What is winlogon.exe process - Windows NT Logon Application?

Process winlogon.exe is part of the Windows operating system to handle user login and logout functions.

winlogon.exe process and program file info:

CPU usage: 00%
Memory usage: 5,168K
Launching method: Windows Service
Directory: C:\windows\system32
File name: winlogon.exe
Description: Windows NT Logon Application
Size: 483,328 bytes
Date: Wednesday, May 26, 2004, 8:38:46 PM
Version: 5.1.2600.1557
Company name: Microsoft
System essential: Yes
Virus/Spyware/Adware: No

Version 5.1.2600.2180 of winlogon.exe process and program file info:

CPU usage: 00 %
Memory usage: 4,920 K
Launching method: Windows Service
Directory: C:\WINDOWS\system32
File name: winlogon.exe
Description: Windows NT Logon Application
Size: 502,272 bytes
Date: Wednesday, August 04, 2004, 5:00:00 AM
Version: 5.1.2600.2180
Company name: Microsoft  
System essential: Yes
Virus/Spyware/Adware: No