Dell did it. From Brian Tilman's post of June 2007,
Open Control Panel's Add or Remove Programs applet.
Look for the Cyberlink Outlookaddinsetup application.
Uninstall it.
> My boss just replaced his computer and each time he makes a new appointment,
> it automatically becomes a reoccuring appointment and he has to remove the
> recurrence each time. We can't find why they become reoccuring in the first
> place.