Freeze during install, I/O error Unhandled sense code

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http://crunchbanglinux.org – Hello. I've been trying to install #! Waldorf but the install freezes during the "Install the system" part, while the installer is "Copy data to disk." I've searched but I haven't seen anyone with the same errors as me. When I press Alt+Crtl+F3 I'm getting an endless loop of:  end_request: I/O error, dev sr0, sector 1119XXX (sector number keeps changing)  sr 1:0:0:0: [sr0] Unhandled sense code  sr 1:0:0:0: [sr0]  Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE  sr 1:0:0:0: [sr0] Sense Key : Medium error [current]  sr 1:0:0:0 (HowTos)