After release of BackBox 2.05 we have noticed that the GRUB being corrupted on ISO image of 64 bit version. We would like to inform everyone that the error has been fixed and the new ISO image being uplodaed on our official mirrors. In order to avoid any sort of problem, we would like to invite all users, to download the new ISO image. We would like to also thanks to the community of BackBox users for notification of this error.
Enjoy your BackBox!