Ok, so, possibly unrelated, but I might post in this thread again in case it is...
My PC shuts itself down and reboots, but hangs on some MBR error, which I ended up eventually finding that I don't...

More specifically, it had rebooted immediately when I hibernated, rather than pausing a minute or anything.
After a full shutdown and hibernating from a fresh boot, the PC was off all night, however...

Still no dice. I will smash this thing into fancy silicon bits. Nah just kidding; I can leave it running if needed.
I put it on hibernate after staying up past bedtime and it's booting again with...

Thank you thank you thank you, Brink.
That's off my checklist now! Next on my agenda is contacting Bitdefender to find out how to fully whitelist an app for firewall.
Toodles! See ya and I hope...

Ok I really remember why I wanted to avoid PC problems and get the highest end PC and had done a clean install. Maybe I should reinstall yet another time, but computers will always do this.

So,...

Nope. No dice. I've found my PC turned back on after hibernating these past few nights.

Wake Source: Unknown, but possibily due to timer - Windows will execute 'NT TASK\Microsoft\Windows\Media...

Ok. I've followed those instructions. Hopefully this solution can work.

Computers often seem to require much oil and labor. Maybe it's just me, but I swear there's more internal utilities, file...

My PC is still doing this.

I recall trying that in the past. I followed those instructions, now, and the wake source is "Unknown". Hopefully this computer nonsense can be resolved. Bought this thing so it wouldn't crash,...

My computer, after the Windows 10 update, keeps rebotting after I hibernate. I can't remember if it does this for a regular shutdown. I tend to push the power button to prevent it from booting...