"The Sequencer could not stop the "TrustedInstaller" service. Error 1052: The requested control is not valid for this service."
The trustedinstaller service is listed in the services applet as Windows Modules Installer. It is recommended that this service be disabled on machines intended for sequencing.
You will be entertained to know that stopping the TrustedInstaller process will also BREAK certain installations such as Crystal Reports for DotNet 2008. The words rocks and hard place come to mind.
Keywords: trusted