I'm having the same problem but I definitely don't have the imovieAPP in my preferences here:
file://localhost/Library/Preferences/com.apple.AccountsConfigServer.plist
file://localhost/Library/Preferences/com.apple.airport.opproam.plist
file://localhost/Library/Preferences/com.apple.AirPortBaseStationAgent.launchd
file://localhost/Library/Preferences/com.apple.alf.plist
file://localhost/Library/Preferences/com.apple.alf.plist.lockfile
file://localhost/Library/Preferences/com.apple.AppleFileServer.plist
file://localhost/Library/Preferences/com.apple.AppleFileServer.plist.lockfile
file://localhost/Library/Preferences/com.apple.applepushserviced.plist
file://localhost/Library/Preferences/com.apple.applepushserviced.plist.lockfile
file://localhost/Library/Preferences/com.apple.BezelServices.plist
file://localhost/Library/Preferences/com.apple.BezelServices.plist.lockfile
file://localhost/Library/Preferences/com.apple.Bluetooth.plist
file://localhost/Library/Preferences/com.apple.Bluetooth.plist.lockfile
file://localhost/Library/Preferences/com.apple.ByteRangeLocking.plist
file://localhost/Library/Preferences/com.apple.captive.plist
file://localhost/Library/Preferences/com.apple.CoreRAIDServer.cfdb
file://localhost/Library/Preferences/com.apple.dockfixup.plist
file://localhost/Library/Preferences/com.apple.headerdoc.exampletocteplate.html
file://localhost/Library/Preferences/com.apple.HIToolbox.plist
file://localhost/Library/Preferences/com.apple.HIToolbox.plist.lockfile
file://localhost/Library/Preferences/com.apple.loginwindow.plist
file://localhost/Library/Preferences/com.apple.loginwindow.plist.lockfile
file://localhost/Library/Preferences/com.apple.P2PSupervisor.plist
file://localhost/Library/Preferences/com.apple.pcast_integration.plist
file://localhost/Library/Preferences/com.apple.security.plist
file://localhost/Library/Preferences/com.apple.security.systemidentities.plist
file://localhost/Library/Preferences/com.apple.servermgrd.plist
file://localhost/Library/Preferences/com.apple.SoftwareUpdate.plist
file://localhost/Library/Preferences/com.apple.SoftwareUpdate.plist.lockfile
file://localhost/Library/Preferences/com.apple.TimeMachine.plist
file://localhost/Library/Preferences/com.apple.TimeMachine.plist.lockfile
Is there something else I should be deleting? Thanks