changing login user name

I'm using Win 7,
I have only one user name registered in the computer
my login user name was changed to wrong name by external software,
I can not find the way to enter as my original user?
how can I change the name of the user name when logging in?


Extraordinary Member
Premium Supporter
You could try to restore your system to an earlier point. Choose a point before installation of the troublemaker.

How to System Restore From BIOS |

This website is not affiliated, owned, or endorsed by Microsoft Corporation. It is a member of the Microsoft Partner Program.