Winlogon.exe Windows Logon is an important Windows system process, and if you want to know further about winlogon.exe process in Windows 7, Vista and XP then you should read the details in below.
What is winlogon.exe?
The winlogon.exe process works to manage the user’s login and logout activity on system. The window which appears and asks for username and password to perform login and the window which prompts with the options to logout, restart, or shutdown are because of winlogon.exe process.
Where is Winlogon.exe location?
Winlogon.exe location is “%SystemRoot%\System32\” or in simple words “C:\Windows\System32\”
Is winlogon.exe a virus?
The winlogon.exe is not a virus but any virus may attack on this file or can use the same file name as winlogon.exe to reside on system on another path, so this is recommended to do system scan to eliminate viruses and trojans.
If you found more than one winlogon.exe is running in the task manager then one of winlogon.exe is virus. You must check the process location and if its different from the above specified one than you should kill the process and remove that file from its location as well.