Command prompt password showing and correct

The lock screen on my PC is showing your pin is no longer available due to a change to the security settings on this device click to set up your pin again and when I am clicking on set up your pin I am again redirected to the lock screen and nothing happens and when I tried using advance option to troubleshoot the problem the command prompt was asking for a password for which I entered passwords this word showing in correct and I had enter all password that I could recall so what to do now please help me