Windows XP:- Enter The Username & Password To Logon

1). Type Control UserPasswords2 in start menu search box or run and press enter.

2). Check Users must enter a user name and password to use this computer.

3). Click OK.

4). Restart your PC.

Now users must have to enter the username & password to logon to your computer.

 ------------: Windows XP:- Enter The Username & Password To Logon :--------------

Reference:- http://www.door2windows.com