You almost certainly have some whitespace being written before your setcookie is called. The setcookie has to be the absolute first characters sent - no whitespace, nothing. HTH, --Liss > Hey. I have this script running at > http://www.cfusions.com/tt2k1/index.php3 and I have a problem with my > setcookie() function. > > You may login under Nicole Baxter , password nicole and see the > short-lived ( depending on your connection speed) error message. > > Everytime the login function is called, we always get an error message > telling me I am trying to set the cookie after the header has been sent. > According to my script, the header is sent AFTER the cookie. > But then again, I'm new to php. > > I have a tcp/ip dump if it can help, I can t see my cookie in the dump ( > maybe cuz it wasn t set?) Any guidance would be greatly appreciated, never > thought I'd spend HOURS fumbling with.... cookies.