Having said that, I've just looked at the SYSTEM REQUIREMENTS section and the newly added note does make it clear it's the users resposibilty / problem if it doesn't work.
Good work WA - fast response to what could have been a big problem for new users.
Mind you, that doesn't help me!!! Never mind, I can live with it. I'll just search around for another solution. Obviously, I only bought PS3 in the belief it would install through the wizard without problem. This seemed to obviate the need for a full installtion video being made available.