Authentication stage error: Connection Closed Gracefully

[hadri]

Upgrade log:
---------- HWK Update Client v 2.1.0.2 ----------
---------- HWK upgrade started:24/05/2011 10:08:20 ----------
-- Target Id : 62 CF 1 10
-- UFSx Boot : UFxBoot V2.2 (c) SarasSoft 2003.
-- UFSx Firmw.: UFS_USB V2.8 (c) SarasSoft 2007.
-- UFSx S/N : ******
-- Features : 00000001
-- Licence 5 : True
-- UFSx Vendor: TORNADO
-- HWK ID : ********************
-- HWK Status : 1, DL: 0
----------
Locating HWK Upgrade server...
HWK Upgrade server found!
Preparing connection to server...
Connecting to HWKUpgrade server...
Server connection successfully established.
Authenticating on server...
Authentication stage error: Connection Closed Gracefully.
ما هوالمشكل عندي ؟ هل المشكل من السرفر وعليا الانتظار ام هناك مشكل اخر؟