Unable to update the firmware on my NV

Hello guys. I was trying to update the firmware trying to make my controller work (it stopped last night in the middle of my set displaying the annoying MMA errors ERROR 3: invalid MMA2. Run firmware Update Mode – 2
ERROR 2: invalid MMA1 Run Firmware Update Mode - 1
I am following the instructions in the updater, but still cannot make it work. It start updating but after few seconds i receive this error Error 14 : Illegal Address Range 706182 on one screen and Error 14 : Illegal Address Range 686247 on the other screen. Please help. Thank you
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