How on Earth....!?
Two days ago my teenage son announced that he had "accidentally" upgraded to W10 on his computer.
Now he did not even have Administrator privileges on his account! So how can that be?
My administrator account was gone. My antivirus software of preference was gone. The Microsoft Family Safety internet monitoring of his account was gone. Had he not been (slightly grudgingly) prepared to let me onto his account to re-establish my own account it would have been a total lockout.
I am at a loss to know how MS can let their upgrades play fast and loose with the system security in this way.