Windows XP has a simple way to make the password invalid.

MS claims that the XP system with good confidentiality and security is so fragile...
"Windows expert Brian Livingston reports inserting Windows in XP system The 2000 CD will ignore all privacy features and manage any part of the machine. " Anyone with a Windows 2000 CD can start Windows XP and start the Windows 2000 Recovery Console. "Livingston said. Even without a password, an intruder has administrator privileges and can log in as another user on the machine.
" I notified Microsoft officials about this vulnerability a few weeks ago, but did not receive any official reply. "Livingston said: " There is no relevant Knowledge Base article, and there may not be a good solution to this problem.