Computer keeps freezing and I cant shut down or restart without holding down the power button manually

[Microsoft Windows]

This has been happening since Monday, where in the middle of me doing anything on my pc, the screen freezes, and I cant do anything to restart or shut down without pressing the power button. Its happened 4 times, with the fourth instance happening last night. What's confusing is that there doesnt seem to be a pattern to these occurrences that would lead to a specific cause and seemingly happens at random times.The first occurrence occurred while I was playing Trainz Railroad Simulator, with a gargled noise proceeding it. After I had powered off the pc and turned it on, I got a blue screen erro

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