After a new patch, StarCraft 2 do not start

Date: 7 december 2010 Author: Arnaldo Maggiora Vergano

It is very nice the Saturn image with music going on, but where is my menù?

Turning on your computer you seem listening the terran Missile Turret "working". "Nuclear launch detected".
Double click on the SC2 icon. There is a new patch to install. Downloaded, installed... blocked on Saturn's image with music going on, but no connection menù appears.

Solution: !!!
Your firewall is blocking internet access to \blizzarddownloader.exe "Blizzard Downloader" or \StarCraft II.exe "Blizzard Launcher"
In my case WIndows 7 firewall was blocking "Blizzard Downloader"

Here you find step by step instruction (Windows 7):
click "Start"
in the "search bar" write firewall
click on "Windows firewall"
than "Allow a program or features..."
With your mouse select the program you have to "allow", in my case "Blizzard Downloader"
Click on  "Chenge settings"
Click on public to let the program access the internet.
I have found 2 "Blizzard Downloader", one was allowed to access only "home/private" network and the other only "public". I have added "public" and the game started normally.

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