diff --git a/root/install_portal/install.php b/root/install_portal/install.php
index f1791153..6a0703a1 100644
--- a/root/install_portal/install.php
+++ b/root/install_portal/install.php
@@ -66,7 +66,7 @@ if( $user->data['is_registered'] && $auth->acl_get('a_board') )
 	{
 		$check_mode = 'install';
 	}
-	elseif( $phpbb3portal === TRUE || version_compare( $old_version, $current_version, "<" ) === TRUE )
+	elseif( $phpbb3portal === TRUE || version_compare( strtolower($old_version), strtolower($current_version), "<" ) === TRUE )
 	{
 		$check_mode = 'update';
 	}
@@ -261,7 +261,7 @@ if( $user->data['is_registered'] && $auth->acl_get('a_board') )
 				}
 		
 				// locate the schema files
-				$dbms_schema = 'schemas/_' . $db_schema . '_schema.sql';
+				$dbms_schema = $phpbb_root_path.'install_portal/schemas/_' . $db_schema . '_schema.sql';
 				$sql_query = @file_get_contents($dbms_schema);
 				$sql_query = preg_replace('#phpbb_#i', $table_prefix, $sql_query);
 				$comments($sql_query);
@@ -280,7 +280,7 @@ if( $user->data['is_registered'] && $auth->acl_get('a_board') )
 			
 				// Now for the data
 		
-				$sql_query = @file_get_contents('schemas/_schema_data.sql');
+				$sql_query = @file_get_contents($phpbb_root_path.'install_portal/schemas/_schema_data.sql');
 				switch ($db->sql_layer)
 				{
 					case 'mssql':
@@ -544,7 +544,7 @@ if( $user->data['is_registered'] && $auth->acl_get('a_board') )
 					}
 	
 					// locate the schema files
-					$dbms_schema = 'schemas/_' . $db_schema . '_schema.sql';
+					$dbms_schema = $phpbb_root_path.'install_portal/schemas/_' . $db_schema . '_schema.sql';
 					$sql_query = @file_get_contents($dbms_schema);
 					$sql_query = preg_replace('#phpbb_#i', $table_prefix, $sql_query);
 					$comments($sql_query);
@@ -563,7 +563,7 @@ if( $user->data['is_registered'] && $auth->acl_get('a_board') )
 				
 					// Start by inserting default data
 			
-					$sql_query = @file_get_contents('schemas/_schema_data.sql');
+					$sql_query = @file_get_contents($phpbb_root_path.'install_portal/schemas/_schema_data.sql');
 					switch ($db->sql_layer)
 					{
 						case 'mssql':
@@ -856,11 +856,11 @@ if( $user->data['is_registered'] && $auth->acl_get('a_board') )
 				{
 					$portal_update_array = array();
 	
-					include $phpbb_root_path.'schemas/update_schema.'.$phpEx;
-					
+					include $phpbb_root_path.'install_portal/schemas/update_schema.'.$phpEx;
+
 					foreach( $sql_update as $sql_ver => $sql_data )
 					{
-						if( version_compare($old_version, $sql_ver, ">=") === TRUE )
+						if( version_compare(strtolower($old_version), strtolower($sql_ver), ">=") === TRUE )
 						{
 							continue;
 						} else {
diff --git a/root/install_portal/schemas/update_schema.php b/root/install_portal/schemas/update_schema.php
index da56560d..5f4c51b9 100644
--- a/root/install_portal/schemas/update_schema.php
+++ b/root/install_portal/schemas/update_schema.php
@@ -52,9 +52,9 @@ $mod_update['0.3.0'] = array(
 	),
 );
 
-$sql_update['1.0.0RC1'] = array(
-	"UPDATE phpbb_portal_config SET config_name = 'portal_right_column_width' config_name = 'portal_right_collumn_width'",
-	"UPDATE phpbb_portal_config SET config_name = 'portal_left_column_width' config_name = 'portal_left_collumn_width'",,
+$sql_update['1.0.0RC2'] = array(
+	"UPDATE phpbb_portal_config SET config_name = 'portal_right_column_width' WHERE config_name = 'portal_right_collumn_width'",
+	"UPDATE phpbb_portal_config SET config_name = 'portal_left_column_width' WHERE config_name = 'portal_left_collumn_width'",
 );
 
 ?>
\ No newline at end of file
diff --git a/root/install_portal/style/layout_install.php b/root/install_portal/style/layout_install.php
index 9230c19e..b0b3ac7c 100644
--- a/root/install_portal/style/layout_install.php
+++ b/root/install_portal/style/layout_install.php
@@ -23,7 +23,7 @@ else
 
 <h1><?php echo $user->lang['INSTALLER_INSTALL_TITLE']; ?></h1>
 <p><?php echo $user->lang['INSTALLER_INSTALL_NOTE']; ?></p>
-<form id="acp_board" method="post" action="<?php echo append_sid('install.'.$phpEx, 'mode=install'); ?>">
+<form id="acp_board" method="post" action="<?php echo append_sid($phpbb_root_path.'install_portal/install.'.$phpEx, 'mode=install'); ?>">
 	<fieldset>
 		<legend><?php echo $user->lang['INSTALLER_INSTALL']; ?></legend>
 		<dl>
diff --git a/root/install_portal/style/layout_uninstall.php b/root/install_portal/style/layout_uninstall.php
index 21b4018b..e9549043 100644
--- a/root/install_portal/style/layout_uninstall.php
+++ b/root/install_portal/style/layout_uninstall.php
@@ -23,7 +23,7 @@ else
 
 <h1><?php echo $user->lang['INSTALLER_UNINSTALL_TITLE']; ?></h1>
 <p><?php echo $user->lang['INSTALLER_UNINSTALL_NOTE']; ?></p>
-<form id="acp_board" method="post" action="<?php echo append_sid('install.'.$phpEx, 'mode=uninstall'); ?>">
+<form id="acp_board" method="post" action="<?php echo append_sid($phpbb_root_path.'install_portal/install.'.$phpEx, 'mode=uninstall'); ?>">
 	<fieldset>
 		<legend><?php echo $user->lang['INSTALLER_UNINSTALL']; ?></legend>
 		<dl>
diff --git a/root/install_portal/style/layout_update.php b/root/install_portal/style/layout_update.php
index bc73f0b2..9ce8cd06 100644
--- a/root/install_portal/style/layout_update.php
+++ b/root/install_portal/style/layout_update.php
@@ -26,7 +26,7 @@ else
 
 <h1><?php echo $user->lang['INSTALLER_UPDATE_TITLE']; ?></h1>
 <p><?php echo sprintf($user->lang['INSTALLER_UPDATE_NOTE'], $old_version, $current_version); ?></p>
-<form id="acp_board" method="post" action="<?php echo append_sid('install.'.$phpEx, 'mode=update'); ?>">
+<form id="acp_board" method="post" action="<?php echo append_sid($phpbb_root_path.'install_portal/install.'.$phpEx, 'mode=update'); ?>">
 	<fieldset>
 		<legend><?php echo $user->lang['INSTALLER_UPDATE']; ?></legend>
 		<dl>