diff --git a/adblock/adblock.plugin.disabled.php b/adblock/adblock.plugin.disabled.php
index fb6b1c6..210f99c 100755
--- a/adblock/adblock.plugin.disabled.php
+++ b/adblock/adblock.plugin.disabled.php
@@ -106,12 +106,14 @@ function adblock_plugin_setting_update($_) {
     if($_['action'] == 'adblock_update') {
         $flash_enabled = (int) $_['flash_adblock_enable'];
         $flash_block = (int) $_['flash_adblock_default_behavior'];
-        $flash_list = str_replace("\n", ",", $_["flash_adblock_list"]);
+        $flash_list = str_replace("\r\n", ",", $_["flash_adblock_list"]);
+        $flash_list = str_replace("\n", ",", $flash_list);
 
         $img_enabled = (int) $_['img_adblock_enable'];
         $img_block = (int) $_['img_adblock_default_behavior'];
         $img_only_mobiles = (int) $_["img_adblock_only_mobiles"];
-        $img_list = str_replace("\n", ",", $_["img_adblock_list"]);
+        $img_list = str_replace("\r\n", ",", $_["img_adblock_list"]);
+        $img_list = str_replace("\n", ",", $img_list);
 
         if(file_put_contents("plugins/adblock/adblock_constants.php", "flash_enabled = ".$flash_enabled."\nflash_block = ".$flash_block."\nflash_list = ".$flash_list."\nimg_enabled = ".$img_enabled."\nimg_block = ".$img_block."\nimg_only_mobiles = ".$img_only_mobiles."\nimg_list = ".$img_list))
             header('location: settings.php');
diff --git a/adblock/adblock_constants.php b/adblock/adblock_constants.php
index df586df..96d7f49 100755
--- a/adblock/adblock_constants.php
+++ b/adblock/adblock_constants.php
@@ -1,7 +1,7 @@
 flash_enabled = 0
 flash_block = 0
-flash_list = 1
,2
,3
,4
+flash_list = 
 img_enabled = 0
 img_block = 0
-img_only_mobiles = 1
-img_list = 0
,1
\ No newline at end of file
+img_only_mobiles = 0
+img_list = 
diff --git a/adblock/install.php b/adblock/install.php
new file mode 100644
index 0000000..da58e45
--- /dev/null
+++ b/adblock/install.php
@@ -0,0 +1,3 @@
+<?php
+    if(!file_put_contents("plugins/adblock/adblock_constants.php", "flash_enabled = 0\nflash_block = 0\nflash_list = \"\"\nimg_enabled = 0\nimg_block = 0\nimg_only_mobiles = 0\nimg_list = \"\""))
+        exit("An error occured while initalizing the file to store parameters (plugins/adblock/adblock_constants.php). Check the write permissions of the web server on the parent folders.");