here is the error log
ping server IP...worked, can anybody explain what happens?

Code:
  23:00:05  D-Ultimate Unlocker v3.03 (Beta) by Cruiser Team
  23:00:05  - Fast & Full - Unlock, Relock, Show codes, Sec.zone rebuild, EROM repair, CID change
  23:00:05  Initializing...
! 23:00:05  1. Please see the documentation first (the tab 'Info' or attached .pdf file)
! 23:00:05  2. Choose the phone model
! 23:00:05  3. Select the desired options
! 23:00:05  4. Please connect the phone either via USB while holding 2-5…
! 23:00:05  - or via a serial cable and double-click on it in the device list
  23:01:12  Communicating with server…
E 23:01:17  Error: 0x1F41CF97
E 23:01:17  Cannot connect to the server
E 23:01:17  Failed!
! 23:01:17  To report errors right-click this window