Winlogon

Winlogon handles interface functions that are independent of authentication policy. It creates the desktops for the window station, implements time-out operations, and provides a set of support functions for the GINA.

For information about	See
Creating desktops and registering a secure attention sequence (SAS)	Initializing Winlogon
The different states in which Winlogon can run	Winlogon States
Time out operations	Supported Dialog Box Service Time-out Operations
Sending messages to the GINA while a dialog box is displayed	Sending Messages to the GINA
Support functions for the GINA	Winlogon Support Functions