Ошибка при установке Ubuntu 14.04 x64

[DieSeLAB]

BusyBox v1.21.1 (Ubuntu 1:1.21.0 1ubuntu1) built-in shell (ash)
Enter 'help' for a lost of built-in commands.

(initramfs) mount: mounting /dev/loop0 on //filesystem.squashfs failed: invalid argument
Can not mount /dev/loop0 (/cdrom/casper/filesystem.sqashfs) on //filesystem.squashfs

Что подскажите?