Ultimate Boot CD
http://www.ultimatebootcd.com/
Download
http://wired.s6n.com/files/ubcd/download.html
下載後燒成開機光碟
開機後，選單裡面有...
NTFS Tools
Offline NT Password & Registry Editor
用這個就能改掉 Windows NT, 2000, XP, Server 帳號的登入密碼!