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Why do a bunch of green SETI@home icons sometimes accumulate in my system tray?
In newer versions of Windows, if the screensaver is killed via CTL-ALT-DEL or some other "hard" closing mechanism (typically a crash of some kind), the SAH process still tries to access the graphical application, and unfortunately plants an icon in the system tray _before_ it realizes the app's dead, then keeps repeating the attempt ad nauseum. Moving your mouse over the system tray will make the icons disappear. No performance problems or otherwise. Again, it should only happen if the screensaver app gets killed in an unnatural way