How do I kill the Application Switcher? All of the sudden the Application Switcher's graphics breaks:



Restart does help, but became a nuisance. How can I kill it? Restart it?

UPDATE: Logging off fixed this.

UPDATE 2: I came to a conclusion that this is a result of a conflict in the display cached data.
It's provided by Dock.app. So you could try osascript -e 'quit app "Dock"' or killall "Dock".