MainMenu may show phantom window in Expose

The utility "MainMenu" may cause Expose to display a blue background behind a phantom window.

The system maintenance and troubleshooting utility "MainMenu" may cause a problem with Expose in Snow Leopard where a phantom window will appear when Expose is invoked. When highlighted, this will look like a large blue square next to any other window you may have open that's showing in the Expose view.

A large blue window may appear next to others in Expose for MainMenu users

This does not appear to cause any other problematic behavior, but if you are seeing this blue window in Expose then try quitting MainMenu to see if it goes away. It's entirely possible another utility or application could cause this problem as well, so if you do not have MainMenu installed, try removing or disabling other system add-ons and menubar additions to see if that helps.



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    Topher, an avid Mac user for the past 15 years, has been a contributing author to MacFixIt since the spring of 2008. One of his passions is troubleshooting Mac problems and making the best use of Macs and Apple hardware at home and in the workplace.

     

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