All admin accounts deactivated; how $^

Based on reports that Windows 10 may disable the Administrator account during updates, I decided it was time to stop using Administrator as my only admin account. So I logged onto Administrator and created a new account with the intent of making it an admin account. I then deactivated Administrator assuming that would take effect at logoff time. I then switched to the new account to let it create the environment but I had not yet made it an administrator account. You guessed it, when I clicked to switch back to Administrator to make the new account an admin, it would not do the switch despite still showing as logged on.

And apparently I may not even be able to restore an earlier backup because the backup program (O&O Diskimage) won't run without admin authority which is no longer possible.

I'm leaving the administrator account still logged on just in case someone knows some trick I can use while it is.

But am looking for any way out of this.

And if anyone who answers happens to be responsible for Windows not warning someone about deactivating the ONLY admin account, do not mention that fact or I will hunt you down like the dog you are.

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