I came here because topic is serious about my windows system, here is last day somehow I abled to reset my windows password by doing.. This Windows Commands
Using bootable Windows OS Open Commands Prompts
C:\windows\System32>copy utilman.exe utilman.exe
C:\windows\System32>copy cmd.exe cmd1.exe
C:\windows\System32>del utilman.exe
C:\windows\System32>rename cmd.exe utilman.exe
after system came to Real Mode
C:\windows\System32>control userpasswords
its open a window where you able to reset your password.. okay this steps done my job nicely.. but what about my security when I away from system, in time how can I protect my systems?.