Assassin's Creed: Brotherhood
From PCGamingWiki, the wiki about fixing PC games
Assassin's Creed: Brotherhood is the third installment in the Assassin's Creed series.
Version Differences
Digital Rights Management (DRM)
The game requires an initial online authentication through the Ubisoft Game Launcher, after which it will be playable offline.
Issues and Fixes
Game won't launch, no error message
In your user folder, add this folder : "\Saved Games\Assassin's Creed Brotherhood\Saved".