diff --git a/rainloop/v/0.0.0/app/libraries/RainLoop/Actions.php b/rainloop/v/0.0.0/app/libraries/RainLoop/Actions.php
index a7c7e923f..f9e444a6a 100644
--- a/rainloop/v/0.0.0/app/libraries/RainLoop/Actions.php
+++ b/rainloop/v/0.0.0/app/libraries/RainLoop/Actions.php
@@ -2553,7 +2553,7 @@ class Actions
 					$this->Logger()->Write($sUrl.' -> '.$sTmp, \MailSo\Log\Enumerations\Type::ERROR, 'INSTALLER');
 				}
 
-				@fclose($pDest);
+				@\fclose($pDest);
 			}
 			else
 			{
@@ -2572,8 +2572,8 @@ class Actions
 				
 				$sTmpFolder = APP_PRIVATE_DATA.\md5($sTmp);
 
-				mkdir($sTmpFolder);
-				if (is_dir($sTmpFolder))
+				\mkdir($sTmpFolder);
+				if (\is_dir($sTmpFolder))
 				{
 					$bResult = 0 !== $oArchive->extract(PCLZIP_OPT_PATH, $sTmpFolder);
 					if (!$bResult)
@@ -2581,27 +2581,35 @@ class Actions
 						$this->Logger()->Write('Cannot extract package files: '.$oArchive->errorInfo(), \MailSo\Log\Enumerations\Type::ERROR, 'INSTALLER');
 					}
 
-					if ($bResult && file_exists($sTmpFolder.'/index.php') &&
-						is_writable(APP_INDEX_ROOT_PATH.'rainloop/') &&
-						file_exists($sTmpFolder.'/data/VERSION') &&
-						is_dir($sTmpFolder.'/rainloop/'))
+					if ($bResult && \file_exists($sTmpFolder.'/index.php') &&
+						\is_writable(APP_INDEX_ROOT_PATH.'rainloop/') &&
+						\file_exists($sTmpFolder.'/data/VERSION') &&
+						\is_dir($sTmpFolder.'/rainloop/'))
 					{
-						$sNewVersion = file_get_contents($sTmpFolder.'/data/VERSION');
-						if ($sNewVersion && !is_dir(APP_INDEX_ROOT_PATH.'rainloop/v/'.$sNewVersion))
+						$sNewVersion = \file_get_contents($sTmpFolder.'/data/VERSION');
+						if ($sNewVersion && !\is_dir(APP_INDEX_ROOT_PATH.'rainloop/v/'.$sNewVersion))
 						{
 							\MailSo\Base\Utils::CopyDir($sTmpFolder.'/rainloop/', APP_INDEX_ROOT_PATH.'rainloop/');
 
-							copy($sTmpFolder.'/data/VERSION', APP_DATA_FOLDER_PATH.'VERSION');
-							if (md5_file($sTmpFolder.'/index.php') !== md5_file(APP_INDEX_ROOT_PATH.'index.php'))
+							if (!\is_dir(APP_INDEX_ROOT_PATH.'rainloop/v/'.$sNewVersion) &&
+								\copy($sTmpFolder.'/data/VERSION', APP_DATA_FOLDER_PATH.'VERSION'))
 							{
-								copy($sTmpFolder.'/index.php', APP_INDEX_ROOT_PATH.'index.php');
-							}
+								if (\md5_file($sTmpFolder.'/index.php') !== \md5_file(APP_INDEX_ROOT_PATH.'index.php'))
+								{
+									\copy($sTmpFolder.'/index.php', APP_INDEX_ROOT_PATH.'index.php');
+								}
 
-							$bResult = true;
+								$bResult = true;
+							}
+							else
+							{
+								$this->Logger()->Write('Cannot copy new package files', \MailSo\Log\Enumerations\Type::ERROR, 'INSTALLER');
+								$this->Logger()->Write($sTmpFolder.'/rainloop/ -> '.APP_INDEX_ROOT_PATH.'rainloop/', \MailSo\Log\Enumerations\Type::ERROR, 'INSTALLER');
+							}
 						}
 						else
 						{
-							$this->Logger()->WriteDump($sNewVersion.' version already installed', \MailSo\Log\Enumerations\Type::ERROR, 'INSTALLER');
+							$this->Logger()->Write($sNewVersion.' version already installed', \MailSo\Log\Enumerations\Type::ERROR, 'INSTALLER');
 						}
 					}
 					else if ($bResult)
@@ -2619,7 +2627,7 @@ class Actions
 			else
 			{
 				$bResult = true;
-				if (is_dir(APP_PLUGINS_PATH.$sId))
+				if (\is_dir(APP_PLUGINS_PATH.$sId))
 				{
 					$bResult = \MailSo\Base\Utils::RecRmDir(APP_PLUGINS_PATH.$sId);
 					if (!$bResult)
@@ -2638,12 +2646,11 @@ class Actions
 				}
 			}
 			
-			@unlink($sTmp);
+			@\unlink($sTmp);
 		}
 
-		return $this->DefaultResponse(__FUNCTION__, $bResult ? (
-				'plugin' !== $sType ? array('Reload' => true) : true
-			) : false);
+		return $this->DefaultResponse(__FUNCTION__, $bResult ?
+			('plugin' !== $sType ? array('Reload' => true) : true) : false);
 	}
 	
 	/**