You're off topic for this forum, which is dedicated to Windows Live OneCare.
Help and Support for Windows Live Hotmail can be found at http://windowslivehelp.com/Default.aspx
No, there's no way to trace who's doing this. I get this all the time on 2 LiveIDs that I have. In my case, I'm sure that it is people who don't know their own email address or have typed my LiveID in accidentally, being close to the LiveID they intended to sign in with. I once contacted LiveID support on it and was told to simply ignore the password reset emails and to be sure that I had a strong password, the alternate email setup, and secret questions configured in case I needed to recover my account.
There is also a possibility that someone is trying to get into your account. In that case, the above items are critical in preventing that theft. If they lock you out of your account because they use the wrong password too many times repeatedly:
It should unlock within 24 to 48 hours, but if you have can't reset it through the usual means, see this page for information on how to get help with it:
https://windowslivehelp.com/solutions/accounts/archive/2008/10/25/i-forgot-my-password.aspx
And see this if you believe the account was stolen: https://windowslivehelp.com/solutions/accounts/archive/2008/10/25/what-to-do-if-you-think-your-accounts-been-stolen.aspx
-steve
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