Windows Image Acquisition (WIA) - Windows 7 Service
Provides image acquisition services for scanners and cameras.
This service also exists in Windows 10, 11, 8, Vista and XP.
Startup Type
| Windows 7 edition | without SP | SP1 |
|---|---|---|
| Starter | Manual | Manual |
| Home Basic | Manual | Manual |
| Home Premium | Manual | Manual |
| Professional | Manual | Manual |
| Ultimate | Manual | Manual |
| Enterprise | Manual | Manual |
Default Properties
| Display name: | Windows Image Acquisition (WIA) |
| Service name: | StiSvc |
| Type: | own |
| Path: | %WinDir%\system32\svchost.exe -k imgsvc |
| File: | %WinDir%\System32\wiaservc.dll |
| Error control: | normal |
| Object: | NT Authority\LocalService |
| Privileges: |
|
Default Behavior
The Windows Image Acquisition (WIA) service runs as NT Authority\LocalService in its own process. It does not share the executable file with other services. If the Windows Image Acquisition (WIA) fails to load or initialize, the error is recorded into the Event Log. Windows 7 startup should proceed, but a message box is displayed informing you that the StiSvc service has failed to start.
Dependencies
Windows Image Acquisition (WIA) will not start, if the following services are stopped or disabled:
Restore Default Startup Type of Windows Image Acquisition (WIA)
Automated Restore
1. Select your Windows 7 edition and Service Pack, and then click on the Download button below.
2. Save the RestoreWindowsImageAcquisitionWIAWindows7.bat file to any folder on your hard drive.
3. Right-click the downloaded batch file and select Run as administrator.
4. Restart the computer to save changes.
Note. Make sure that the wiaservc.dll file exists in the %WinDir%\System32 folder. If this file is missing you can try to restore it from your Windows 7 installation media.