Stop on communicating with server using D-Ultimate Unlocker

[bmikec]

log:

    21:18:02 D-Ultimate Unlocker v3.07 by Cruiser Team
    21:18:02 - Fast & Full - Unlock, Relock, Show codes, Sec.zone rebuild, EROM repair, CID change
    21:18:02 Initializing...
 !  21:18:02 1. Please see the documentation first (the tab 'Info' or attached .pdf file)
 !  21:18:02 2. Choose the phone model
 !  21:18:02 3. Select the desired options
 !  21:18:02 4. Please connect the phone either via USB while holding 2-5…
 !  21:18:02 - or via a serial cable and double-click on it in the device list
    21:19:13 Selected phone: K530
    21:19:13 Connecting via Generic EMP USB Flash Device (USB1)…
    21:19:13 Device driver version: 2.2.0.5
    21:19:13 Device driver date: 4-1-2009
    21:19:14 Connecting to the baseband CPU...
    21:19:14 Entering baseband CPU service mode...
    21:19:14 Detected chipset: DB2020
    21:19:14 Boot mode: ROM
    21:19:14 Sending loader...
    21:19:14 IMEI: 35**0401******
    21:19:14 OTP CID: 51
    21:19:14 Effective CID: 53
    21:19:16 Please reconnect the phone (disconnect, connect while holding 2-5)
    21:19:31 Sending loader...
    21:19:32 Communicating with server…

I pay over paypal, and get email whit user and pass, and whit download link for d-ultimate unlocker, everything wheel fine during installation on winXP.. But when I try to unlock phone process stop on communicating whit server... see log.. what now?
how can you help me?

[bmikec]

Problem to my firewall.. :)
sry..
I successive unlock..