Steam will restart and apply an update; try launching the game afterward.
The "Unhandled Exception Caught" error in Call of Duty: Black Ops II (BO2) is a frequent issue for players on modern versions of Windows, such as Windows 10 and Windows 11. This crash typically occurs during initialization and is often tied to outdated runtime libraries, corrupted game caches, or conflicts between the legacy game code and recent Steam client updates. Steam will restart and apply an update; try
Find and change it to Steam Beta Update . corrupted game caches