Hi, Iam trying to repair K800i. which is dead with black screen but detectable through USB. I tried to repair but return following error code. Please help to sort out...!!

Code:
  13:53:07  D-Ultimate Unlocker v5.04 by Cruiser Team
  13:53:07  - Fast & Full - Unlock, Relock, Show codes, Sec.zone rebuild, EROM repair, CID change
  13:53:07  Initializing...
! 13:53:07  1. Please see the documentation first (the tab 'Info' or attached .pdf file)
! 13:53:07  2. Choose the phone model
! 13:53:07  3. Select the desired options
! 13:53:07  4. Please connect the phone either via USB while holding 2-5…
! 13:53:07  - or via a serial cable and double-click on it in the device list
  13:53:50  Selected phone: K800
  13:53:50  Connecting via Generic EMP USB Flash Device (USB2)…
  13:53:50  Device driver version: 2.2.0.5
  13:53:50  Device driver date: 2-22-2011
  13:53:50  Connecting to the baseband CPU...
  13:53:50  Entering baseband CPU service mode...
  13:53:50  Detected chipset: DB2020
  13:53:50  Boot mode: ROM
  13:53:50  Sending loader...
  13:53:50  IMEI: 35908701104829
  13:53:51  OTP CID: 51
  13:53:51  Effective CID: 49
  13:53:53  Please reconnect the phone (disconnect, connect while holding 2-5)
  13:54:04  Sending loader...
E 13:55:11  Error: 0xF984FBBB
E 13:55:11  Error data: 0xF984FBBB - 00000004:1F000000
E 13:55:11  Error: 0x6C729765
E 13:55:11  Error: 0xF984FBBB
E 13:55:11  Error data: 0xF984FBBB - 00000004:E3030000
E 13:55:11  Error: 0x8CDFAB78
E 13:55:11  Error: 0xFA7863EC
E 13:55:11  Error: 0x780BA8B0
E 13:55:11  Error: 0x599D63C1
E 13:55:11  Error: 0x10BE36DC
E 13:55:11  Error: 0x59AF7680
E 13:55:11  Error: 0xF984FBBB
E 13:55:12  Error data: 0xF984FBBB - 00000004:E3030000
E 13:55:12  GDFS start-up problem
E 13:55:12  Failed!
! 13:55:12  To report errors right-click this window