diff --git a/workflow/engine/methods/setup/replacementLogo.php b/workflow/engine/methods/setup/replacementLogo.php
index 487b2f58f..de062f4a4 100755
--- a/workflow/engine/methods/setup/replacementLogo.php
+++ b/workflow/engine/methods/setup/replacementLogo.php
@@ -38,21 +38,19 @@ try {//ini_set('display_errors','1');
   	break;
   }
   function changeNamelogo($snameLogo){
-   $snameLogo = ereg_replace("[áàâãª]","a",$snameLogo);
-   $snameLogo = ereg_replace("[ÁÀÂÃ]","A",$snameLogo);
-   $snameLogo = ereg_replace("[ÍÌÎ]","I",$snameLogo);
-   $snameLogo = ereg_replace("[íìî]","i",$snameLogo);
-   $snameLogo = ereg_replace("[éèê]","e",$snameLogo);
-   $snameLogo = ereg_replace("[ÉÈÊ]","E",$snameLogo);
-   $snameLogo = ereg_replace("[óòôõº]","o",$snameLogo);
-   $snameLogo = ereg_replace("[ÓÒÔÕ]","O",$snameLogo);
-   $snameLogo = ereg_replace("[úùû]","u",$snameLogo);
-   $snameLogo = ereg_replace("[ÚÙÛ]","U",$snameLogo);
-   $snameLogo = str_replace("ç","c",$snameLogo);
-   $snameLogo = str_replace("Ç","C",$snameLogo);
-   $snameLogo = str_replace("[ñ]","n",$snameLogo);
-   $snameLogo = str_replace("[Ñ]","N",$snameLogo);
-  return ($snameLogo);
+   $snameLogo = strtolower($snameLogo);
+   //replace special characteres and others
+   $buscar = array('á', 'é', 'í', 'ó', 'ú', 'ñ', 'á', 'é', 'í', 'ó', 'ú', 'ä', 'ë', 'ï', 'ö', 'ü', 'ä', 'ë', 'ï', 'ö', 'ü', 'Á', 'É', 'Í', 'Ó', 'Ú', 'Ä', 'Ë', 'Ï', 'Ö', 'Ãœ', 'ñ');
+   $repl = array('a', 'e', 'i', 'o', 'u', 'n', 'a',  'e',  'i',  'o',  'u',  'a', 'e', 'i', 'o', 'u', 'a',  'e',  'i',  'o',  'u',  'a',  'e',  'i',  'o',  'u',  'a',  'e',  'i',  'o',  'u',  'n');
+   $snameLogo = str_replace($buscar, $repl, $snameLogo);
+   // add some caracteres
+   $lookforit = array(' ', '&', '\r\n', '\n', '+', '_');
+   $snameLogo = str_replace($lookforit, '-', $snameLogo);
+   // removing and replace others special characteres
+   $lookforit = array('/[^a-z0-9\-<>]/', '/[\-]+/', '/<[^>]*>/');
+   $repl = array('.', '-', '.');
+   $snameLogo = preg_replace ($lookforit, $repl, $snameLogo);
+   return ($snameLogo);
   }
 
   $sfunction =$_GET['function'];
diff --git a/workflow/engine/templates/setup/uplogo.php b/workflow/engine/templates/setup/uplogo.php
index c94ed9667..a812cd566 100755
--- a/workflow/engine/templates/setup/uplogo.php
+++ b/workflow/engine/templates/setup/uplogo.php
@@ -91,22 +91,21 @@ try {
     }
   }
   function changeNamelogo($snameLogo){
-   $snameLogo = ereg_replace("[áàâãª]","a",$snameLogo);
-   $snameLogo = ereg_replace("[ÁÀÂÃ]","A",$snameLogo);
-   $snameLogo = ereg_replace("[ÍÌÎ]","I",$snameLogo);
-   $snameLogo = ereg_replace("[íìî]","i",$snameLogo);
-   $snameLogo = ereg_replace("[éèê]","e",$snameLogo);
-   $snameLogo = ereg_replace("[ÉÈÊ]","E",$snameLogo);
-   $snameLogo = ereg_replace("[óòôõº]","o",$snameLogo);
-   $snameLogo = ereg_replace("[ÓÒÔÕ]","O",$snameLogo);
-   $snameLogo = ereg_replace("[úùû]","u",$snameLogo);
-   $snameLogo = ereg_replace("[ÚÙÛ]","U",$snameLogo);
-   $snameLogo = str_replace("ç","c",$snameLogo);
-   $snameLogo = str_replace("Ç","C",$snameLogo);
-   $snameLogo = str_replace("[ñ]","n",$snameLogo);
-   $snameLogo = str_replace("[Ñ]","N",$snameLogo);
-  return ($snameLogo);
+   $snameLogo = strtolower($snameLogo);
+   //replace special characteres and others
+   $buscar = array('á', 'é', 'í', 'ó', 'ú', 'ñ', 'á', 'é', 'í', 'ó', 'ú', 'ä', 'ë', 'ï', 'ö', 'ü', 'ä', 'ë', 'ï', 'ö', 'ü', 'Á', 'É', 'Í', 'Ó', 'Ú', 'Ä', 'Ë', 'Ï', 'Ö', 'Ãœ', 'ñ');
+   $repl = array('a', 'e', 'i', 'o', 'u', 'n', 'a',  'e',  'i',  'o',  'u',  'a', 'e', 'i', 'o', 'u', 'a',  'e',  'i',  'o',  'u',  'a',  'e',  'i',  'o',  'u',  'a',  'e',  'i',  'o',  'u',  'n');
+   $snameLogo = str_replace($buscar, $repl, $snameLogo);
+   // add some caracteres
+   $lookforit = array(' ', '&', '\r\n', '\n', '+', '_');
+   $snameLogo = str_replace($lookforit, '-', $snameLogo);
+   // removing and replace others special characteres
+   $lookforit = array('/[^a-z0-9\-<>]/', '/[\-]+/', '/<[^>]*>/');
+   $repl = array('.', '-', '.');
+   $snameLogo = preg_replace ($lookforit, $repl, $snameLogo);
+   return ($snameLogo);
   }
+
   // if we have at least one image we show the restore image 
   /*if($i>0) {
       $template->gotoBlock( "_ROOT" );