He told the MI Retail conference of music retailers in London yesterday that he was frustrated at the impotence of a system in which a site could blatantly flout a legal ruling - last year Newzbin was temporarily closed after being found liable for copyright infringement but quickly reopened as Newzbin2 with new servers.

"At what point will we deal with it?" he said.

The Motion Pictures Association is this week seeking an injunction in London's High Court, which seeks ...