Fix Duplicate Username at Login or Sign In Screen in Windows 10/11

Fix Duplicate Username at Login or Sign In Screen in Windows 10/11.

You may see two similar account names on your Login, Sign In screen or Lockscreen in Windows 10. This happens when you enable the automatic login feature but then end up changing the password or name of the computer. In this tutorial, we are going to fix the Duplicate username issue.

Issues addressed in this tutorial:
duplicate user account windows 10
duplicate user account windows 11

This tutorial contains several methods to fix the duplicate user names issue in sign-in screen after updating Windows 10. The duplicate user names in login screen issue is reported by many users and caused after updates are installed on Windows 10.

This tutorial will apply for computers, laptops, desktops, and tablets running the Windows 10 and Windows 11 operating systems (Home, Professional, Enterprise, Education) from all supported hardware manufactures, like Dell, HP, Acer, Asus, Toshiba, Lenovo, Huawei and Samsung.