Major 7.1 Install Problem

["James Jackson" <james newerawd co uk>]

Hi all,
    When I boot RedHat install, all the correct stuff happens for a while
(penguin at the top, all the stuff scrolling down). Then the display
switches to a blue screen. After a little pause, some text appears at the
bottom, saying that Anaconda is loading, then immediately followed by the
text:

exec: file or directory not found

everything is then killed, leaving a message promping for a computer
restart. What could be causing this?

Thanks in advance,
James Jackson.