If you encounter this error, do not worry at all.
Because of this error, remove the boot loader on the flash memory device is not a hardware problem.
To solve this problem, use the following up of the DreamUP.
RS232 cable to your receiver and unplug the receiver from the cable lan
Be careful when installing the image, Badsector option is enabled.
The problem is easily solved.
by N@SER
Good luck