Windows 10: what does it mean when it says "an illegal state change was requested?

I go to sign into my Microsoft account and it says an illegal state change was requested, can you guys help on finding out what this means?

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Illegal state change request???

When I tried to sign in I was told, We are unable to sign you in. An illegal state change was requested? What does that mean? I did not ask for any change!

 

I can't sign in to the xbox app on PC - "An illegal state change was requested"

Every time I try to sign in to my microsoft account on the xbox app it says "We couldn't sign you in to Xbox Live. An illegal state change was requested"

Then I tried signing in to the xbox app on my phone and it worked. I already followed the steps on the "Fix problems signing in to the Xbox app" support page, and none of them worked. I don't remember requesting a state change, I don't even know what that means.

I would really appreciate if someone could help me, I've been trying to fix this issue for weeks.

 

Illegal State was requested

I basically have the same question as here. I have reset the password. Added information to my Microsoft account. I receive the "Illegal State was requested" when verifying my account in "your info".

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I'll also point out there are a number of people asking this. This issue is preventing me from changing the email on my computer to the more current one.