Auto shut down during startup update?

Yesterday I tued on my new laptop. The windows 10 said it needs some update before starting into the OS.

Suddenly it was shut down by itself during updating. Pressing the power button resumes the update procedure and nothing abnormal happens afterwards.

Is it normal for Windows to shut itself during a startup update? Or should I worry about my own computer? Or does that sound like hitting the power button accidentally? Thanks!

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