Windows 10: Someone has signed in my account as the owner and I can't delete them

Someone has signed in my account as the owner and I can't delete them. Everything comes up with the wrong email address. How do I correct this? I can't even submit a question because the wrong email address comes up.

:)

 

Can anyone tell me how to delete these accounts from GMail ?

I found links that look like what I have on my gmail account with the other gmail accounts added. There are pictures and explanations.

How to Sign Out of Gmail: Step-By-Step Guide >> App Authority

How to unlink an account you can't sign into - Gmail Community

How to remove the Gmail account name from a listing - Quora

 

[Solved] Delete "Ghost" Account?

It wont show a users folder until its been logged in

Note: When you want to delete a user account from your computer:

You must be signed in as an administrator to be able to delete a user account.

You will not be able to delete a user account that is currently signed in. You will need to sign out the user first.

Be sure to always have at least one enabled administrator account on the PC to avoid not being able to perform actions that require administrator rights.

Step 1: Steps to Remove a User Account in Settings

Press Windows key, click on Settings.

Click on Account, click on Family and other users.

Select the user you want to delete under Other users and click on Remove.

Accept the UAC (User Account Control) prompt.

Select Delete account and data if you wish to delete account and the data and follow onscreen instructions.

OR

Step 2: Steps to Delete a User Account in Command Prompt

Press Windows + X keys from the keyboard, select Command Prompt (Admin).

Type net user and hit Enter to list the user accounts on your device.

Type net user "User account " /delete and hit Enter to delete the user account.

 

Cannot sign in microsoft account.

My device: Lumia 520. GDR2.
I cannot sign in my Microsoft account on my device. It didnt say any error but Microsoft account is not listed in Email and account list. When I click add button, it will show microsoft account option but after press sign in, it is still not shown in email
and account. Another problem is i cannot delete facebook account. Error code: 0x83cf1202. I have tried as suggested here: http://support.microsoft.com/kb/2475837/en-us#step0x83cf1202 but as my Microsoft account is not shown, I cannot do step 6.

Any suggestion?