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I was at this school event where my laptop was plugged in near a lot of foot traffic. Admittedly I was too lazy to get a new battery and it's partly my fault. So my plug got kicked a bunch of times. My laptop restarted and updated, then restarted a bunch more fucking times because people kept kicking the cable. Now Windows is broken, and even using a repair USB won't fix it.
Like seriously, why does Windows, and sometimes Android, decide now's the time to do an update after a hard restart?!?!?
Feck.
I think the point is that if a computer has lost power it is likely enough to lose power again that it shouldn't go into an update cycle where losing power has a risk of corrupting files. Like windows really shouldn't be like "oh, the computer was improperly shutdown? this is the perfect time to force an update through!" and should, at the very least, ask permission to do so through a "this computer wasn't shutdown correctly, is it safe to update?" screen.
Yeah, there should be a flag set on a normal shutdown that is required for updates.
Or just use Linux and update at your convenience.