Going into round two with our previous punching bag, Clippy the Office assistant was doubly bad because disabling it required jumping through a few unnecessary hoops. In Office 2k/XP, killing Clippy required at least four mouse clicks, and in Office 97, it was nearly impossible to disable the eager assistant. Many people found it easiest to bypass the user interface entirely and just rename the appropriate folder on the hard drive (it was "Actors" for those of you having a nostalgic flashback).
If your users are having trouble finding their way around your plugin, then you should consider some other ways of implementing the user interface. You could switch the brake pedal with the accelerator pedal and your car would still work, but anyone who drove it would be more likely to have an accident. It takes time and intuition to figure this out, but try to put options and menus where the user expects to see them. This is one of the last chances you have to adjust your...