Vista Package Manager – TRUSTEDINSTALLER.EXE

Trustedinstaller.exe is a Windows Vista file that enables installation, modification, and removal of Windows updates and optional components. If this service is disabled, you may not be able to install or uninstall Windows updates. This file installs as part of Windows Package Manager. You'll find more information at http://technet2.microsoft.com/WindowsVista/en/library/172c251e-5582-4c8e-aeff-a68ddb1679ac1033.mspx?mfr=true.

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