Account being hacked.

The only thing you can do is change the password and account info and setup the security options.

Xbox won't give out the name or info of the person doing it if they know. Because it would make Xbox liable if a conflict were to occur because of the situation.

i don't know why microsoft tells people to write there issues in the forums i never had to write in the forum to solve a issue

Neither one of us are admins. I am an Xbox Ambassador. I just volunteer my time to try and help people out when I can. You can see an ambassador laurel (wreath) with the number 6 currently in it to the bottom right of my gamercard. Rafael is not showing
any indication of being a part of anything other than a random user who seems to also be trying to help. Although his comment about not sharing what he know because it might get him into trouble is a bit shady sounding. Your Pvt Privates account has not disappeared
or been altered as far as I can tell.
account.xbox.com/.../Profile

This is why I believe you may have either created a duplicate account or you are signing in with the wrong details.

I don't know why they sent you here, first we need to know the email on your account, actually, you need to know the email on the account, and I know you're probably saying "But mister anonymous poster on xbox.com, of course I know my email.", to which I
will respond, obviously something happened to where you now have another gamertag there, you need to go to your friends house, look sign in to your account on his console, go to "settings" from the dashboard, then go to "account", then go to "your information"
and select "account security" on the top right hand side it will say "Current Microsoft account" and under that it will say the email that is attached to the gamertag you want, if your email is the same, check your download history to check if all your purchases
are there, you may need to do a Lic transfer to see the games on the download history, if it is there then you may need to change the email and password on your account from
https://account.live.com you will need to change the email on the "aliases" page and the password from "security and password" while you are there take the time to "add phone" and "add email" so you have
stronger security. Let me know how it goes.

You definitely need to take some steps right now. Any of your Microsoft password’s, assume if they’re not already compromised they will be shortly. Change everything you can immediately and get a hold of Microsoft support teams to help you figure out what
to do next with your Xbox account. Especially if you had your credit/debit info linked to your account