LiveUSB not booting >>Youtube Video
 

I can't boot from my liveusb...
http://www.youtube.com/watch?v=Kt-ATnLniHg

This is just a guess but it may be possible that the installation media (usb) did not get created correctly for whatever reason. I have had a similar experience with UNetbootin. You may try recreating the usb install media using another live usb creation program (I have had good luck with Lili).

Regards