It is POSSIBLE to remove the admin account and break the OS in so many ways that you eventually have to refresh and then if that fails, reset Windows.
Now a Microsoft Engineer may have magic but for now the cure is to just use refresh and then reset.
Here's an article on that.
https://www.howtogeek.com/132428/everything-you-need-to-know-about-refreshing-and-resetting-your-windows-8-pc/
Hi guys, can anybody help me? I'll be very thankful
https://answers.microsoft.com/en-us/windows/forum/windows_10-other_settings/accidentally-deleted-administrator-account-need/4319f46a-5089-4216-b91f-53b7f1cbb248?tm=1492937121435

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