[Hellfighter]

there are items in service pack 2.
its will ask to let dfbhd.exe enable to connect to the internet.

this is easy to setup.
1.) start>control panel>Windows firewall>Exceptions tap>Add Programs (click-on it add the game or a program to the listing then lookup it find dfbhd.exe or what one you looking for.

when the new windows pop-up see a listing of application then put a check mark into the box next to it click-ok, if you don't see it listed use the "browser" button then look it up the item you like to add when finish click-on ok.