In xp, "Control Panel"-) "User Account"-) "Change User Login and logout method" shows a recently installed program disabled welcome interface and quick User Switching

In xp, "Control Panel"-) "User Account"-) "Change User Login and logout method" shows a recently installed program disabled welcome interface and quick User Switching

In xp, choose "Control Panel"> "User Account"> "Change User Login and logout method"

A prompt box is displayed, indicating that the recently installed program has been disabled. The welcome page and quick User Switch are displayed. You must uninstall the program to restore these features. The following file names help you identify the changes made by the Program: xxx. dll

The database file, called by winlogon.exe, provides a function to identify and verify the user identity, and sends the user's account and password to winlogon.exe. During the login process, the "Welcome screen" and "Login Dialog Box" are displayed by GINA.

In fact, Windows does not have this key value by default, and as long as this key value exists, the welcome logon interface and the user's quick switch function will be blocked, even if the value is Windows's own msgina. dll.