PC freezing and rebooting right after a game has been closed

[Microsoft Windows]

I'm facing an issue with my PC. A few seconds after I close a game, it freezes completely (even the mouse cursor) and needs to be rebooted. Sometimes it reboots automatically, other times it needs to be manually rebooted by holding the power button, and other times it may need to be completely shut off by pressing the on/off button of the power supply.The last time it happened, the Event Viewer said:Event 1001, BugCheckThe computer has rebooted from a bugcheck: 0x00000116 (0xffffa285c7f48010, 0xfffff80156310790, 0xffffffffc000009a, 0x0000000000000004). Report id: 50b2e

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