Assassin's Creed Brotherhood Update Released
Product Update - Valve
Patch 1.02 fixes

Single + Multiplayer
- Fixes an issue that prevents user settings and game progress from being saved if the user's Windows login name contains unicode characters.
- Fixes an issue where users could not add friends whose name contains dot characters.

Multiplayer
- Changed network communication port from 1000 to 7917 in order to fix connection issues caused some ISPs' restrictions.