If you are still having problems with The Pitt, Bethesda has explained on their blog to delete the DLC off your hard drive and re-download (no extra charge to re-download) The Pitt to ensure you are playing the most up to date version. If you haven’t had any problems with the DLC you don’t have to take any further action.
To delete the previous content for The Pitt, follow these steps:
- Sign in to Xbox LIVE then press the guide button
- Go to Settings->System Settings->Memory.
- From here, scroll down to Fallout 3 and press A.
- Select Fallout 3: The Pitt (Marketplace Content) press A then choose Delete, then Yes to Delete.