I can give you the exact steps to bypass the bug if I know where the game is hanging.
Files usually go in C:\Users\[Username]\Saved Games\Assassin's Creed III . assassins creed 3 sequence 3 save file verified download
Objectives in "The Braddock Expedition" failing to trigger. I can give you the exact steps to
If you are playing on a modern version (like the Remastered edition), ensure Ubisoft Cloud Sync is turned . Frequently, the game will hang while trying to upload Sequence 3 data, causing the save to "disappear" or loop back to the start of the sequence. A Note on "Verified" Downloads If you are playing on a modern version
The transition at the end of Sequence 3 is surprisingly taxing on the engine. If the game hangs on a loading screen, temporarily drop your resolution to 1280x720 and turn off V-Sync. Once the cutscene for Sequence 4 begins, you can toggle them back up. 3. Use the "Cloud Save" Sync