g4 h818p -help me to flash via official flasher

set came as white screen problem-flashed using octopus using below file

now another big problem-only dark screen -but download mode ok.

again got file H818P20d_00_0204.kdz from octopus support-then convert to H818P20d_00_0204.oct

using this file also flashed-logs r in below link


then i tried to flash in official flasher-flashing never start is my problem.

tried in xp and windows 7-can not-help me