whats the film called?

Untracable with Diane Lane

http://us.imdb.com/title/tt0880578/

Untraceable (2008)

starring Diane Lane, Billy Burke, Colin Hanks, Joseph Cross, Mary Beth Hurt, Tim De Zarn

IMDB synopsis:

FBI Agent Jennifer Marsh gets caught in a very personal and deadly cat-and-mouse game with a serial killer who knows that people (being what they are~both curious and drawn to the dark side of things) will log onto an "untraceable" website where he conducts violent and painful murders LIVE on the Net. The more people who log on and enter the website, the quicker and more violently the victim dies.

TRIVIA:

Release prints were shipped to some theaters under the fake name "One Way Lane".

The site used by the killer (www.killwithme.com) actually exists. It's owned by the movie studio and it's used to promote the movie. In it, users are taken to a replica of the FBI computer used by the character Jennifer Marsh. Her desktop gets hacked by the killer who provides the visitor with four tests s/he must complete to deactivate his site.

"Untraceable" (2008)

A secret service agent, Jennifer Marsh, gets caught in a very personal and deadly cat-and-mouse game with a serial killer who knows that people (being what they are - both curious and drawn to the dark side of things) will log onto an "untraceable" website where he conducts violent and painful murders LIVE on the net. The more people who log on and enter the website, the quicker and more violently the victim dies

Untraceable.

I think that it is called ' Untraceable' it looks really good, it came out here in the UK about a month ago.

the film is called untraceable and has only just come out in the uk about a month ago, i seen it online ( no pun intended) and it is really good,

Pulse, came out in 2006

i think it's untraceable..not 4 sho though

untraceable

I think you're thinking about "Feardotcom".

http://www.imdb.com/title/tt0295254/