+	 * Change owner permission
 	 *
 	 * @param string $path
 	 * @param int | string $user
@@ -217,7 +266,7 @@ class Permission
 	 */
 	public function chown($path, $user='', $recurse=false)
 	{
-    	if (!file_exists($path)) {
+		if (!file_exists($path)) {
 			return false;
 		}
 
@@ -227,15 +276,15 @@ class Permission
 
 		//Set chown for non-recursive request
 		if (!$recurse) {
-            return $this->chownReal($path, $user);
+			return $this->chownReal($path, $user);
 		}
 
 		//Recursive chown
-        return $this->chownRecurse($path, $user);
+		return $this->chownRecurse($path, $user);
 	}
 
 	/**
-     * Change owner permission recursive
+	 * Change owner permission recursive
 	 *
 	 * @param string $path
 	 * @param string $user
@@ -248,8 +297,7 @@ class Permission
 			return false;
 		}
 
-		$allFiles = scandir($path);
-		$items = array_slice($allFiles, 2);
+		$allFiles = $this->getFileManager()->getFileList($path);
 
 		foreach ($items as $item) {
 			$this->chownRecurse($path. Utils\Util::getSeparator() .$item, $user);
@@ -259,7 +307,7 @@ class Permission
 	}
 
 	/**
-     * Change group permission
+	 * Change group permission
 	 *
 	 * @param string $path
 	 * @param int | string $group
@@ -269,7 +317,7 @@ class Permission
 	 */
 	public function chgrp($path, $group = null, $recurse = false)
 	{
-    	if (!file_exists($path)) {
+		if (!file_exists($path)) {
 			return false;
 		}
 
@@ -279,15 +327,15 @@ class Permission
 
 		//Set chgrp for non-recursive request
 		if (!$recurse) {
-            return $this->chgrpReal($path, $group);
+			return $this->chgrpReal($path, $group);
 		}
 
 		//Recursive chown
-        return $this->chgrpRecurse($path, $group);
+		return $this->chgrpRecurse($path, $group);
 	}
 
 	/**
-     * Change group permission recursive
+	 * Change group permission recursive
 	 *
 	 * @param string $filename
 	 * @param int $fileOctal - ex. 0644
@@ -301,8 +349,7 @@ class Permission
 			return false;
 		}
 
-		$allFiles = scandir($path);
-		$items = array_slice($allFiles, 2);
+		$allFiles = $this->getFileManager()->getFileList($path);
 
 		foreach ($items as $item) {
 			$this->chgrpRecurse($path. Utils\Util::getSeparator() .$item, $group);
@@ -313,7 +360,7 @@ class Permission
 
 
 	/**
-     * Change permissions recursive
+	 * Change permissions recursive
 	 *
 	 * @param string $filename
 	 * @param int $mode - ex. 0644
@@ -323,7 +370,7 @@ class Permission
 	protected function chmodReal($filename,  $mode)
 	{
 		try {
-			$result = chmod($filename, $mode);	
+			$result = chmod($filename, $mode);
 		} catch (\Exception $e) {
 			$result = false;
 		}
@@ -333,39 +380,39 @@ class Permission
 			$this->chgrp($filename, $this->getDefaultGroup(true));
 
 			try {
-				$result = chmod($filename, $mode);	
+				$result = chmod($filename, $mode);
 			} catch (\Exception $e) {
 				throw new Error($e->getMessage());
-			}			
+			}
 		}
 
-        return $result;
+		return $result;
 	}
 
 	protected function chownReal($path, $user)
 	{
 		try {
-			$result = chown($path, $user);	
+			$result = chown($path, $user);
 		} catch (\Exception $e) {
-			throw new Error($e->getMessage());				
+			throw new Error($e->getMessage());
 		}
-		
-        return $result;
+
+		return $result;
 	}
 
 	protected function chgrpReal($path, $group)
 	{
 		try {
-			$result = chgrp($path, $group);	
+			$result = chgrp($path, $group);
 		} catch (\Exception $e) {
-			throw new Error($e->getMessage());				
+			throw new Error($e->getMessage());
 		}
-		
-        return $result;
+
+		return $result;
 	}
 
 	/**
-     * Get default owner user
+	 * Get default owner user
 	 *
 	 * @return int  - owner id
 	 */
@@ -374,19 +421,19 @@ class Permission
 		$defaultPermissions = $this->getDefaultPermissions();
 
 		$owner = $defaultPermissions['user'];
-    	if (empty($owner) && $usePosix) {
-        	$owner = posix_getuid();
-    	}
+		if (empty($owner) && $usePosix) {
+			$owner = posix_getuid();
+		}
 
 		if (empty($owner)) {
 			return false;
 		}
 
-        return $owner;
+		return $owner;
 	}
 
 	/**
-     * Get default group user
+	 * Get default group user
 	 *
 	 * @return int  - group id
 	 */
@@ -395,15 +442,91 @@ class Permission
 		$defaultPermissions = $this->getDefaultPermissions();
 
 		$group = $defaultPermissions['group'];
-    	if (empty($group) && $usePosix) {
-        	$group = posix_getegid();
-    	}
+		if (empty($group) && $usePosix) {
+			$group = posix_getegid();
+		}
 
 		if (empty($group)) {
 			return false;
 		}
 
-        return $group;
+		return $group;
+	}
+
+	/**
+	 * Set permission regarding defined in permissionMap
+	 *
+	 * @return  bool
+	 */
+	public function setMapPermission()
+	{
+		$this->permissionError = array();
+		$this->permissionErrorRules = array();
+
+		$params = $this->getParams();
+
+		$result = true;
+		foreach ($params['permissionMap'] as $type => $items) {
+
+			$permission = $this->permissionRules[$type];
+
+			foreach ($items as $item) {
+
+				if (file_exists($item)) {
+
+					try {
+						$res = $this->chmod($item, $permission, true);
+					} catch (\Exception $e) {
+						$res = false;
+					}
+
+					/** check is wtitable */
+					if ($type == 'writable') {
+
+						$res &= is_writable($item);
+
+						if (is_dir($item)) {
+							$name = uniqid();
+
+							try {
+								$res &= $this->getFileManager()->putContents(array($item, $name), 'test');
+								$res &= $this->getFileManager()->removeFile($name, $item);
+							} catch (\Exception $e) {
+								$res = false;
+							}
+						}
+					}
+
+					if (!$res) {
+						$result = false;
+						$this->permissionError[] = $item;
+						$this->permissionErrorRules[$item] = $permission;
+					}
+				}
+			}
+		}
+
+		return $result;
+	}
+
+	/**
+	 * Get last permission error
+	 *
+	 * @return array | string
+	 */
+	public function getLastError()
+	{
+		return $this->permissionError;
+	}
+
+	/**
+	 * Get last permission error rules
+	 *
+	 * @return array | string
+	 */
+	public function getLastErrorRules()
+	{
+		return $this->permissionErrorRules;
 	}
 
 
diff --git a/application/Espo/Core/defaults/systemConfig.php b/application/Espo/Core/defaults/systemConfig.php
index ba67044450..d9cd1db214 100644
--- a/application/Espo/Core/defaults/systemConfig.php
+++ b/application/Espo/Core/defaults/systemConfig.php
@@ -28,6 +28,28 @@ return array (
 		'user' => '',
 		'group' => '',
 	),
+
+	'permissionMap' => array(
+
+		/** array('0664', '0775') */
+		'writable' => array(
+			'data',
+			'custom',
+		),
+
+		/** array('0644', '0755') */
+		'readable' => array(
+			'api',
+			'application',
+			'client',
+			'vendor',
+			'index.php',
+			'cron.php',
+			'rebuild.php',
+			'main.html',
+			'reset.html',
+		),
+	),
 	'cron' => array(
 		'maxJobNumber' => 15, /** Max number of jobs per one execution */
 		'jobPeriod' => 7800, /** Period for jobs, ex. if cron executed at 15:35, it will execute all pending jobs for times from 14:05 to 15:35 */
@@ -58,6 +80,8 @@ return array (
 		'isInstalled',
 		'defaultPermissions',
 		'systemUser',
+		'permissionMap',
+		'permissionRules',
 	),
 	'adminItems' =>
 	array (
diff --git a/install/core/Installer.php b/install/core/Installer.php
index 6346bfcdf8..d5e3ff027a 100644
--- a/install/core/Installer.php
+++ b/install/core/Installer.php
@@ -31,11 +31,9 @@ class Installer
 
 	protected $isAuth = false;
 
-	protected $writableList = array(
-		'data',
-	);
+	protected $permissionMap;
 
-	protected $writableListError;
+	protected $permissionError;
 
 	/**
 	 * Ajax Urls, pairs: url:directory (if bad permission)
@@ -44,7 +42,6 @@ class Installer
 	 */
 	protected $ajaxUrls = array(
 		'api/v1/Settings' => 'api',
-		'api/v1' => 'api',
 		'client/res/templates/login.tpl' => 'client/res/templates',
 	);
 
@@ -74,7 +71,8 @@ class Installer
 		$this->systemHelper = new SystemHelper();
 
 		$configPath = $this->getConfig()->getConfigPath();
-		$this->writableList[] = $configPath;
+		$this->permissionMap = $this->getConfig()->get('permissionMap');
+		$this->permissionMap['writable'][] = $configPath;
 
 		if (!file_exists($configPath)) {
 			$configData = $this->getConfig()->getDefaults();
@@ -102,6 +100,11 @@ class Installer
 		return $this->systemHelper;
 	}
 
+	protected function getFileManager()
+	{
+		return $this->app->getContainer()->get('fileManager');
+	}
+
 
 	protected function auth()
 	{
@@ -120,12 +123,6 @@ class Installer
 		return $this->app->isInstalled();
 	}
 
-
-	public function getLastWritableError()
-	{
-		return $this->writableListError;
-	}
-
 	protected function getLanguage()
 	{
 		if (!isset($this->language)) {
@@ -175,6 +172,10 @@ class Installer
 		$data = array_merge($data, $initData);
 		$result = $this->saveConfig($data);
 
+		/*if ($result) {
+			$this->app = new \Espo\Core\Application();
+		}*/
+
 		return $result;
 	}
 
@@ -316,30 +317,14 @@ class Installer
 		return false;
 	}
 
-	public function isWritable()
+	public function checkPermission()
 	{
-		$this->writableListError = array();
+		return $this->getFileManager()->getPermissionUtils()->setMapPermission();
+	}
 
-		$fileManager = $this->app->getContainer()->get('fileManager');
-
-		$result = true;
-		foreach ($this->writableList as $item) {
-
-			if (!file_exists($item)) {
-				$item = $fileManager->getDirName($item);
-			}
-
-			if (file_exists($item) && !is_writable($item)) {
-
-				$fileManager->getPermissionUtils()->setDefaultPermissions($item);
-				if (!is_writable($item)) {
-					$result = false;
-					$this->writableListError[] = $item;
-				}
-			}
-		}
-
-		return $result;
+	public function getLastPermissionError()
+	{
+		return $this->getFileManager()->getPermissionUtils()->getLastErrorRules();
 	}
 
 	public function getAjaxUrls()
@@ -350,7 +335,7 @@ class Installer
 	public function fixAjaxPermission($url = null)
 	{
 		$permission = array(0644, 0755);
-		$fileManager = $this->app->getContainer()->get('fileManager');
+		$fileManager = $this->getFileManager();
 
 		$result = false;
 		if (!isset($url)) {
diff --git a/install/core/SystemHelper.php b/install/core/SystemHelper.php
index 8cad89d9b9..128b551d1f 100644
--- a/install/core/SystemHelper.php
+++ b/install/core/SystemHelper.php
@@ -37,6 +37,8 @@ class SystemHelper extends \Espo\Core\Utils\System
 
 	protected $writableDir = 'data';
 
+	protected $combineOperator = '&&';
+
 
 	public function initWritable()
 	{
@@ -127,35 +129,52 @@ class SystemHelper extends \Espo\Core\Utils\System
 		return $this->modRewriteUrl;
 	}
 
-	public function getChmodCommand($path, $permissions = array('755'), $isSudo = false, $isFile = null)
+	public function getChmodCommand($path, $permissions = array('755'), $isSudo = false, $isFile = null, $isCd = true)
 	{
-		$path = $this->getFullPath($path);
+		//$path = $this->getFullPath($path);
+
+		$path = empty($path) ? '*' : $path;
+		if (is_array($path)) {
+			$path = implode(' ', $path);
+		}
 
 		$sudoStr = $isSudo ? 'sudo ' : '';
 
+		$cd = $isCd ? $this->getCd(true) : '';
+
 		if (is_string($permissions)) {
 			$permissions = (array) $permissions;
 		}
 
 		if (!isset($isFile) && count($permissions) == 1) {
-			return $sudoStr.'chmod -R '.$permissions[0].' '.$path;
+			return $cd.$sudoStr.'chmod -R '.$permissions[0].' '.$path;
 		}
 
 		$bufPerm = (count($permissions) == 1) ?  array_fill(0, 2, $permissions[0]) : $permissions;
 
 		$commands = array();
+
+		if ($isCd) {
+			$commands[] = $this->getCd();
+		}
+
 		$commands[] = $sudoStr.'chmod '.$bufPerm[0].' $(find '.$path.' -type f)';
 		$commands[] = $sudoStr.'chmod '.$bufPerm[1].' $(find '.$path.' -type d)';
 
 		if (count($permissions) >= 2) {
-			return implode('; ', $commands);
+			return implode(' ' . $this->combineOperator . ' ', $commands);
 		}
 
 		return $isFile ? $commands[0] : $commands[1];
 	}
 
-	public function getChownCommand($path, $isSudo = false)
+	public function getChownCommand($path, $isSudo = false, $isCd = true)
 	{
+		$path = empty($path) ? '*' : $path;
+		if (is_array($path)) {
+			$path = implode(' ', $path);
+		}
+
 		$owner = posix_getuid();
 		$group = posix_getegid();
 
@@ -165,11 +184,25 @@ class SystemHelper extends \Espo\Core\Utils\System
 			return null;
 		}
 
-		return $sudoStr.'chown -R '.$owner.':'.$group.' '.$this->getFullPath($path);
+		$cd = '';
+		if ($isCd) {
+			$cd = $this->getCd(true);
+		}
+
+		//$path = $this->getFullPath($path;
+		return $cd.$sudoStr.'chown -R '.$owner.':'.$group.' '.$path;
 	}
 
 	public function getFullPath($path)
 	{
+		if (is_array($path)) {
+			$pathList = array();
+			foreach ($path as $pathItem) {
+				$pathList[] = $this->getFullPath($pathItem);
+			}
+			return $pathList;
+		}
+
 		if (!empty($path)) {
 			$path = DIRECTORY_SEPARATOR . $path;
 		}
@@ -196,12 +229,23 @@ class SystemHelper extends \Espo\Core\Utils\System
 		$commands = array();
 		$commands[] = $this->getChmodCommand($chmodPath, $permissions, $isSudo, $isFile);
 
-		$chown = $this->getChownCommand($chownPath, $isSudo);
+		$chown = $this->getChownCommand($chownPath, $isSudo, false);
 		if (isset($chown)) {
 			$commands[] = $chown;
 		}
 
-		return implode('; ', $commands);
+		return implode(' ' . $this->combineOperator . ' ', $commands);
+	}
+
+	protected function getCd($isCombineOperator = false)
+	{
+		$cd = 'cd '.$this->getRootDir();
+
+		if ($isCombineOperator) {
+			$cd .= ' '.$this->combineOperator.' ';
+		}
+
+		return $cd;
 	}
 
 }
diff --git a/install/core/actions/checkWritable.php b/install/core/actions/checkPermission.php
similarity index 53%
rename from install/core/actions/checkWritable.php
rename to install/core/actions/checkPermission.php
index 8b0623da80..3c89e23d02 100644
--- a/install/core/actions/checkWritable.php
+++ b/install/core/actions/checkPermission.php
@@ -23,15 +23,24 @@
 ob_start();
 $result = array('success' => true, 'errorMsg' => '');
 
-if (!$installer->isWritable()) {
+if (!$installer->checkPermission()) {
 	$result['success'] = false;
-	$urls = $installer->getLastWritableError();
- 	foreach ($urls as &$url) {
-		$url = '        '.$url;
- 	}
-	$result['errorMsg'] = $langs['messages']['Permission denied to files'].':<br>'.implode('<br>', $urls);
-	$result['errorFixInstruction'] = $systemHelper->getPermissionCommands('', array('644', '755'));
+	$error = $installer->getLastPermissionError();
+	$urls = array_keys($error);
+	$group = array();
+	foreach($error as $folder => $permission) {
+		$group[implode('-', $permission)][] = $folder;
+	}
+	$instruction = '';
+	$instructionSU = '';
+	foreach($group as $permission => $folders) {
+		$instruction .= $systemHelper->getPermissionCommands(array($folders, ''), explode('-', $permission)) . ";<br>";
+		$instructionSU .= "&nbsp;&nbsp;" . $systemHelper->getPermissionCommands(array($folders, ''), explode('-', $permission), true) . ";<br>";
+	}
+	$result['errorMsg'] = $langs['messages']['Permission denied to'] . ':<br><pre>/'.implode('<br>/', $urls).'</pre>';
+	$result['errorFixInstruction'] = str_replace( '"{C}"' , $instruction, $langs['messages']['permissionInstruction']) . "<br>" .
+										str_replace( '{CSU}' , $instructionSU, $langs['messages']['operationNotPermitted']);
 }
 
 ob_clean();
-echo json_encode($result);
\ No newline at end of file
+echo json_encode($result);
diff --git a/install/core/actions/errors.php b/install/core/actions/errors.php
index d1b4f0c202..d6473a18f9 100644
--- a/install/core/actions/errors.php
+++ b/install/core/actions/errors.php
@@ -18,7 +18,7 @@
  *
  * You should have received a copy of the GNU General Public License
  * along with EspoCRM. If not, see http://www.gnu.org/licenses/.
- ************************************************************************/ 
+ ************************************************************************/
 
 $errors = array();
 if (!empty($_REQUEST['desc'])) {
diff --git a/install/core/actions/settingsTest.php b/install/core/actions/settingsTest.php
index 4ca9682b33..860eae85c9 100644
--- a/install/core/actions/settingsTest.php
+++ b/install/core/actions/settingsTest.php
@@ -33,10 +33,10 @@ if (!empty($res['errors'])) {
 if (!empty($_REQUEST['dbName']) && !empty($_REQUEST['hostName']) && !empty($_REQUEST['dbUserName'])) {
 	$connect = false;
 
-	$dbName = $_REQUEST['dbName'];
-	$hostName = $_REQUEST['hostName'];
-	$dbUserName = $_REQUEST['dbUserName'];
-	$dbUserPass = $_REQUEST['dbUserPass'];
+	$dbName = trim($_REQUEST['dbName']);
+	$hostName = trim($_REQUEST['hostName']);
+	$dbUserName = trim($_REQUEST['dbUserName']);
+	$dbUserPass = trim($_REQUEST['dbUserPass']);
 	$dbDriver = (!empty($_REQUEST['dbDriver']))? $_REQUEST['dbDriver'] : 'pdo_mysql';
 
 	$res = $systemHelper->checkDbConnection($hostName, $dbUserName, $dbUserPass, $dbName, $dbDriver);
diff --git a/install/core/actions/step2.php b/install/core/actions/step2.php
index a18100219a..5fed93852b 100644
--- a/install/core/actions/step2.php
+++ b/install/core/actions/step2.php
@@ -18,7 +18,7 @@
  *
  * You should have received a copy of the GNU General Public License
  * along with EspoCRM. If not, see http://www.gnu.org/licenses/.
- ************************************************************************/ 
+ ************************************************************************/
 
 $fields = array(
 	'db-name' => array(),
diff --git a/install/core/i18n/en_US/install.json b/install/core/i18n/en_US/install.json
index 3eb870e537..ef6e0e00f4 100644
--- a/install/core/i18n/en_US/install.json
+++ b/install/core/i18n/en_US/install.json
@@ -75,7 +75,8 @@
 		"Cannot create user": "Cannot create user",
 		"Permission denied": "Permission denied",
 		"permissionInstruction": "<br>Run this in Terminal<pre><b>\"{C}\"<\/b><\/pre>",
-		"Permission denied to files": "Permission denied to file(s)",
+		"operationNotPermitted" : "Operation not permitted? Try this: <br>{CSU}",
+		"Permission denied to": "Permission denied",
 		"Can not save settings": "Can not save settings",
 		"Cannot save preferences": "Cannot save preferences",
 		"Thousand Separator and Decimal Mark equal": "Thousand Separator and Decimal Mark cannot be equal",
@@ -104,4 +105,4 @@
 			"default": "API Error: EspoCRM API unavailable.<br> Possible problem: disabled Rewrite Module. Please check and enable Rewrite Module in your server (e.g. mod_rewrite in Apache) and .htaccess support."
 		}
 	}
-}
\ No newline at end of file
+}
diff --git a/install/core/tpl/footer.tpl b/install/core/tpl/footer.tpl
new file mode 100644
index 0000000000..e43b0e5262
--- /dev/null
+++ b/install/core/tpl/footer.tpl
@@ -0,0 +1,2 @@
+<p class="credit small">&copy; 2014 <a href="http://www.espocrm.com">EspoCRM</a></p>
+
diff --git a/install/core/tpl/index.tpl b/install/core/tpl/index.tpl
index 84c7841113..7e671b05f2 100644
--- a/install/core/tpl/index.tpl
+++ b/install/core/tpl/index.tpl
@@ -15,12 +15,17 @@
 		}
 		</style>
 	</head>
-	<body>
-		<div class="col-md-offset-1 col-md-10">
-			<div class="panel panel-default">
-				{include file="header.tpl"}
-				{include file="$tplName"}
+	<body class='install-body'>
+		<header id="header"></header>
+		<div class="container content">
+			<div class="col-md-offset-1 col-md-10">
+				<div class="panel panel-default">
+					{include file="header.tpl"}
+					{include file="$tplName"}
+				</div>
 			</div>
 		</div>
+		<footer class="container">{include file="footer.tpl"}</footer>
 	</body>
+	
 </html>
diff --git a/install/core/tpl/main.tpl b/install/core/tpl/main.tpl
index 031b479784..d455ffe7f6 100644
--- a/install/core/tpl/main.tpl
+++ b/install/core/tpl/main.tpl
@@ -5,7 +5,7 @@
 	<div class="panel-body">
 		<div id="msg-box" class="alert hide"></div>
 		<div class="row">
-			<div class=" col-md-13">
+			<div class=" col-md-12">
 				<div align="center">
 				<div class="content-img">
 					<img class="devices" src="img/devices.png" alt="EspoCRM">
diff --git a/install/core/tpl/step1.tpl b/install/core/tpl/step1.tpl
index 03857430b6..f5727fce48 100644
--- a/install/core/tpl/step1.tpl
+++ b/install/core/tpl/step1.tpl
@@ -35,4 +35,4 @@
 		var installScript = new InstallScript({action: 'step1', langs: langs});
 	})
 	{/literal}
-</script>
\ No newline at end of file
+</script>
diff --git a/install/css/install.css b/install/css/install.css
index ae081da528..195ba8ae86 100644
--- a/install/css/install.css
+++ b/install/css/install.css
@@ -15,7 +15,9 @@ select[name="user-lang"] {
 	text-align: left ;
 }
 
-
+.install-body {
+	padding-top: 30px;
+}
 .btn-panel {
 	margin-top: 20px;
 }
diff --git a/install/index.php b/install/index.php
index abf8a8bab6..8ae8aa2eb8 100644
--- a/install/index.php
+++ b/install/index.php
@@ -77,7 +77,7 @@ $ignore = array('desc', 'dbName', 'hostName', 'dbUserName', 'dbUserPass', 'dbDri
 if (!empty($_REQUEST)) {
 	foreach ($_REQUEST as $key => $val) {
 		if (!in_array($val, $ignore))
-		$_SESSION['install'][$key] = $val;
+		$_SESSION['install'][$key] = trim($val);
 	}
 }
 
diff --git a/install/js/install.js b/install/js/install.js
index 1555462e34..d9055071fe 100644
--- a/install/js/install.js
+++ b/install/js/install.js
@@ -42,7 +42,7 @@ var InstallScript = function(opt) {
 	if (typeof(opt.serverType) !== 'undefined') {
 		this.serverType = opt.serverType;
 	}
-	
+
 	if (typeof(opt.OS) !== 'undefined') {
 		this.OS = opt.OS;
 	}
@@ -57,7 +57,7 @@ var InstallScript = function(opt) {
 			'break': true,
 		},
 		{
-			'action': 'checkWritable',
+			'action': 'checkPermission',
 			'break': true,
 		},
 		{
@@ -72,10 +72,7 @@ var InstallScript = function(opt) {
 			'action': 'createUser',
 			'break': true,
 		},
-		{
-			'action': 'checkAjaxPermission',
-			'break': true,
-		}
+		
 	];
 	this.checkIndex = 0;
 	this.checkError = false;
@@ -267,7 +264,7 @@ InstallScript.prototype.step5 = function() {
 		})
 
 	})
-	
+
 	$('.field-smtpAuth').find('input[type="checkbox"]').change( function(e){
 		if ($(this).is(':checked')) {
 			$('.cell-smtpPassword').removeClass('hide');
@@ -282,7 +279,7 @@ InstallScript.prototype.step5 = function() {
 	});
 	$('[name="smtpSecurity"]').change( function(e){
 		if ($(this).val() == '') {
-			$('[name="smtpPort"]').val('25');			
+			$('[name="smtpPort"]').val('25');
 		}
 		else {
 			$('[name="smtpPort"]').val('465');
@@ -416,7 +413,7 @@ InstallScript.prototype.checkSett = function(opt) {
 
 InstallScript.prototype.validate = function() {
 	this.hideMsg();
-	
+
 	var valid = true;
 	var elem = null;
 	var fieldRequired = [];
@@ -450,14 +447,14 @@ InstallScript.prototype.validate = function() {
 			}
 		}
 	}
-	
+
 	// decimal and group sep
 	$('[name="thousandSeparator"]').parent().parent().removeClass('has-error');
-	if (typeof(this.systemSettings.thousandSeparator) !== 'undefined' 
-		&& typeof(this.systemSettings.decimalMark) !== 'undefined' 
+	if (typeof(this.systemSettings.thousandSeparator) !== 'undefined'
+		&& typeof(this.systemSettings.decimalMark) !== 'undefined'
 		&& this.systemSettings.thousandSeparator == this.systemSettings.decimalMark
 		&& valid) {
-		
+
 		$('[name="thousandSeparator"]').parent().parent().addClass('has-error');
 		$('[name="decimalMark"]').parent().parent().addClass('has-error');
 		msg = this.getLang('Thousand Separator and Decimal Mark equal', 'messages');
@@ -552,15 +549,11 @@ InstallScript.prototype.checkAction = function(dataMain) {
 	var currIndex = this.checkIndex;
 	var checkAction = this.checkActions[currIndex].action;
 	this.checkIndex++;
-	
+
 	if (checkAction == 'checkModRewrite') {
 		this.checkModRewrite();
 		return;
 	}
-	if (checkAction == 'checkAjaxPermission') {
-		this.checkAjaxPermission();
-		return;
-	}
 	if (checkAction == 'applySett') {
 		data['user-name'] = this.userSett.name;
 		data['user-pass'] = this.userSett.pass;
@@ -604,25 +597,11 @@ InstallScript.prototype.checkAction = function(dataMain) {
 	})
 }
 
-InstallScript.prototype.checkAjaxPermission = function() {
-	var self = this;
-
-	this.ajaxUrlFinished = 0;
-	this.ajaxUrlPermRes = true;
-	this.ajaxUrlPermMsgs = [];
-	this.ajaxUrlPermInstructions = [];
-
-	var len = this.ajaxUrls.length;
-	for (var count = 0; count < len; count++) {
-		var url = this.ajaxUrls[count];
-		this.checkAjaxPermUrl(url);
-	}
-}
 
 InstallScript.prototype.checkModRewrite = function() {
 	var self = this;
 	this.modRewriteUrl;
-	
+
 	var urlAjax = '..'+this.modRewriteUrl;;
 	var realJqXHR = $.ajax({
 		url: urlAjax,
@@ -635,83 +614,17 @@ InstallScript.prototype.checkModRewrite = function() {
 		if (status == '200' || status == '401') {
 			var data = {'success': 1};
 		}
-		
+
 		self.callbackModRewrite(data);
-		
+
 	})
 }
 
-InstallScript.prototype.checkAjaxPermUrl = function(url) {
-	var self = this;
-
-	var urlAjax = '../'+url;
-	var realJqXHR = $.ajax({
-		url: urlAjax,
-		type: "GET",
-	})
-	.always(function(data, textStatus, jqXHR){
-		var status = jqXHR.status || realJqXHR.status || 404;
-		status += '';
-		if (status == '200' || status == '401') {
-			var data = {'success': 1};
-			self.callbackAjaxPerm(data);
-		}
-		else {
-			var data = {};
-			data.action = 'fixAjaxPermission';
-			data.url = url;
-			$.ajax({
-				url: "index.php",
-				type: "POST",
-				data: data,
-				dataType: 'json',
-			})
-			.done(function(ajaxData){
-				self.callbackAjaxPerm(ajaxData);
-			})
-			.fail(function(){
-
-				var ajaxData = {
-					'success': false,
-					'errorMsg': ['Ajax failed']+': '+url,
-				}
-				self.callbackAjaxPerm(ajaxData);
-			})
-		}
-	})
-}
-
-InstallScript.prototype.callbackAjaxPerm = function(data) {
-	this.ajaxUrlFinished++;
-	if (typeof(data.success) != 'undefined' && !data.success) {
-		this.ajaxUrlPermRes = false;
-		this.ajaxUrlPermMsgs.push(data.errorMsg);
-		if (typeof(data.errorFixInstruction) != 'undefined') {
-			this.ajaxUrlPermInstructions.push(data.errorFixInstruction);
-		}
-	}
-
-	if (this.ajaxUrlFinished == this.ajaxUrls.length) {
-		// all urls was checked
-		var ajaxData = {
-			'success': this.ajaxUrlPermRes
-		}
-		if (!this.ajaxUrlPermRes) {
-			var errorMsg = this.getLang('Permission denied', 'messages') + ' ( ' + this.ajaxUrlPermMsgs.join(', ') + ' ) .';
-			if (this.ajaxUrlPermInstructions.length > 0) {
-				errorMsg += '<br>' + this.getLang('permissionInstruction', 'messages').replace('"{C}"', this.ajaxUrlPermInstructions.join('<br>'));
-			}
-			ajaxData.errorMsg = errorMsg;
-		}
-		this.checkAction(ajaxData);
-	}
-}
-
 InstallScript.prototype.callbackModRewrite = function(data) {
 	var ajaxData = {
 		'success': true,
 	}
-	
+
 	if (typeof(data.success) != 'undefined' && data.success) {
 		this.checkAction(ajaxData);
 		return;
@@ -741,6 +654,7 @@ InstallScript.prototype.callbackChecking = function(data) {
 	}
 	else {
 		var desc = (typeof(data.errorMsg))? data.errorMsg : '';
+		desc += (typeof(data.errorFixInstruction) != 'undefined')? data.errorFixInstruction : '';
 		if (this.reChecking) {
 			this.showMsg({msg: desc, error: true});
 			$("#re-check").removeAttr('disabled');
diff --git a/tests/Espo/Core/Utils/File/ManagerTest.php b/tests/Espo/Core/Utils/File/ManagerTest.php
index 0a7d5cab7b..4868c772e0 100644
--- a/tests/Espo/Core/Utils/File/ManagerTest.php
+++ b/tests/Espo/Core/Utils/File/ManagerTest.php
@@ -17,16 +17,9 @@ class ManagerTest extends \PHPUnit_Framework_TestCase
 
     protected function setUp()
     {
-    	$this->object = new \Espo\Core\Utils\File\Manager(
-			array(
-				'defaultPermissions' => array (
-				    'dir' => '0775',
-				    'file' => '0664',
-				    'user' => '',
-				    'group' => '',
-			  ),
-			)
-		);
+    	$this->objects['config'] = $this->getMockBuilder('\Espo\Core\Utils\Config')->disableOriginalConstructor()->getMock();
+
+    	$this->object = new \Espo\Core\Utils\File\Manager();
 
 		$this->reflection = new ReflectionHelper($this->object);
     }
diff --git a/tests/testData/Utils/Config/config.php b/tests/testData/Utils/Config/config.php
index 7c1238f8f1..1cccd4af8a 100644
--- a/tests/testData/Utils/Config/config.php
+++ b/tests/testData/Utils/Config/config.php
@@ -102,7 +102,7 @@ return array (
     8 => 'Prospect',
   ),
   'isInstalled' => true,
-  'cacheTimestamp' => 1401876283,
+  'cacheTimestamp' => 1401978369,
   'testOption' => 'Another Wrong Value',
   'testOption2' => 'Test2',
 );