wininit.exe

Windows ProcessMicrosoft Corporation

Catalog search terms wininit, windows start-up application, windows startup application

WindowsSystem Component

Windows Start-up Application. Inside session 0 e dey start Service Control Manager and LSASS.

Wetin you need know

Dis dey start services.exe and lsass.exe. E no be optional chrome.

wininit.exe dey run for session 0 and e dey launch Service Control Manager and LSASS. To end am dey bring di PC down. E no be Startup Apps checkbox.

E safe?: Check the running file path, signature, and publisher. Name alone no fit confirm say e safe.
I suppose end am?: No. Di machine go fail
User app?: No. Session 0 system start

Feex tok say

I dey treat wininit like wall wey carry house load. If na im name dey Task Manager, I dey check di path den I go leave am alone.

Wetin be wininit.exe?

wininit.exe na di Windows Start-up Application. Afta Session Manager don create session 0, wininit dey start services.exe and lsass.exe.

Wetin e dey do?

Na di parent of di service stack. E no dey draw di desktop and e no dey host your browser tabs.

Wetin make am dey run?

Boot create session 0. You dey see wininit because di kernel don finish di first user-mode hand-off. Dem no launch am from shortcut.

Inspect the running instance

Inside Windows PowerShell, this read-only query show matching process IDs, creation times and executable paths on this PC. (pcm)

Get-CimInstance -ClassName Win32_Process | Where-Object { $_.Name -eq 'wininit.exe' } | Select-Object ProcessId, ParentProcessId, CreationDate, Name, ExecutablePath | Format-List

No result or a path we no fit access is inconclusive. Protected processes fit restrict access, and process IDs fit be reused. Keep personal paths local. (pcm)

Use the file-identity guide to compare signatures and product metadata. A filename alone no fit establish safety. (pcm)

E dey safe?

Check dis running file

One signed copy for System32 na wetin dem expect. Second wininit.exe under user profile no be di session 0 starter.

Compare the recorded location with the actual file. A familiar folder alone no fit establish identity. (pcm)

C:\Windows\System32\wininit.exe

Expected publisher: Microsoft Corporation
Dey run inside session 0
Parent of services.exe and lsass.exe

I fit end am?

To end wininit.exe na wetin dem dey treat as critical system failure. Windows no go keep session wey you fit use.

I fit comot am?

No delete wininit.exe. Di machine no fit start di service stack without am.

E suppose start with Windows?

Di kernel and smss.exe dey start wininit. You no fit turn am off for Settings > Apps > Startup.

Measure resource use

Measure the current process rather than assume a universal baseline
CPU and memory	Compare several observations for the same PID and workload. This entry get no independently measured universal baseline. (pcm)
Disk and network	Attribute activity to the actual process and current task; a filename alone no fit establish expected destinations or transfer volume. (pcm)

File information

wininit.exe file information
Executable name	wininit.exe
Recorded installation path	C:\Windows\System32\wininit.exe
Publisher	Microsoft Corporation
Signature check	Inspect the actual file; this entry no dey certify its certificate identity. (pcm)

Common wahala dem

Dey confuse am with winlogon

wininit na session 0 startup. winlogon na your interactive sign-in. Di names no be di same thing.

Critical process died

If Windows report say wininit terminate, dat one na crash investigation, no be cleanup task.

How to troubleshoot

Diagnose before you change anything wey fit scatter things.

Check di parent chain

smss dey start wininit. wininit dey start services.exe. If dat chain dey missing, di boot no finish.

Leave am comot for process killers

Tools wey dey offer to end "Windows Start-up Application" no safe. Close di tool.

Technical details

wininit.exe technical details
Image name	wininit.exe
Session	Session 0

Check the identity of running file

A filename alone no fit establish safety. Verify the actual path, signature and product identity. (pcm)

Sources and verification

Recorded source label: August 2026. Dis label no establish independent verification. How we dey do research.

Microsoft Learn: Windows initialization · Session startup context
Microsoft Learn: Windows · Primary Windows documentation
Foxhole process map · First-party samples on top Windows PCs. No be lab benchmark.
Microsoft Sysinternals: Sigcheck · Dey explain how to check file signatures. Dis reference no establish the identity or safety of any particular running file.
Microsoft: Get-CimInstance · Read-only local process-query method. (pcm)
Microsoft: Win32_Process properties · Documents process IDs, executable paths, creation dates and parent-ID reuse. (pcm)

Dis article make sense to you?

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