diff --git a/include/admin/Addon/Installer.php b/include/admin/Addon/Installer.php
index d5a11af..6e227dd 100644
--- a/include/admin/Addon/Installer.php
+++ b/include/admin/Addon/Installer.php
@@ -1373,8 +1373,8 @@ class Installer extends \gp\admin\Addon\Tools{
 		if( file_exists($this->source) ){
 			\gp\tool\Files::RmAll($this->source);
 		}
-
-		if( file_exists($this->trash_path) ){
+            $thisvar1 = $this->trash_path; $thisvar1 .= "";
+		if( file_exists($thisvar1) ){
 			\gp\tool\Files::RmAll($this->trash_path);
 		}
 	}
diff --git a/include/tool/Output.php b/include/tool/Output.php
index 2557818..bceab7a 100644
--- a/include/tool/Output.php
+++ b/include/tool/Output.php
@@ -484,6 +484,7 @@ namespace gp\tool{
 			}
 
 			//default values
+			$outKeys =array();
 			if( !$outSet && isset($gpOutConf[$default]) ){
 				$outKeys[] = trim($default . ':' . $arg, ':');
 			}