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10.6: Fix an issue where Exposť fails to switch Spaces System 10.6
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" Exposť). On my Mac, however, I had a problem with this feature and Spaces. If I selected an application window in "application-mode" Exposť 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 Exposť works properly for windows in other Spaces -- when I choose one now, I'm taken to that Space, as expected.
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10.6: Fix an issue where Exposť fails to switch Spaces | 5 comments | Create New Account
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10.6: Fix an issue where Exposť fails to switch Spaces
Authored by: asmeurer on Sep 10, '09 08:03:35AM

Are you sure you didn't just have the "When switching to an application, switch to a space with open windows for the application" box unchecked in the Spaces preferences? That would be a lot easier than deleting all of your space assignments in the dock preferences.



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10.6: Fix an issue where Exposť fails to switch Spaces
Authored by: atoxx on Sep 10, '09 10:27:54AM

Sorry but this didn' t work at all,
when i go to expose and show all windows and choose iTunes which is assigned to Space 3 and i am on Space 1, iTunes shows up in Space 1 and stay there, any solution for this behaviour?



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10.6: Fix an issue where Exposť fails to switch Spaces
Authored by: fube on Sep 16, '09 05:32:03AM

Yes, it was not working for me whether or not I had checked the "when switching to an application..." box. And I tried restarting after toggling that option either way. I think the problem is just a preference hang over from 10.5.



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10.6: Fix an issue where Exposť fails to switch Spaces
Authored by: cerniuk on Sep 24, '09 05:09:03PM
I would take this a step further (and did)

I have the Dock crashing on me on a frequent basis. This takes out the command tab switching, the expose corners on my screen, the dock and sometimes the background image.

So I took the GUI-way and went to the Activity Monitor and force quit the "Dock" process and voila! Everything working again... but wait there is more...

In 10.6 they seemed to have changed the old exposť pref's files which I suspect are corrupt. Prior to killing the dock, I opened the System Preferences panel for Expose and it took several minutes to open. The controls were all grayed out. Digging around I found that if I changed the number of rows or columns in Spaces, the file ~/Library/Preferences/com.apple.dock.plist changed ;-)

So for safety sake (and because I have much more of a problem with corruption of plist files than I ever did with resource forks), I deleted the com.apple.dock.plist file and then force quit the Dock process again. This recreated a theoretically clean com.apple.dock.plist. While I lost all of my custom dock settings, it was worth it because this silly thing needed a good killing!

At least resource forks have checksums to tell you if the the silly thing is corrupted!

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10.6: Fix an issue where Exposť fails to switch Spaces
Authored by: rudedog on Oct 09, '09 02:35:37PM

You don't have to trash your dock preferences. The following command will fix the problem:

defaults write com.apple.dock workspaces-auto-swoosh -bool yes



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