Taskbar Bugging Out - Doesn't Realize Mouse Leaves

When I mouse over something in my taskbar, it does it's usual mouse over thing, highlight the icon, maybe make the color of active items move with my mouse, the usual stuff.

But when I move my mouse away from the taskbar, it still behaves as if the mouse is over whatever icon. A log out and a log back in fixes it...temporarily.

Anyone know a more permanent solution?

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