My new gaming PC is restarting unexpectedly and I need help understanding the Debug / Minidump files.

[Microsoft Windows]

I've just purchased a new PC with Windows 11 Home and it is shutting down and restarting unexpectedly, the first failure was when moving files to an from a NAS and the most recent failure was while playing a game (Company of Heroes 3). There was also an earlier failure when installing software but there is no dump file from this critical event.The first failure reported the following bugcheck error:The computer has rebooted from a bugcheck. The bugcheck was: 0x0000018b (0x00000000005d001e, 0xffffffffc0000005, 0xfffff8006086030f, 0xffffffffffffffff). A dump was saved in: C:\Windows\Minidump\03

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