Final answer:
The error message indicates a problem with the Operating System (option B).
Step-by-step explanation:
The error message indicates a problem with the Operating System (option B). When a system reboots without shutting down properly, it suggests that there may be an issue with the software that manages the computer's resources. The operating system controls the hardware and software components of a computer and is responsible for managing tasks, memory, and other resources. In this case, the error message points to the operating system as the source of the problem.