Windows 10: verify identity page stuck and session timed out - help

Spouse just got a new computer, trying to set it up, and the verify your identity page to get the security code is stuck saying session has timed out and to restart the process. Cannot change screen or log in to windows, can't leave verify page at all - how do we restart the process to continue with setup?

:)

 

“We need to verify your identity”,

I have received this code about a 100 times, either to my phone or my e-mail. It lasts about an hour or two, then I get the “We need to verify your identity” pop-up again.

Two-step sign in is not activated.

I also noticed that on the "My devices" page, my desktop PC is shown with detailed info, like motherboard type, Windows 10 Core (10.0.10586.63), etc.

But my other computer, the laptop, is just listed as "PC". No other information is available, not Windows version, no hardware details, nothing. That laptop is the only one that gets this annoying “We need to verify your identity” despite me having entered
the code over a hundred times in any available way.

I am quite certain that the fact that not detailed PC or Windows information is closely related to the “We need to verify your identity” problem.

 

Verifying identity on new laptop

I cannot verify the identity on my new laptop. it seems stuck on that page, with the identity codes i have tried not being accepted. When i went on my old laptop and requested a new password they sent me a code to verify a change of password and that worked
fine on my old laptop. I have tried the old code and the new code on my new laptop but neither have been accepted.

 

Installing Windows asked to verify identity fails

Yes, but I am stuck in verify identity. How do I escape from that?