Sometimes, when those balloons come up from the bottom right corner they are UNDER the taskbar. This isn't much of a problem because they extend far enough above the taskbar to be able to see what they say. I can't see them at all if I have any program running because they are under it. Also, when you point to something in the tray those little boxes come up with more information about the program, those also come up under the taskbar. It's very annoying, because for example µtorrent shows its download/upoad speed in those little boxes and I'm too lazy to open it. This starts happening randomly and is fixed with a reboot, but it starts again eventually. I've tried changing the theme from XP to classic but that made no difference.