!!HELP!! CAN NOT update box firmware

Hi, all
Please help me. my ATf box advice me as
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Please update your Box Firmware
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* Follow these Instructions
1. Disconnect any phones connected to ATF Box
2. Go to "Product Support Tab"
3. Go to "Box Tools" Section
4. Click "Update Firmware" button

* Make sure you put ATF Software in Windows
FireWall Exclusion List

* Make sure you put ATF Software in your
Virus Scanner Exclusion List

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Box Successfully Initialized
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I try to update in "Box tool",,but always get"ERROR SERVER CONNECTION"
ANYONE can help me, may thx.
SN:F0BF9BEA