Hi, The file wasn't 777, but I have just changed it now and still a server error page comes up. The contents are; # URL rewriting module activation RewriteEngine on # URL rewriting rules RewriteRule ^([0-9]+)\-([a-zA-Z0-9-]*)\.html(.*)$ product.php?id_product=$1$3 [L,E] RewriteRule ^([0-9]+)\-([a-zA-Z0-9-]*)(.*)$ category.php?id_category=$1 [QSA,L,E] RewriteRule ^([0-9]+)__([a-zA-Z0-9-]*)(.*)$ supplier.php?id_supplier=$1$3 [QSA,L,E] RewriteRule ^([0-9]+)_([a-zA-Z0-9-]*)(.*)$ manufacturer.php?id_manufacturer=$1$3 [QSA,L,E] # Catch 404 errors ErrorDocument 404 /404.php Richard