Enables installation, modification, and removal of Windows updates and optional components. If this service is disabled, install or uninstall of Windows updates might fail for your computer.
This service also exists in Windows 10, 11, 7 and Vista.
Windows 8 edition | Windows 8 | Windows 8.1 | Windows 8.1 Update 1 |
---|---|---|---|
Core | Manual | Manual | Manual |
Pro | Manual | Manual | Manual |
Enterprise | Manual | Manual | Manual |
Display name: | Windows Modules Installer |
Service name: | TrustedInstaller |
Type: | own |
Path: | %WinDir%\servicing\TrustedInstaller.exe |
Error control: | normal |
Group: | ProfSvc_Group |
Object: | localSystem |
The Windows Modules Installer service runs as localSystem in its own process of TrustedInstaller.exe. It does not share its process with other services. If Windows Modules Installer fails to start, the error is logged. Windows 8 startup proceeds, but a message box is displayed informing you that the TrustedInstaller service has failed to start.
1. Select your Windows 8 release and edition, and then click on the Download button below.
2. Save the RestoreWindowsModulesInstallerWindows8.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.
Note. Make sure that the TrustedInstaller.exe
file exists in the %WinDir%\servicing
folder. If this file is missing you can try to restore it from your Windows 8 installation media.