IIS phpFox uses mod_rewrite to shorten URLs. An example... Old Method: http://www.yoursite.com/profile.php?user=natio New Method (with mod_rewrite): http://www.yoursite.com/natio Mod_rewrite is a module provided for use with Apache (HTTP Web Server). For those using IIS (Windows) there are a few alternatives to get this working... ISAPI ReWrite IIS Rewrite IIS Mod-Rewrite (Thanks Yogi