10.6: Fix an issue where Exposé fails to switch Spaces

Sep 10, '09 07:30:02AM

Contributed by: fube

Snow Leopard has a new feature where holding your mouse down on an application icon in the Dock then shows all windows for that application ("application-mode" Exposé). On my Mac, however, I had a problem with this feature and Spaces. If I selected an application window in "application-mode" Exposé for a window located in another Space, Snow Leopard did not move me to that Space, nor did it move the window to my current Space.

I talked with some other users, and none were experiencing this problem, so it seemed particular to my Mac. After changing Spaces' preferences had no effect on the problem, I decided to trash the Dock's preferences file (com.apple.dock.plist in your user's Library » Preferences folder). I then restarted the Dock by typing killall Dock in Terminal (or you could use Activity Monitor).

After doing this, application-mode Exposé works properly for windows in other Spaces -- when I choose one now, I'm taken to that Space, as expected.

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