Hello , I am using a subdomain in htaccess file . RewriteEngine on RewriteCond %{HTTP_HOST} ^sss.ad4business.com$ [OR] RewriteCond %{HTTP_HOST} ^www.sss.ad4business.com$ RewriteRule ^(.*)$ http://www.ad4business.com/sss/$1 [R=301,L] Code (markup): It works fine but Now I want to convert this site to PHP so I added : RewriteEngine on RewriteCond %{HTTP_HOST} ^sss.ad4business.com$ [OR] RewriteCond %{HTTP_HOST} ^www.sss.ad4business.com$ RewriteRule ^(.*)$ http://www.ad4business.com/sss/$1 [R=301,L] Â AddType application/x-httpd-php .php .htm .html Code (markup): Now trying to load index.html gives an internal server error . What is wrong and how can I fix this ? Am I missing some line distinction character ? Like in javascript ";" is used to end a line ...Something here ? Regards Jeet