RIVET logoRIVET

Home / Process library / winlogon.exe

What is winlogon.exe?

winlogon.exe is Windows Logon. Creates the sign-in and lock screens, handles Ctrl+Alt+Del and signs you out.

Namewinlogon.exe
Full nameWindows Logon
PublisherMicrosoft Windows
Normal locationC:\Windows\System32
Safe to end?Keep No. winlogon.exe is part of Windows and should keep running.
If you end itYour session ends immediately.

How to check it's the real winlogon.exe

  1. Open Task Manager (Ctrl+Shift+Esc) and go to Details.
  2. Right-click winlogon.exe and choose Open file location. It should open C:\Windows\System32.
  3. Right-click the file, choose Properties, then Digital Signatures. The signer should be Microsoft Windows.

A file called winlogon.exe somewhere else, or without that signature, is worth scanning with Microsoft Defender.

What RIVET shows

RIVET's process list shows winlogon.exe with this explanation, the verdict above, and a signature check, so you can see at a glance whether it is the genuine Windows file. Ending a process can't be undone, and RIVET warns you before it ends anything Windows needs.

Get RIVET freeAll processes and services

Questions

Is winlogon.exe a virus?

The genuine winlogon.exe is part of Windows, signed by Microsoft Windows, and runs from C:\Windows\System32. Malware sometimes copies the name, so check the location and signature as shown above.

Can I end winlogon.exe?

No. winlogon.exe is part of Windows and should keep running. Your session ends immediately.

Source: https://learn.microsoft.com/en-us/windows/win32/secauthn/winlogon

Last updated 29 October 2026