Reply to VCI-400 SE New Firmware mismatch!ERROR! no ACK still in bootloader mode! help!!!Pls!!

Hi everybody got a big Problem:
Wanna upgrade via PC load Current firmware Version...browse for v2.0...start and FirmUp says: ACK not found!...The VCI is still now in bootloader mode and i can't use it...got my next session on Dec. the 1st. WAHHH need help please!
Notes: Got VCI-400 SE / Win 7 (64bit) / Vestax ASIO Driver 1.52 / Vestax v2.0 firmware (Standalone Mixer) / Ean Golden firmware v1.0 (0007004)