It seems that on occasion, the latest upgrade for Windows 10 is causing serious problems, like losing all your files!
This has happened to my husband, but not to me. I don’t know why it’s only happening to some computers and not others.
It seems that Microsoft know about this, and I hope they are working on a solution, other than their suggestion you install 365, which is a subscription program, costing you £7 a month, forever! And they can put it up at any time they want, of course.
You can find out more by searching Windows 10 update causing crash, or similar.
I hope this has not happened to you. You can, of course, disable automatic updates. You can find out how to do this easily from the net.
I’m not a computer expert, and so I cannot tell you any more than I have already here. Just beware, that’s all.