To cancel Windows 10 auto shutdown (as shown in the following picture), you can apply the three methods illustrated in this text.
Way 1: Cancel auto shutdown via Run.
Press Windows+R to display Run, type shutdown –a in the empty box and tap OK.

Way 2: Undo auto shutdown via Command Prompt.
Open Command Prompt, enter shutdown –a and press Enter.

Way 3: Cancel auto shutdown via Windows PowerShell.
Access Windows PowerShell through searching, type shutdown –a and hit Enter.

