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slui.exe

Windows ProcessMicrosoft Corporation

Catalog search terms slui, software licensing ui, activation ui

WindowsSystem Component

Windows Activation UI (Software Licensing UI). Na the dialog wey you dey click. E no be sppsvc.exe, Software Protection service.

Wetin you need know

slui na the activation dialog, no be sppsvc.exe (the licensing service).

slui.exe dey draw Activate Windows and related licensing UI. sppsvc.exe na Software Protection Platform, the service wey dey actually check tokens. To close the dialog no dey stop sppsvc. To end sppsvc no dey uninstall slui.

E safe?
Check the running file path, signature, and publisher. Name alone no fit confirm say e safe.
Same as sppsvc?
No. sppsvc na the licensing service
I fit end am?
The activation dialog dey close
Feex tok say
If watermark dialog dey screen, I dey expect slui. I no dey end sppsvc to close dat window, and I no dey run "activator" wey dey replace any of the two files.

Wetin be slui.exe?

slui na the activation dialog, no be sppsvc.exe (the licensing service). Software Licensing UI na dis file. Software Protection na sppsvc.exe. Settings fit open slui for Activate Windows.

Wetin e dey do?

E dey show product-key and activation pages and dey hand work give SPP. E no dey host the SPP service and e no dey install updates (TiWorker).

Wetin make am dey run?

Windows or app open the activation UI, or you run slui. Watermark without dis window still get sppsvc involved for background.

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 'slui.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

System32 slui.exe na Microsoft. slui.exe inside activator zip no be am. Dis one still no be sppsvc.exe.

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

C:\Windows\System32\slui.exe

  • Software Licensing UI
  • Service sibling: System32\sppsvc.exe
  • Expected publisher: Microsoft Corporation

I fit end am?

E dey close di dialog

If you end slui.exe, e dey close Activate Windows. sppsvc.exe fit continue to revalidate. To end the service make watermark hide na different move wey dem no support.

I fit comot am?

No

No delete slui.exe. Activate from Settings if you wan the UI. No replace sppsvc.exe. No delete System32.

E suppose start with Windows?

Activation UI fit pop up after sign-in. The service schedule na sppsvc, no be Startup Apps row wey dem name slui by default.

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

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

Common wahala dem

People dey kill sppsvc make slui commot

The dialog na dis exe. If you kill Software Protection, e fit break licensing checks. Close slui, leave the service unless you dey repair SPP.

Activator dey drop fake slui.exe

Path and signature dey decide. Real UI na System32. The service still remain sppsvc.

How to troubleshoot

Diagnose before you change anything wey fit scatter things.

Settings > System > Activation, abi run slui from System32

Na dis UI be dat. services.msc > Software Protection na sppsvc, di sibling service.

No run activator wey dey claim say e dey replace slui abi sppsvc

Repair licensing with Microsoft activation help. Leave di two System32 files where dem dey.

Technical details

Technical details
slui.exe technical details
Image name slui.exe
Role Software Licensing / activation UI

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.

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